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authordes <des@FreeBSD.org>2001-06-10 23:24:14 +0000
committerdes <des@FreeBSD.org>2001-06-10 23:24:14 +0000
commit7183d49acf6d9c3725c3e96da424d7f470e671fb (patch)
treebb8366a13739907eafcd96e16836ef16e669d5ba /sys/compat/linprocfs
parent2a797ca9f1de2817083061efea0d7526d99129d6 (diff)
downloadFreeBSD-src-7183d49acf6d9c3725c3e96da424d7f470e671fb.zip
FreeBSD-src-7183d49acf6d9c3725c3e96da424d7f470e671fb.tar.gz
These aren't needed any more.
Diffstat (limited to 'sys/compat/linprocfs')
-rw-r--r--sys/compat/linprocfs/linprocfs.h146
-rw-r--r--sys/compat/linprocfs/linprocfs_misc.c668
-rw-r--r--sys/compat/linprocfs/linprocfs_subr.c316
-rw-r--r--sys/compat/linprocfs/linprocfs_vfsops.c179
-rw-r--r--sys/compat/linprocfs/linprocfs_vnops.c854
5 files changed, 0 insertions, 2163 deletions
diff --git a/sys/compat/linprocfs/linprocfs.h b/sys/compat/linprocfs/linprocfs.h
deleted file mode 100644
index 381ce21..0000000
--- a/sys/compat/linprocfs/linprocfs.h
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
- * Copyright (c) 2001 Jonathan Lemon <jlemon@freebsd.org>
- * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
- * Copyright (c) 1999 Pierre Beyssac
- * Copyright (c) 1993 Jan-Simon Pendry
- * Copyright (c) 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Jan-Simon Pendry.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)procfs.h 8.9 (Berkeley) 5/14/95
- *
- * $FreeBSD$
- */
-
-struct pfsnode;
-
-typedef int node_action_t __P((struct proc *curp, struct proc *p,
- struct pfsnode *pfs, struct uio *uio));
-
-struct node_data {
- char *nd_name;
- u_char nd_namlen;
- u_char nd_type;
- u_short nd_mode;
- int nd_flags;
- node_action_t *nd_action;
-};
-
-/*
- * flag bits for nd_flags.
- */
-#define PDEP 0x01 /* entry is process-dependent */
-
-/*
- * control data for the proc file system.
- */
-struct pfsnode {
- struct pfsnode *pfs_next; /* next on list */
- struct vnode *pfs_vnode; /* vnode associated with this pfsnode */
- struct node_data *pfs_nd; /* static initializer */
- pid_t pfs_pid; /* associated process */
- u_long pfs_flags; /* open flags */
- u_long pfs_fileno; /* unique file id */
- pid_t pfs_lockowner; /* pfs lock owner */
-};
-
-#define PROCFS_NAMELEN 8 /* max length of a filename component */
-
-/*
- * Kernel stuff follows
- */
-#ifdef _KERNEL
-#define KMEM_GROUP 2
-
-#define PROCFS_FILENO(nd, pid) \
- ((nd)->nd_flags & PDEP) ? \
- (((pid) + 1) << 4) | ((((u_long)(nd)) >> 3) & 0x0f) : \
- (u_long)((nd)->nd_action)
-
-/*
- * Convert between pfsnode vnode
- */
-#define VTOPFS(vp) ((struct pfsnode *)(vp)->v_data)
-#define PFSTOV(pfs) ((pfs)->pfs_vnode)
-
-typedef struct vfs_namemap vfs_namemap_t;
-struct vfs_namemap {
- const char *nm_name;
- int nm_val;
-};
-
-int vfs_getuserstr __P((struct uio *, char *, int *));
-vfs_namemap_t *vfs_findname __P((vfs_namemap_t *, char *, int));
-
-/* <machine/reg.h> */
-struct reg;
-struct fpreg;
-struct dbreg;
-
-#define PFIND(pid) (pfind(pid))
-
-void linprocfs_exit __P((struct proc *));
-int linprocfs_freevp __P((struct vnode *));
-int linprocfs_allocvp __P((struct mount *, struct vnode **, long,
- struct node_data *));
-
-node_action_t linprocfs_docmdline;
-node_action_t linprocfs_docpuinfo;
-node_action_t linprocfs_dodevices;
-node_action_t linprocfs_doexelink;
-node_action_t linprocfs_domeminfo;
-node_action_t linprocfs_donetdev;
-node_action_t linprocfs_doprocstat;
-node_action_t linprocfs_doprocstatus;
-node_action_t linprocfs_doselflink;
-node_action_t linprocfs_dostat;
-node_action_t linprocfs_douptime;
-node_action_t linprocfs_doversion;
-node_action_t linprocfs_doloadavg;
-
-extern node_action_t procfs_domem;
-extern node_action_t procfs_docmdline;
-
-extern struct node_data root_dir[];
-
-/* functions to check whether or not files should be displayed */
-int linprocfs_validfile __P((struct proc *));
-
-#define PROCFS_LOCKED 0x01
-#define PROCFS_WANT 0x02
-
-extern vop_t **linprocfs_vnodeop_p;
-
-int linprocfs_root __P((struct mount *, struct vnode **));
-int linprocfs_rw __P((struct vop_read_args *));
-#endif /* _KERNEL */
diff --git a/sys/compat/linprocfs/linprocfs_misc.c b/sys/compat/linprocfs/linprocfs_misc.c
deleted file mode 100644
index 04858f7..0000000
--- a/sys/compat/linprocfs/linprocfs_misc.c
+++ /dev/null
@@ -1,668 +0,0 @@
-/*
- * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
- * Copyright (c) 1999 Pierre Beyssac
- * Copyright (c) 1993 Jan-Simon Pendry
- * Copyright (c) 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Jan-Simon Pendry.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)procfs_status.c 8.4 (Berkeley) 6/15/94
- *
- * $FreeBSD$
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/blist.h>
-#include <sys/conf.h>
-#include <sys/dkstat.h>
-#include <sys/jail.h>
-#include <sys/kernel.h>
-#include <sys/lock.h>
-#include <sys/malloc.h>
-#include <sys/mutex.h>
-#include <sys/proc.h>
-#include <sys/resourcevar.h>
-#include <sys/sbuf.h>
-#include <sys/sysctl.h>
-#include <sys/tty.h>
-#include <sys/vnode.h>
-
-#include <vm/vm.h>
-#include <vm/pmap.h>
-#include <vm/vm_map.h>
-#include <vm/vm_param.h>
-#include <vm/vm_object.h>
-#include <vm/vm_zone.h>
-#include <vm/swap_pager.h>
-
-#include <sys/exec.h>
-#include <sys/user.h>
-#include <sys/vmmeter.h>
-
-#include <machine/clock.h>
-#include <machine/cputypes.h>
-#include <machine/md_var.h>
-
-#include <sys/socket.h>
-#include <net/if.h>
-
-#include <compat/linux/linux_mib.h>
-#include <compat/linprocfs/linprocfs.h>
-
-extern struct cdevsw *cdevsw[];
-
-/*
- * Various conversion macros
- */
-#define T2J(x) (((x) * 100UL) / (stathz ? stathz : hz)) /* ticks to jiffies */
-#define T2S(x) ((x) / (stathz ? stathz : hz)) /* ticks to seconds */
-#define B2K(x) ((x) >> 10) /* bytes to kbytes */
-#define B2P(x) ((x) >> PAGE_SHIFT) /* bytes to pages */
-#define P2B(x) ((x) << PAGE_SHIFT) /* pages to bytes */
-#define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* pages to kbytes */
-
-#define COMMON_START \
- struct sbuf sb; \
- char *ps; \
- int error, xlen
-
-#define COMMON_END \
- sbuf_finish(&sb); \
- ps = sbuf_data(&sb) + uio->uio_offset; \
- xlen = sbuf_len(&sb) - uio->uio_offset; \
- xlen = imin(xlen, uio->uio_resid); \
- error = (xlen <= 0 ? 0 : uiomove(ps, xlen, uio)); \
- sbuf_delete(&sb); \
- return (error)
-
-int
-linprocfs_domeminfo(curp, p, pfs, uio)
- struct proc *curp;
- struct proc *p;
- struct pfsnode *pfs;
- struct uio *uio;
-{
- COMMON_START;
- unsigned long memtotal; /* total memory in bytes */
- unsigned long memused; /* used memory in bytes */
- unsigned long memfree; /* free memory in bytes */
- unsigned long memshared; /* shared memory ??? */
- unsigned long buffers, cached; /* buffer / cache memory ??? */
- u_quad_t swaptotal; /* total swap space in bytes */
- u_quad_t swapused; /* used swap space in bytes */
- u_quad_t swapfree; /* free swap space in bytes */
- vm_object_t object;
-
- if (uio->uio_rw != UIO_READ)
- return (EOPNOTSUPP);
-
- memtotal = physmem * PAGE_SIZE;
- /*
- * The correct thing here would be:
- *
- memfree = cnt.v_free_count * PAGE_SIZE;
- memused = memtotal - memfree;
- *
- * but it might mislead linux binaries into thinking there
- * is very little memory left, so we cheat and tell them that
- * all memory that isn't wired down is free.
- */
- memused = cnt.v_wire_count * PAGE_SIZE;
- memfree = memtotal - memused;
- if (swapblist == NULL) {
- swaptotal = 0;
- swapfree = 0;
- } else {
- swaptotal = (u_quad_t)swapblist->bl_blocks * 1024; /* XXX why 1024? */
- swapfree = (u_quad_t)swapblist->bl_root->u.bmu_avail * PAGE_SIZE;
- }
- swapused = swaptotal - swapfree;
- memshared = 0;
- TAILQ_FOREACH(object, &vm_object_list, object_list)
- if (object->shadow_count > 1)
- memshared += object->resident_page_count;
- memshared *= PAGE_SIZE;
- /*
- * We'd love to be able to write:
- *
- buffers = bufspace;
- *
- * but bufspace is internal to vfs_bio.c and we don't feel
- * like unstaticizing it just for linprocfs's sake.
- */
- buffers = 0;
- cached = cnt.v_cache_count * PAGE_SIZE;
-
- sbuf_new(&sb, NULL, 512, 0);
- sbuf_printf(&sb,
- " total: used: free: shared: buffers: cached:\n"
- "Mem: %lu %lu %lu %lu %lu %lu\n"
- "Swap: %llu %llu %llu\n"
- "MemTotal: %9lu kB\n"
- "MemFree: %9lu kB\n"
- "MemShared:%9lu kB\n"
- "Buffers: %9lu kB\n"
- "Cached: %9lu kB\n"
- "SwapTotal:%9llu kB\n"
- "SwapFree: %9llu kB\n",
- memtotal, memused, memfree, memshared, buffers, cached,
- swaptotal, swapused, swapfree,
- B2K(memtotal), B2K(memfree),
- B2K(memshared), B2K(buffers), B2K(cached),
- B2K(swaptotal), B2K(swapfree));
-
- COMMON_END;
-}
-
-int
-linprocfs_docpuinfo(curp, p, pfs, uio)
- struct proc *curp;
- struct proc *p;
- struct pfsnode *pfs;
- struct uio *uio;
-{
- COMMON_START;
- int class, i, fqmhz, fqkhz;
-
- /*
- * We default the flags to include all non-conflicting flags,
- * and the Intel versions of conflicting flags.
- */
- static char *flags[] = {
- "fpu", "vme", "de", "pse", "tsc",
- "msr", "pae", "mce", "cx8", "apic",
- "sep", "sep", "mtrr", "pge", "mca",
- "cmov", "pat", "pse36", "pn", "b19",
- "b20", "b21", "mmxext", "mmx", "fxsr",
- "xmm", "b26", "b27", "b28", "b29",
- "3dnowext", "3dnow"
- };
-
- if (uio->uio_rw != UIO_READ)
- return (EOPNOTSUPP);
-
- switch (cpu_class) {
- case CPUCLASS_286:
- class = 2;
- break;
- case CPUCLASS_386:
- class = 3;
- break;
- case CPUCLASS_486:
- class = 4;
- break;
- case CPUCLASS_586:
- class = 5;
- break;
- case CPUCLASS_686:
- class = 6;
- break;
- default:
- class = 0;
- break;
- }
-
- sbuf_new(&sb, NULL, 512, 0);
- sbuf_printf(&sb,
- "processor\t: %d\n"
- "vendor_id\t: %.20s\n"
- "cpu family\t: %d\n"
- "model\t\t: %d\n"
- "stepping\t: %d\n",
- 0, cpu_vendor, class, cpu, cpu_id & 0xf);
-
- sbuf_cat(&sb,
- "flags\t\t:");
-
- if (!strcmp(cpu_vendor, "AuthenticAMD") && (class < 6)) {
- flags[16] = "fcmov";
- } else if (!strcmp(cpu_vendor, "CyrixInstead")) {
- flags[24] = "cxmmx";
- }
-
- for (i = 0; i < 32; i++)
- if (cpu_feature & (1 << i))
- sbuf_printf(&sb, " %s", flags[i]);
- sbuf_cat(&sb, "\n");
- if (class >= 5) {
- fqmhz = (tsc_freq + 4999) / 1000000;
- fqkhz = ((tsc_freq + 4999) / 10000) % 100;
- sbuf_printf(&sb,
- "cpu MHz\t\t: %d.%02d\n"
- "bogomips\t: %d.%02d\n",
- fqmhz, fqkhz, fqmhz, fqkhz);
- }
-
- COMMON_END;
-}
-
-int
-linprocfs_dostat(curp, p, pfs, uio)
- struct proc *curp;
- struct proc *p;
- struct pfsnode *pfs;
- struct uio *uio;
-{
- COMMON_START;
-
- sbuf_new(&sb, NULL, 512, 0);
- sbuf_printf(&sb,
- "cpu %ld %ld %ld %ld\n"
- "disk 0 0 0 0\n"
- "page %u %u\n"
- "swap %u %u\n"
- "intr %u\n"
- "ctxt %u\n"
- "btime %ld\n",
- T2J(cp_time[CP_USER]),
- T2J(cp_time[CP_NICE]),
- T2J(cp_time[CP_SYS] /*+ cp_time[CP_INTR]*/),
- T2J(cp_time[CP_IDLE]),
- cnt.v_vnodepgsin,
- cnt.v_vnodepgsout,
- cnt.v_swappgsin,
- cnt.v_swappgsout,
- cnt.v_intr,
- cnt.v_swtch,
- boottime.tv_sec);
-
- COMMON_END;
-}
-
-int
-linprocfs_douptime(curp, p, pfs, uio)
- struct proc *curp;
- struct proc *p;
- struct pfsnode *pfs;
- struct uio *uio;
-{
- COMMON_START;
- struct timeval tv;
-
- getmicrouptime(&tv);
- sbuf_new(&sb, NULL, 64, 0);
- sbuf_printf(&sb, "%ld.%02ld %ld.%02ld\n",
- tv.tv_sec, tv.tv_usec / 10000,
- T2S(cp_time[CP_IDLE]), T2J(cp_time[CP_IDLE]) % 100);
-
- COMMON_END;
-}
-
-int
-linprocfs_doversion(curp, p, pfs, uio)
- struct proc *curp;
- struct proc *p;
- struct pfsnode *pfs;
- struct uio *uio;
-{
- COMMON_START;
-
- sbuf_new(&sb, NULL, 128, 0);
- sbuf_printf(&sb,
- "%s version %s (des@freebsd.org) (gcc version " __VERSION__ ")"
- " #4 Sun Dec 18 04:30:00 CET 1977\n",
- linux_get_osname(curp),
- linux_get_osrelease(curp));
-
- COMMON_END;
-}
-
-int
-linprocfs_doloadavg(curp, p, pfs, uio)
- struct proc *curp;
- struct proc *p;
- struct pfsnode *pfs;
- struct uio *uio;
-{
- COMMON_START;
- int lastpid, ilen;
-
- ilen = sizeof(lastpid);
- if (kernel_sysctlbyname(p, "kern.lastpid",
- &lastpid, &ilen, NULL, 0, NULL) != 0)
- lastpid = -1; /* fake it */
-
- sbuf_new(&sb, NULL, 128, 0);
- sbuf_printf(&sb,
- "%d.%02d %d.%02d %d.%02d %d/%d %d\n",
- (int)(averunnable.ldavg[0] / averunnable.fscale),
- (int)(averunnable.ldavg[0] * 100 / averunnable.fscale % 100),
- (int)(averunnable.ldavg[1] / averunnable.fscale),
- (int)(averunnable.ldavg[1] * 100 / averunnable.fscale % 100),
- (int)(averunnable.ldavg[2] / averunnable.fscale),
- (int)(averunnable.ldavg[2] * 100 / averunnable.fscale % 100),
- 1, /* number of running tasks */
- nprocs, /* number of tasks */
- lastpid /* the last pid */
- );
-
- COMMON_END;
-}
-
-int
-linprocfs_doprocstat(curp, p, pfs, uio)
- struct proc *curp;
- struct proc *p;
- struct pfsnode *pfs;
- struct uio *uio;
-{
- COMMON_START;
- struct kinfo_proc kp;
-
- fill_kinfo_proc(p, &kp);
- sbuf_new(&sb, NULL, 1024, 0);
- sbuf_printf(&sb, "%d", p->p_pid);
-#define PS_ADD(name, fmt, arg) sbuf_printf(&sb, " " fmt, arg)
- PS_ADD("comm", "(%s)", p->p_comm);
- PS_ADD("statr", "%c", '0'); /* XXX */
- PROC_LOCK(p);
- PS_ADD("ppid", "%d", p->p_pptr ? p->p_pptr->p_pid : 0);
- PROC_UNLOCK(p);
- PS_ADD("pgrp", "%d", p->p_pgid);
- PS_ADD("session", "%d", p->p_session->s_sid);
- PS_ADD("tty", "%d", 0); /* XXX */
- PS_ADD("tpgid", "%d", 0); /* XXX */
- PS_ADD("flags", "%u", 0); /* XXX */
- PS_ADD("minflt", "%u", 0); /* XXX */
- PS_ADD("cminflt", "%u", 0); /* XXX */
- PS_ADD("majflt", "%u", 0); /* XXX */
- PS_ADD("cminflt", "%u", 0); /* XXX */
- PS_ADD("utime", "%d", 0); /* XXX */
- PS_ADD("stime", "%d", 0); /* XXX */
- PS_ADD("cutime", "%d", 0); /* XXX */
- PS_ADD("cstime", "%d", 0); /* XXX */
- PS_ADD("counter", "%d", 0); /* XXX */
- PS_ADD("priority", "%d", 0); /* XXX */
- PS_ADD("timeout", "%u", 0); /* XXX */
- PS_ADD("itrealvalue", "%u", 0); /* XXX */
- PS_ADD("starttime", "%d", 0); /* XXX */
- PS_ADD("vsize", "%u", kp.ki_size);
- PS_ADD("rss", "%u", P2K(kp.ki_rssize));
- PS_ADD("rlim", "%u", 0); /* XXX */
- PS_ADD("startcode", "%u", (unsigned)0);
- PS_ADD("endcode", "%u", 0); /* XXX */
- PS_ADD("startstack", "%u", 0); /* XXX */
- PS_ADD("esp", "%u", 0); /* XXX */
- PS_ADD("eip", "%u", 0); /* XXX */
- PS_ADD("signal", "%d", 0); /* XXX */
- PS_ADD("blocked", "%d", 0); /* XXX */
- PS_ADD("sigignore", "%d", 0); /* XXX */
- PS_ADD("sigcatch", "%d", 0); /* XXX */
- PS_ADD("wchan", "%u", 0); /* XXX */
- PS_ADD("nswap", "%lu", (long unsigned)0); /* XXX */
- PS_ADD("cnswap", "%lu", (long unsigned)0); /* XXX */
- PS_ADD("exitsignal", "%d", 0); /* XXX */
- PS_ADD("processor", "%d", 0); /* XXX */
-#undef PS_ADD
- sbuf_putc(&sb, '\n');
-
- COMMON_END;
-}
-
-/*
- * Map process state to descriptive letter. Note that this does not
- * quite correspond to what Linux outputs, but it's close enough.
- */
-static char *state_str[] = {
- "? (unknown)",
- "I (idle)",
- "R (running)",
- "S (sleeping)",
- "T (stopped)",
- "Z (zombie)",
- "W (waiting)",
- "M (mutex)"
-};
-
-int
-linprocfs_doprocstatus(curp, p, pfs, uio)
- struct proc *curp;
- struct proc *p;
- struct pfsnode *pfs;
- struct uio *uio;
-{
- COMMON_START;
- struct kinfo_proc kp;
- char *state;
- segsz_t lsize;
- int i;
-
- sbuf_new(&sb, NULL, 1024, 0);
-
- mtx_lock_spin(&sched_lock);
- if (p->p_stat > sizeof state_str / sizeof *state_str)
- state = state_str[0];
- else
- state = state_str[(int)p->p_stat];
- mtx_unlock_spin(&sched_lock);
-
- fill_kinfo_proc(p, &kp);
- sbuf_printf(&sb, "Name:\t%s\n", p->p_comm); /* XXX escape */
- sbuf_printf(&sb, "State:\t%s\n", state);
-
- /*
- * Credentials
- */
- sbuf_printf(&sb, "Pid:\t%d\n", p->p_pid);
- PROC_LOCK(p);
- sbuf_printf(&sb, "PPid:\t%d\n", p->p_pptr ?
- p->p_pptr->p_pid : 0);
- sbuf_printf(&sb, "Uid:\t%d %d %d %d\n", p->p_ucred->cr_ruid,
- p->p_ucred->cr_uid,
- p->p_ucred->cr_svuid,
- /* FreeBSD doesn't have fsuid */
- p->p_ucred->cr_uid);
- sbuf_printf(&sb, "Gid:\t%d %d %d %d\n", p->p_ucred->cr_rgid,
- p->p_ucred->cr_gid,
- p->p_ucred->cr_svgid,
- /* FreeBSD doesn't have fsgid */
- p->p_ucred->cr_gid);
- sbuf_cat(&sb, "Groups:\t");
- for (i = 0; i < p->p_ucred->cr_ngroups; i++)
- sbuf_printf(&sb, "%d ", p->p_ucred->cr_groups[i]);
- PROC_UNLOCK(p);
- sbuf_putc(&sb, '\n');
-
- /*
- * Memory
- *
- * While our approximation of VmLib may not be accurate (I
- * don't know of a simple way to verify it, and I'm not sure
- * it has much meaning anyway), I believe it's good enough.
- *
- * The same code that could (I think) accurately compute VmLib
- * could also compute VmLck, but I don't really care enough to
- * implement it. Submissions are welcome.
- */
- sbuf_printf(&sb, "VmSize:\t%8u kB\n", B2K(kp.ki_size));
- sbuf_printf(&sb, "VmLck:\t%8u kB\n", P2K(0)); /* XXX */
- sbuf_printf(&sb, "VmRss:\t%8u kB\n", P2K(kp.ki_rssize));
- sbuf_printf(&sb, "VmData:\t%8u kB\n", P2K(kp.ki_dsize));
- sbuf_printf(&sb, "VmStk:\t%8u kB\n", P2K(kp.ki_ssize));
- sbuf_printf(&sb, "VmExe:\t%8u kB\n", P2K(kp.ki_tsize));
- lsize = B2P(kp.ki_size) - kp.ki_dsize -
- kp.ki_ssize - kp.ki_tsize - 1;
- sbuf_printf(&sb, "VmLib:\t%8u kB\n", P2K(lsize));
-
- /*
- * Signal masks
- *
- * We support up to 128 signals, while Linux supports 32,
- * but we only define 32 (the same 32 as Linux, to boot), so
- * just show the lower 32 bits of each mask. XXX hack.
- *
- * NB: on certain platforms (Sparc at least) Linux actually
- * supports 64 signals, but this code is a long way from
- * running on anything but i386, so ignore that for now.
- */
- PROC_LOCK(p);
- sbuf_printf(&sb, "SigPnd:\t%08x\n", p->p_siglist.__bits[0]);
- /*
- * I can't seem to find out where the signal mask is in
- * relation to struct proc, so SigBlk is left unimplemented.
- */
- sbuf_printf(&sb, "SigBlk:\t%08x\n", 0); /* XXX */
- sbuf_printf(&sb, "SigIgn:\t%08x\n", p->p_sigignore.__bits[0]);
- sbuf_printf(&sb, "SigCgt:\t%08x\n", p->p_sigcatch.__bits[0]);
- PROC_UNLOCK(p);
-
- /*
- * Linux also prints the capability masks, but we don't have
- * capabilities yet, and when we do get them they're likely to
- * be meaningless to Linux programs, so we lie. XXX
- */
- sbuf_printf(&sb, "CapInh:\t%016x\n", 0);
- sbuf_printf(&sb, "CapPrm:\t%016x\n", 0);
- sbuf_printf(&sb, "CapEff:\t%016x\n", 0);
-
- COMMON_END;
-}
-
-int
-linprocfs_doselflink(curp, p, pfs, uio)
- struct proc *curp;
- struct proc *p;
- struct pfsnode *pfs;
- struct uio *uio;
-{
- char buf[16]; /* should be enough */
- int len;
-
- /* XXX shouldn't this be uio->uio_procp->p_pid? */
- len = snprintf(buf, sizeof(buf), "%ld", (long)curproc->p_pid);
-
- return (uiomove(buf, len, uio));
-}
-
-int
-linprocfs_doexelink(curp, p, pfs, uio)
- struct proc *curp;
- struct proc *p;
- struct pfsnode *pfs;
- struct uio *uio;
-{
- int error = 0;
- char *fullpath = "unknown";
- char *freepath = NULL;
-
- p = PFIND(pfs->pfs_pid);
- if (p == NULL || p->p_ucred == NULL) {
- if (p != NULL)
- PROC_UNLOCK(p);
- printf("doexelink: pid %d disappeared\n", pfs->pfs_pid);
- } else {
- PROC_UNLOCK(p);
- /* fullpath/freepath are unchanged if textvp_fullpath fails */
- error = textvp_fullpath(p, &fullpath, &freepath);
- }
- error = uiomove(fullpath, strlen(fullpath), uio);
- if (freepath)
- free(freepath, M_TEMP);
- return (error);
-}
-
-int
-linprocfs_donetdev(curp, p, pfs, uio)
- struct proc *curp;
- struct proc *p;
- struct pfsnode *pfs;
- struct uio *uio;
-{
- COMMON_START;
- struct ifnet *ifp;
- int eth_index = 0;
-
- sbuf_new(&sb, NULL, 1024, 0);
- sbuf_printf(&sb,
- "Inter-| Receive "
- " | Transmit\n"
- " face |bytes packets errs drop fifo frame compressed "
- "multicast|bytes packets errs drop fifo colls carrier "
- "compressed\n");
-
- TAILQ_FOREACH(ifp, &ifnet, if_link) {
- if (strcmp(ifp->if_name, "lo") == 0) {
- sbuf_printf(&sb, "%6.6s:", ifp->if_name);
- } else {
- sbuf_printf(&sb, "%5.5s%d:", "eth", eth_index);
- eth_index++;
- }
- sbuf_printf(&sb,
- "%8lu %7lu %4lu %4lu %4lu %5lu %10lu %9lu "
- "%8lu %7lu %4lu %4lu %4lu %5lu %7lu %10lu\n",
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0);
- }
-
- COMMON_END;
-}
-
-int
-linprocfs_dodevices(curp, p, pfs, uio)
- struct proc *curp;
- struct proc *p;
- struct pfsnode *pfs;
- struct uio *uio;
-{
- COMMON_START;
- int i;
-
- sbuf_new(&sb, NULL, 1024, 0);
- sbuf_printf(&sb, "Character devices:\n");
-
- for (i = 0; i < NUMCDEVSW; i++) {
- if (cdevsw[i] != NULL)
- sbuf_printf(&sb, "%3d %s\n", i, cdevsw[i]->d_name);
- }
-
- sbuf_printf(&sb, "\nBlock devices:\n");
-
- COMMON_END;
-}
-
-int
-linprocfs_docmdline(curp, p, pfs, uio)
- struct proc *curp;
- struct proc *p;
- struct pfsnode *pfs;
- struct uio *uio;
-{
- COMMON_START;
-
- sbuf_new(&sb, NULL, 128, 0);
- sbuf_printf(&sb, "BOOT_IMAGE=%s", kernelname);
- sbuf_printf(&sb, " ro root=302\n");
-
- COMMON_END;
-}
diff --git a/sys/compat/linprocfs/linprocfs_subr.c b/sys/compat/linprocfs/linprocfs_subr.c
deleted file mode 100644
index 09b449e..0000000
--- a/sys/compat/linprocfs/linprocfs_subr.c
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
- * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
- * Copyright (c) 1999 Pierre Beyssac
- * Copyright (c) 1993 Jan-Simon Pendry
- * Copyright (c) 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Jan-Simon Pendry.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)procfs_subr.c 8.6 (Berkeley) 5/14/95
- *
- * $FreeBSD$
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/lock.h>
-#include <sys/malloc.h>
-#include <sys/mutex.h>
-#include <sys/proc.h>
-#include <sys/vnode.h>
-
-#include <compat/linprocfs/linprocfs.h>
-
-static struct pfsnode *pfshead;
-static int pfsvplock;
-
-/*
- * allocate a pfsnode/vnode pair. the vnode is
- * referenced, but not locked.
- *
- * the pid, node_data, and mount point uniquely
- * identify a pfsnode. the mount point is needed
- * because someone might mount this filesystem
- * twice.
- *
- * all pfsnodes are maintained on a singly-linked
- * list. new nodes are only allocated when they cannot
- * be found on this list. entries on the list are
- * removed when the vfs reclaim entry is called.
- *
- * a single lock is kept for the entire list. this is
- * needed because the getnewvnode() function can block
- * waiting for a vnode to become free, in which case there
- * may be more than one process trying to get the same
- * vnode. this lock is only taken if we are going to
- * call getnewvnode, since the kernel itself is single-threaded.
- *
- * if an entry is found on the list, then call vget() to
- * take a reference. this is done because there may be
- * zero references to it and so it needs to removed from
- * the vnode free list.
- */
-int
-linprocfs_allocvp(mp, vpp, pid, nd)
- struct mount *mp;
- struct vnode **vpp;
- long pid;
- struct node_data *nd;
-{
- struct proc *p = curproc; /* XXX */
- struct pfsnode *pfs;
- struct vnode *vp;
- struct pfsnode **pp;
- int error;
-
- if ((nd->nd_flags & PDEP) == 0)
- pid = 0;
-
-loop:
- for (pfs = pfshead; pfs != 0; pfs = pfs->pfs_next) {
- vp = PFSTOV(pfs);
- if (pfs->pfs_pid == pid &&
- pfs->pfs_nd == nd &&
- vp->v_mount == mp) {
- if (vget(vp, 0, p))
- goto loop;
- *vpp = vp;
- return (0);
- }
- }
-
- /*
- * otherwise lock the vp list while we call getnewvnode
- * since that can block.
- */
- if (pfsvplock & PROCFS_LOCKED) {
- pfsvplock |= PROCFS_WANT;
- (void) tsleep((caddr_t) &pfsvplock, PINOD, "pfsavp", 0);
- goto loop;
- }
- pfsvplock |= PROCFS_LOCKED;
-
- /*
- * Do the MALLOC before the getnewvnode since doing so afterward
- * might cause a bogus v_data pointer to get dereferenced
- * elsewhere if MALLOC should block.
- */
- MALLOC(pfs, struct pfsnode *, sizeof(struct pfsnode), M_TEMP, M_WAITOK);
-
- error = getnewvnode(VT_PROCFS, mp, linprocfs_vnodeop_p, vpp);
- if (error) {
- FREE(pfs, M_TEMP);
- goto out;
- }
- vp = *vpp;
-
- vp->v_data = pfs;
-
- pfs->pfs_next = 0;
- pfs->pfs_pid = (pid_t) pid;
- pfs->pfs_nd = nd;
- pfs->pfs_vnode = vp;
- pfs->pfs_flags = 0;
- pfs->pfs_lockowner = 0;
- pfs->pfs_fileno = PROCFS_FILENO(nd, pid);
-
- vp->v_type = nd->nd_type;
- if (nd == root_dir)
- vp->v_flag = VROOT;
-
- /* add to procfs vnode list */
- for (pp = &pfshead; *pp; pp = &(*pp)->pfs_next)
- continue;
- *pp = pfs;
-
-out:
- pfsvplock &= ~PROCFS_LOCKED;
-
- if (pfsvplock & PROCFS_WANT) {
- pfsvplock &= ~PROCFS_WANT;
- wakeup((caddr_t) &pfsvplock);
- }
-
- return (error);
-}
-
-int
-linprocfs_freevp(vp)
- struct vnode *vp;
-{
- struct pfsnode **pfspp;
- struct pfsnode *pfs = VTOPFS(vp);
-
- for (pfspp = &pfshead; *pfspp != 0; pfspp = &(*pfspp)->pfs_next) {
- if (*pfspp == pfs) {
- *pfspp = pfs->pfs_next;
- break;
- }
- }
-
- FREE(vp->v_data, M_TEMP);
- vp->v_data = 0;
- return (0);
-}
-
-int
-linprocfs_rw(ap)
- struct vop_read_args *ap;
-{
- struct vnode *vp = ap->a_vp;
- struct uio *uio = ap->a_uio;
- struct proc *curp = uio->uio_procp;
- struct pfsnode *pfs = VTOPFS(vp);
- struct node_data *nd = pfs->pfs_nd;
- struct proc *p = NULL;
- int error;
-
- if (nd->nd_type == VDIR)
- return (EOPNOTSUPP);
-
- if (nd->nd_flags & PDEP) {
- p = PFIND(pfs->pfs_pid);
- if (p == NULL)
- return (EINVAL);
- PROC_UNLOCK(p);
- }
-
- mp_fixme("pfs_lockowner needs a lock");
- while (pfs->pfs_lockowner) {
- tsleep(&pfs->pfs_lockowner, PRIBIO, "pfslck", 0);
- }
-
- pfs->pfs_lockowner = curproc->p_pid;
- error = nd->nd_action(curp, p, pfs, uio);
- pfs->pfs_lockowner = 0;
-
- wakeup(&pfs->pfs_lockowner);
- return (error);
-}
-
-#if 0
-/*
- * Get a string from userland into (buf). Strip a trailing
- * nl character (to allow easy access from the shell).
- * The buffer should be *buflenp + 1 chars long. vfs_getuserstr
- * will automatically add a nul char at the end.
- *
- * Returns 0 on success or the following errors
- *
- * EINVAL: file offset is non-zero.
- * EMSGSIZE: message is longer than kernel buffer
- * EFAULT: user i/o buffer is not addressable
- */
-int
-vfs_getuserstr(uio, buf, buflenp)
- struct uio *uio;
- char *buf;
- int *buflenp;
-{
- int xlen;
- int error;
-
- if (uio->uio_offset != 0)
- return (EINVAL);
-
- xlen = *buflenp;
-
- /* must be able to read the whole string in one go */
- if (xlen < uio->uio_resid)
- return (EMSGSIZE);
- xlen = uio->uio_resid;
-
- if ((error = uiomove(buf, xlen, uio)) != 0)
- return (error);
-
- /* allow multiple writes without seeks */
- uio->uio_offset = 0;
-
- /* cleanup string and remove trailing newline */
- buf[xlen] = '\0';
- xlen = strlen(buf);
- if (xlen > 0 && buf[xlen-1] == '\n')
- buf[--xlen] = '\0';
- *buflenp = xlen;
-
- return (0);
-}
-
-vfs_namemap_t *
-vfs_findname(nm, buf, buflen)
- vfs_namemap_t *nm;
- char *buf;
- int buflen;
-{
-
- for (; nm->nm_name; nm++)
- if (bcmp(buf, nm->nm_name, buflen+1) == 0)
- return (nm);
-
- return (0);
-}
-#endif
-
-void
-linprocfs_exit(struct proc *p)
-{
- struct pfsnode *pfs;
- pid_t pid = p->p_pid;
-
- /*
- * The reason for this loop is not obvious -- basicly,
- * linprocfs_freevp(), which is called via vgone() (eventually),
- * removes the specified procfs node from the pfshead list.
- * It does this by *pfsp = pfs->pfs_next, meaning that it
- * overwrites the node. So when we do pfs = pfs->next, we
- * end up skipping the node that replaces the one that was
- * vgone'd. Since it may have been the last one on the list,
- * it may also have been set to null -- but *our* pfs pointer,
- * here, doesn't see this. So the loop starts from the beginning
- * again.
- *
- * This is not a for() loop because the final event
- * would be "pfs = pfs->pfs_next"; in the case where
- * pfs is set to pfshead again, that would mean that
- * pfshead is skipped over.
- *
- */
- pfs = pfshead;
- while (pfs) {
- if (pfs->pfs_pid == pid) {
- vgone(PFSTOV(pfs));
- pfs = pfshead;
- } else
- pfs = pfs->pfs_next;
- }
-}
diff --git a/sys/compat/linprocfs/linprocfs_vfsops.c b/sys/compat/linprocfs/linprocfs_vfsops.c
deleted file mode 100644
index d635522..0000000
--- a/sys/compat/linprocfs/linprocfs_vfsops.c
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
- * Copyright (c) 1999 Pierre Beyssac
- * Copyright (c) 1993 Jan-Simon Pendry
- * Copyright (c) 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Jan-Simon Pendry.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)procfs_vfsops.c 8.7 (Berkeley) 5/10/95
- *
- * $FreeBSD$
- */
-
-/*
- * procfs VFS interface
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/proc.h>
-#include <sys/syslog.h>
-#include <sys/mount.h>
-#include <sys/vnode.h>
-#include <compat/linprocfs/linprocfs.h>
-
-static int linprocfs_mount __P((struct mount *mp, char *path, caddr_t data,
- struct nameidata *ndp, struct proc *p));
-static int linprocfs_statfs __P((struct mount *mp, struct statfs *sbp,
- struct proc *p));
-static int linprocfs_unmount __P((struct mount *mp, int mntflags,
- struct proc *p));
-
-/*
- * VFS Operations.
- *
- * mount system call
- */
-/* ARGSUSED */
-static int
-linprocfs_mount(mp, path, data, ndp, p)
- struct mount *mp;
- char *path;
- caddr_t data;
- struct nameidata *ndp;
- struct proc *p;
-{
- size_t size;
- int error;
-
- if (mp->mnt_flag & MNT_UPDATE)
- return (EOPNOTSUPP);
-
- if (mp->mnt_vfc->vfc_refcount == 1 && (error = at_exit(linprocfs_exit))) {
- printf("linprocfs: cannot register linprocfs_exit with at_exit\n");
- return(error);
- }
-
- mp->mnt_flag |= MNT_LOCAL;
- mp->mnt_data = 0;
- vfs_getnewfsid(mp);
-
- size = sizeof("linprocfs") - 1;
- bcopy("linprocfs", mp->mnt_stat.f_mntfromname, size);
- bzero(mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
- (void)linprocfs_statfs(mp, &mp->mnt_stat, p);
-
- return (0);
-}
-
-/*
- * unmount system call
- */
-static int
-linprocfs_unmount(mp, mntflags, p)
- struct mount *mp;
- int mntflags;
- struct proc *p;
-{
- int error;
- int flags = 0;
-
- if (mntflags & MNT_FORCE)
- flags |= FORCECLOSE;
-
- error = vflush(mp, 0, flags);
- if (error)
- return (error);
-
- if (mp->mnt_vfc->vfc_refcount == 1)
- rm_at_exit(linprocfs_exit);
-
- return (0);
-}
-
-int
-linprocfs_root(mp, vpp)
- struct mount *mp;
- struct vnode **vpp;
-{
-
- return (linprocfs_allocvp(mp, vpp, 0, root_dir));
-}
-
-/*
- * Get file system statistics.
- */
-static int
-linprocfs_statfs(mp, sbp, p)
- struct mount *mp;
- struct statfs *sbp;
- struct proc *p;
-{
- sbp->f_bsize = PAGE_SIZE;
- sbp->f_iosize = PAGE_SIZE;
- sbp->f_blocks = 1; /* avoid divide by zero in some df's */
- sbp->f_bfree = 0;
- sbp->f_bavail = 0;
- sbp->f_files = maxproc; /* approx */
- sbp->f_ffree = maxproc - nprocs; /* approx */
-
- if (sbp != &mp->mnt_stat) {
- sbp->f_type = mp->mnt_vfc->vfc_typenum;
- bcopy(&mp->mnt_stat.f_fsid, &sbp->f_fsid, sizeof(sbp->f_fsid));
- bcopy(mp->mnt_stat.f_mntonname, sbp->f_mntonname, MNAMELEN);
- bcopy(mp->mnt_stat.f_mntfromname, sbp->f_mntfromname, MNAMELEN);
- }
-
- return (0);
-}
-
-static struct vfsops linprocfs_vfsops = {
- linprocfs_mount,
- vfs_stdstart,
- linprocfs_unmount,
- linprocfs_root,
- vfs_stdquotactl,
- linprocfs_statfs,
- vfs_stdsync,
- vfs_stdvget,
- vfs_stdfhtovp,
- vfs_stdcheckexp,
- vfs_stdvptofh,
- vfs_stdinit,
-};
-
-VFS_SET(linprocfs_vfsops, linprocfs, VFCF_SYNTHETIC);
-MODULE_DEPEND(linprocfs, linux, 1, 1, 1);
-MODULE_DEPEND(linprocfs, procfs, 1, 1, 1);
diff --git a/sys/compat/linprocfs/linprocfs_vnops.c b/sys/compat/linprocfs/linprocfs_vnops.c
deleted file mode 100644
index 08a5023..0000000
--- a/sys/compat/linprocfs/linprocfs_vnops.c
+++ /dev/null
@@ -1,854 +0,0 @@
-/*
- * Copyright (c) 2001 Jonathan Lemon <jlemon@freebsd.org>
- * Copyright (c) 2000 Dag-Erling Coïdan Smørgrav
- * Copyright (c) 1999 Pierre Beyssac
- * Copyright (c) 1993, 1995 Jan-Simon Pendry
- * Copyright (c) 1993, 1995
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Jan-Simon Pendry.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)procfs_vnops.c 8.18 (Berkeley) 5/21/95
- *
- * $FreeBSD$
- */
-
-/*
- * procfs vnode interface
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/dirent.h>
-#include <sys/fcntl.h>
-#include <sys/kernel.h>
-#include <sys/lock.h>
-#include <sys/malloc.h>
-#include <sys/mount.h>
-#include <sys/mutex.h>
-#include <sys/namei.h>
-#include <sys/pioctl.h>
-#include <sys/proc.h>
-#include <sys/signalvar.h>
-#include <sys/sx.h>
-#include <sys/time.h>
-#include <sys/vnode.h>
-
-#include <machine/reg.h>
-
-#include <vm/vm_zone.h>
-
-#include <compat/linprocfs/linprocfs.h>
-
-extern struct vnode *procfs_findtextvp __P((struct proc *));
-extern int procfs_kmemaccess __P((struct proc *));
-
-static int linprocfs_access __P((struct vop_access_args *));
-static int linprocfs_badop __P((void));
-static int linprocfs_close __P((struct vop_close_args *));
-static int linprocfs_getattr __P((struct vop_getattr_args *));
-static int linprocfs_inactive __P((struct vop_inactive_args *));
-static int linprocfs_ioctl __P((struct vop_ioctl_args *));
-static int linprocfs_lookup __P((struct vop_lookup_args *));
-static int linprocfs_open __P((struct vop_open_args *));
-static int linprocfs_print __P((struct vop_print_args *));
-static int linprocfs_readdir __P((struct vop_readdir_args *));
-static int linprocfs_readlink __P((struct vop_readlink_args *));
-static int linprocfs_reclaim __P((struct vop_reclaim_args *));
-static int linprocfs_setattr __P((struct vop_setattr_args *));
-static pid_t atopid __P((const char *, u_int));
-
-#define N(s) s, sizeof(s)-1
-#define A(s) linprocfs_ ## s
-#define D(s) (node_action_t *)(s)
-
-struct node_data net_dir[] = {
- { N("."), VDIR, 0555, 0, D(net_dir) },
- { N(".."), VDIR, 0555, 0, D(root_dir) },
- { N("dev"), VREG, 0444, 0, A(donetdev) },
- { N(""), VNON, 0000, 0, NULL },
-};
-
-struct node_data proc_dir[] = {
- { N("."), VDIR, 0555, PDEP, D(proc_dir) },
- { N(".."), VDIR, 0555, 0, D(root_dir) },
- { N("cmdline"), VREG, 0444, PDEP, procfs_docmdline },
- { N("exe"), VLNK, 0444, PDEP, A(doexelink) },
- { N("mem"), VREG, 0600, PDEP, procfs_domem },
- { N("stat"), VREG, 0444, PDEP, A(doprocstat) },
- { N("status"), VREG, 0444, PDEP, A(doprocstatus) },
- { N(""), VNON, 0000, 0, NULL },
-};
-
-struct node_data root_dir[] = {
- { N("."), VDIR, 0555, 0, D(root_dir) },
- { N(".."), VDIR, 0555, 0, NULL },
- { N("cmdline"), VREG, 0444, 0, A(docmdline) },
- { N("cpuinfo"), VREG, 0444, 0, A(docpuinfo) },
- { N("devices"), VREG, 0444, 0, A(dodevices) },
- { N("meminfo"), VREG, 0444, 0, A(domeminfo) },
- { N("net"), VDIR, 0555, 0, D(net_dir) },
- { N("self"), VLNK, 0444, 0, A(doselflink) },
- { N("stat"), VREG, 0444, 0, A(dostat) },
- { N("uptime"), VREG, 0444, 0, A(douptime) },
- { N("version"), VREG, 0444, 0, A(doversion) },
- { N("loadavg"), VREG, 0444, 0, A(doloadavg) },
- { N(""), VNON, 0000, 0, NULL },
-};
-
-#undef N
-#undef A
-
-static int vn2ft[] = {
- DT_UNKNOWN, /* VNON */
- DT_REG, /* VREG */
- DT_DIR, /* VDIR */
- DT_BLK, /* VBLK */
- DT_CHR, /* VCHR */
- DT_LNK, /* VLNK */
- DT_SOCK, /* VSOCK */
- DT_FIFO, /* VFIFO */
- DT_UNKNOWN, /* VBAD */
-};
-
-/*
- * set things up for doing i/o on
- * the pfsnode (vp). (vp) is locked
- * on entry, and should be left locked
- * on exit.
- *
- * for procfs we don't need to do anything
- * in particular for i/o. all that is done
- * is to support exclusive open on process
- * memory images.
- */
-static int
-linprocfs_open(ap)
- struct vop_open_args /* {
- struct vnode *a_vp;
- int a_mode;
- struct ucred *a_cred;
- struct proc *a_p;
- } */ *ap;
-{
- struct pfsnode *pfs = VTOPFS(ap->a_vp);
- struct node_data *nd = pfs->pfs_nd;
- struct proc *p1, *p2 = NULL;
-
- if (nd->nd_flags & PDEP) {
- p2 = PFIND(pfs->pfs_pid);
- if (p2 == NULL)
- return (ENOENT);
- if (pfs->pfs_pid && p_can(ap->a_p, p2, P_CAN_SEE, NULL)) {
- PROC_UNLOCK(p2);
- return (ENOENT);
- }
- PROC_UNLOCK(p2);
- }
-
- if (nd->nd_action == procfs_domem) {
- if (((pfs->pfs_flags & FWRITE) && (ap->a_mode & O_EXCL)) ||
- ((pfs->pfs_flags & O_EXCL) && (ap->a_mode & FWRITE)))
- return (EBUSY);
-
- p1 = ap->a_p;
- if (p_can(p1, p2, P_CAN_DEBUG, NULL) && !procfs_kmemaccess(p1))
- return (EPERM);
-
- if (ap->a_mode & FWRITE)
- pfs->pfs_flags = ap->a_mode & (FWRITE|O_EXCL);
- }
-
- return (0);
-}
-
-/*
- * close the pfsnode (vp) after doing i/o.
- * (vp) is not locked on entry or exit.
- *
- * nothing to do for procfs other than undo
- * any exclusive open flag (see _open above).
- */
-static int
-linprocfs_close(ap)
- struct vop_close_args /* {
- struct vnode *a_vp;
- int a_fflag;
- struct ucred *a_cred;
- struct proc *a_p;
- } */ *ap;
-{
- struct pfsnode *pfs = VTOPFS(ap->a_vp);
- struct proc *p;
-
- if (pfs->pfs_nd->nd_action == procfs_domem) {
- if ((ap->a_fflag & FWRITE) && (pfs->pfs_flags & O_EXCL))
- pfs->pfs_flags &= ~(FWRITE|O_EXCL);
- /*
- * If this is the last close, then it checks to see if
- * the target process has PF_LINGER set in p_pfsflags,
- * if this is *not* the case, then the process' stop flags
- * are cleared, and the process is woken up. This is
- * to help prevent the case where a process has been
- * told to stop on an event, but then the requesting process
- * has gone away or forgotten about it.
- */
- if ((ap->a_vp->v_usecount < 2) && (p = PFIND(pfs->pfs_pid))) {
- if (!(p->p_pfsflags & PF_LINGER)) {
- p->p_stops = 0;
- p->p_step = 0;
- wakeup(&p->p_step);
- }
- PROC_UNLOCK(p);
- }
- }
-
- return (0);
-}
-
-/*
- * do an ioctl operation on a pfsnode (vp).
- * (vp) is not locked on entry or exit.
- */
-static int
-linprocfs_ioctl(ap)
- struct vop_ioctl_args *ap;
-{
- struct pfsnode *pfs = VTOPFS(ap->a_vp);
- struct proc *procp, *p;
- int error;
- int signo;
- struct procfs_status *psp;
- unsigned char flags;
-
- p = ap->a_p;
- procp = PFIND(pfs->pfs_pid);
- if (procp == NULL)
- return ENOTTY;
-
- if ((error = p_can(p, procp, P_CAN_DEBUG, NULL))) {
- PROC_UNLOCK(procp);
- return (error == ESRCH ? ENOENT : error);
- }
-
- switch (ap->a_command) {
- case PIOCBIS:
- procp->p_stops |= *(unsigned int*)ap->a_data;
- break;
- case PIOCBIC:
- procp->p_stops &= ~*(unsigned int*)ap->a_data;
- break;
- case PIOCSFL:
- /*
- * NFLAGS is "non-suser_xxx flags" -- currently, only
- * PFS_ISUGID ("ignore set u/g id");
- */
-#define NFLAGS (PF_ISUGID)
- flags = (unsigned char)*(unsigned int*)ap->a_data;
- if (flags & NFLAGS && (error = suser(p))) {
- PROC_UNLOCK(procp);
- return error;
- }
- procp->p_pfsflags = flags;
- break;
- case PIOCGFL:
- *(unsigned int*)ap->a_data = (unsigned int)procp->p_pfsflags;
- /* FALLTHROUGH */
- case PIOCSTATUS:
- psp = (struct procfs_status *)ap->a_data;
- psp->state = (procp->p_step == 0);
- psp->flags = procp->p_pfsflags;
- psp->events = procp->p_stops;
- if (procp->p_step) {
- psp->why = procp->p_stype;
- psp->val = procp->p_xstat;
- } else {
- psp->why = psp->val = 0; /* Not defined values */
- }
- break;
- case PIOCWAIT:
- psp = (struct procfs_status *)ap->a_data;
- if (procp->p_step == 0) {
- error = msleep(&procp->p_stype, &procp->p_mtx, PWAIT | PCATCH,
- "piocwait", 0);
- if (error) {
- PROC_UNLOCK(procp);
- return error;
- }
- }
- psp->state = 1; /* It stopped */
- psp->flags = procp->p_pfsflags;
- psp->events = procp->p_stops;
- psp->why = procp->p_stype; /* why it stopped */
- psp->val = procp->p_xstat; /* any extra info */
- break;
- case PIOCCONT: /* Restart a proc */
- if (procp->p_step == 0) {
- PROC_UNLOCK(procp);
- return EINVAL; /* Can only start a stopped process */
- }
- if ((signo = *(int*)ap->a_data) != 0) {
- if (signo >= NSIG || signo <= 0) {
- PROC_UNLOCK(procp);
- return EINVAL;
- }
- psignal(procp, signo);
- }
- procp->p_step = 0;
- wakeup(&procp->p_step);
- break;
- default:
- PROC_UNLOCK(procp);
- return (ENOTTY);
- }
- PROC_UNLOCK(procp);
- return 0;
-}
-
-/*
- * linprocfs_inactive is called when the pfsnode
- * is vrele'd and the reference count goes
- * to zero. (vp) will be on the vnode free
- * list, so to get it back vget() must be
- * used.
- *
- * (vp) is locked on entry, but must be unlocked on exit.
- */
-static int
-linprocfs_inactive(ap)
- struct vop_inactive_args /* {
- struct vnode *a_vp;
- } */ *ap;
-{
- struct vnode *vp = ap->a_vp;
-
- VOP_UNLOCK(vp, 0, ap->a_p);
-
- return (0);
-}
-
-/*
- * _reclaim is called when getnewvnode()
- * wants to make use of an entry on the vnode
- * free list. at this time the filesystem needs
- * to free any private data and remove the node
- * from any private lists.
- */
-static int
-linprocfs_reclaim(ap)
- struct vop_reclaim_args /* {
- struct vnode *a_vp;
- } */ *ap;
-{
-
- return (linprocfs_freevp(ap->a_vp));
-}
-
-/*
- * _print is used for debugging.
- * just print a readable description
- * of (vp).
- */
-static int
-linprocfs_print(ap)
- struct vop_print_args /* {
- struct vnode *a_vp;
- } */ *ap;
-{
- struct pfsnode *pfs = VTOPFS(ap->a_vp);
- struct node_data *nd = pfs->pfs_nd;
-
- printf("tag VT_PROCFS, name %s, pid %ld, mode %x, flags %lx\n",
- nd->nd_name, (long)pfs->pfs_pid, nd->nd_mode, pfs->pfs_flags);
- return (0);
-}
-
-/*
- * generic entry point for unsupported operations
- */
-static int
-linprocfs_badop()
-{
-
- return (EIO);
-}
-
-/*
- * Invent attributes for pfsnode (vp) and store
- * them in (vap).
- * Directories lengths are returned as zero since
- * any real length would require the genuine size
- * to be computed, and nothing cares anyway.
- *
- * this is relatively minimal for procfs.
- */
-static int
-linprocfs_getattr(ap)
- struct vop_getattr_args /* {
- struct vnode *a_vp;
- struct vattr *a_vap;
- struct ucred *a_cred;
- struct proc *a_p;
- } */ *ap;
-{
- struct pfsnode *pfs = VTOPFS(ap->a_vp);
- struct node_data *nd = pfs->pfs_nd;
- struct vattr *vap = ap->a_vap;
- struct proc *procp;
-
- /*
- * First make sure that the process and its credentials
- * still exist.
- */
- if (nd->nd_flags & PDEP) {
- procp = PFIND(pfs->pfs_pid);
- if (procp == NULL)
- return (ENOENT);
- if (procp->p_ucred == NULL) {
- PROC_UNLOCK(procp);
- return (ENOENT);
- }
- if (p_can(ap->a_p, procp, P_CAN_SEE, NULL)) {
- PROC_UNLOCK(procp);
- return (ENOENT);
- }
- PROC_UNLOCK(procp);
- } else {
- procp = NULL;
- }
-
- /* start by zeroing out the attributes */
- VATTR_NULL(vap);
-
- /* next do all the common fields */
- vap->va_type = ap->a_vp->v_type;
- vap->va_mode = nd->nd_mode;
- vap->va_fileid = pfs->pfs_fileno;
- vap->va_flags = 0;
- vap->va_blocksize = PAGE_SIZE;
- vap->va_bytes = vap->va_size = 0;
- vap->va_fsid = ap->a_vp->v_mount->mnt_stat.f_fsid.val[0];
- vap->va_nlink = 1;
-
- /*
- * Make all times be current TOD.
- * It would be possible to get the process start
- * time from the p_stat structure, but there's
- * no "file creation" time stamp anyway, and the
- * p_stat structure is not addressible if u. gets
- * swapped out for that process.
- */
- nanotime(&vap->va_ctime);
- vap->va_atime = vap->va_mtime = vap->va_ctime;
-
- /*
- * now do the object specific fields
- *
- * The size could be set from struct reg, but it's hardly
- * worth the trouble, and it puts some (potentially) machine
- * dependent data into this machine-independent code. If it
- * becomes important then this function should break out into
- * a per-file stat function in the corresponding .c file.
- */
- if (procp) {
- PROC_LOCK(procp);
- vap->va_uid = procp->p_ucred->cr_uid;
- vap->va_gid = procp->p_ucred->cr_gid;
- PROC_UNLOCK(procp);
- } else {
- vap->va_uid = 0;
- vap->va_gid = 0;
- }
-
- /*
- * If the process has exercised some setuid or setgid
- * privilege, then change the owner to root.
- */
- if (nd->nd_action == procfs_domem) {
- PROC_LOCK(procp);
- if (procp->p_flag & P_SUGID)
- vap->va_uid = 0;
- PROC_UNLOCK(procp);
- }
-
- return (0);
-}
-
-static int
-linprocfs_setattr(ap)
- struct vop_setattr_args /* {
- struct vnode *a_vp;
- struct vattr *a_vap;
- struct ucred *a_cred;
- struct proc *a_p;
- } */ *ap;
-{
-
- if (ap->a_vap->va_flags != VNOVAL)
- return (EOPNOTSUPP);
-
- /*
- * just fake out attribute setting
- * it's not good to generate an error
- * return, otherwise things like creat()
- * will fail when they try to set the
- * file length to 0. worse, this means
- * that echo $note > /proc/$pid/note will fail.
- */
-
- return (0);
-}
-
-/*
- * implement access checking.
- *
- * actually, the check for super-user is slightly
- * broken since it will allow read access to write-only
- * objects. this doesn't cause any particular trouble
- * but does mean that the i/o entry points need to check
- * that the operation really does make sense.
- */
-static int
-linprocfs_access(ap)
- struct vop_access_args /* {
- struct vnode *a_vp;
- int a_mode;
- struct ucred *a_cred;
- struct proc *a_p;
- } */ *ap;
-{
- struct pfsnode *pfs = VTOPFS(ap->a_vp);
- struct vnode *vp = ap->a_vp;
- struct proc *procp;
- struct vattr *vap;
- struct vattr vattr;
- int error;
-
- if (pfs->pfs_nd->nd_flags & PDEP) {
- procp = PFIND(pfs->pfs_pid);
- if (procp == NULL)
- return (ENOENT);
- if (p_can(ap->a_p, procp, P_CAN_SEE, NULL)) {
- PROC_UNLOCK(procp);
- return (ENOENT);
- }
- PROC_UNLOCK(procp);
- }
-
- vap = &vattr;
- error = VOP_GETATTR(vp, vap, ap->a_cred, ap->a_p);
- if (error)
- return (error);
-
- return (vaccess(vp->v_type, vap->va_mode, vap->va_uid, vap->va_gid,
- ap->a_mode, ap->a_cred, NULL));
-}
-
-/*
- * lookup. this is incredibly complicated in the
- * general case, however for most pseudo-filesystems
- * very little needs to be done.
- *
- * unless you want to get a migraine, just make sure your
- * filesystem doesn't do any locking of its own. otherwise
- * read and inwardly digest ufs_lookup().
- */
-static int
-linprocfs_lookup(ap)
- struct vop_lookup_args /* {
- struct vnode * a_dvp;
- struct vnode ** a_vpp;
- struct componentname * a_cnp;
- } */ *ap;
-{
- struct componentname *cnp = ap->a_cnp;
- struct proc *curp = cnp->cn_proc;
- struct vnode **vpp = ap->a_vpp;
- struct vnode *dvp = ap->a_dvp;
- char *pname = cnp->cn_nameptr;
- struct node_data *nd;
- pid_t pid;
- struct pfsnode *pfs;
- struct proc *p;
- int error;
-
- *vpp = NULL;
-
- if (cnp->cn_nameiop != LOOKUP)
- return (EROFS);
-
- if (cnp->cn_namelen == 1 && *pname == '.') {
- *vpp = dvp;
- VREF(dvp);
- /* vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY, curp); */
- return (0);
- }
-
- pfs = VTOPFS(dvp);
- nd = pfs->pfs_nd;
- if (nd->nd_type != VDIR)
- return (ENOTDIR);
-
- if (cnp->cn_flags & ISDOTDOT) {
- if (nd == root_dir)
- return (EIO);
- nd = (struct node_data *)nd[1].nd_action;
- return (linprocfs_allocvp(dvp->v_mount, vpp, pfs->pfs_pid, nd));
- }
-
- /* generic lookup */
- for (nd = pfs->pfs_nd; nd->nd_type != VNON; nd++) {
- if (cnp->cn_namelen != nd->nd_namlen ||
- memcmp(pname, nd->nd_name, nd->nd_namlen))
- continue;
- if (nd->nd_type == VDIR)
- nd = (struct node_data *)nd->nd_action;
- return (linprocfs_allocvp(dvp->v_mount, vpp, pfs->pfs_pid, nd));
- }
-
- error = ENOENT;
-
- /* directory specific lookups */
- if (pfs->pfs_nd == root_dir) {
- pid = atopid(pname, cnp->cn_namelen);
- if (pid == NO_PID)
- goto done;
-
- p = PFIND(pid);
- if (p == NULL)
- goto done;
-
- if (p_can(curp, p, P_CAN_SEE, NULL)) {
- PROC_UNLOCK(p);
- goto done;
- }
- PROC_UNLOCK(p);
-
- error = linprocfs_allocvp(dvp->v_mount, vpp, pid, proc_dir);
- }
-done:
- return (error);
-}
-
-/*
- * Does this process have a text file?
- */
-int
-linprocfs_validfile(p)
- struct proc *p;
-{
-
- return (procfs_findtextvp(p) != NULLVP);
-}
-
-/*
- * readdir() returns directory entries from pfsnode (vp).
- *
- * We generate just one directory entry at a time, as it would probably
- * not pay off to buffer several entries locally to save uiomove calls.
- */
-static int
-linprocfs_readdir(ap)
- struct vop_readdir_args /* {
- struct vnode *a_vp;
- struct uio *a_uio;
- struct ucred *a_cred;
- int *a_eofflag;
- int *a_ncookies;
- u_long **a_cookies;
- } */ *ap;
-{
- struct uio *uio = ap->a_uio;
- struct dirent d;
- struct dirent *dp = &d;
- struct pfsnode *pfs;
- struct node_data *nd;
- struct proc *p;
- int i, start, copied, error, off;
- static u_int delen;
-
- if (!delen) {
- d.d_namlen = PROCFS_NAMELEN;
- delen = GENERIC_DIRSIZ(&d);
- }
-
- pfs = VTOPFS(ap->a_vp);
- nd = pfs->pfs_nd;
-
- if (nd->nd_type != VDIR)
- return (ENOTDIR);
-
- off = (int)uio->uio_offset;
- if (off != uio->uio_offset || off < 0 ||
- off % delen != 0 || uio->uio_resid < delen)
- return (EINVAL);
-
- error = 0;
- copied = 0;
- start = off / delen;
-
- if (nd->nd_flags & PDEP) {
- p = PFIND(pfs->pfs_pid);
- if (p == NULL)
- goto done;
- if (p_can(curproc, p, P_CAN_SEE, NULL)) {
- PROC_UNLOCK(p);
- goto done;
- }
- PROC_UNLOCK(p);
- }
-
- /*
- * copy out static entries
- */
- for (i = 0; i < start && nd->nd_type != VNON; nd++, i++);
- for (; uio->uio_resid >= delen && nd->nd_type != VNON; nd++, copied++) {
-
- dp->d_reclen = delen;
- dp->d_fileno = PROCFS_FILENO(nd, pfs->pfs_pid);
- dp->d_namlen = nd->nd_namlen;
- memcpy(dp->d_name, nd->nd_name, nd->nd_namlen + 1);
- dp->d_type = vn2ft[nd->nd_type];
-
- error = uiomove((caddr_t)dp, delen, uio);
- if (error)
- goto done;
- }
-
- /*
- * this is for the root of the procfs filesystem
- */
- if (pfs->pfs_nd == root_dir) {
- sx_slock(&allproc_lock);
- p = LIST_FIRST(&allproc);
- i = nd - pfs->pfs_nd;
-
- while (p && i < start) {
- if (p_can(curproc, p, P_CAN_SEE, NULL) == 0)
- i++;
- p = LIST_NEXT(p, p_list);
- }
- for (; p && uio->uio_resid >= delen; p = LIST_NEXT(p, p_list)) {
- if (p_can(curproc, p, P_CAN_SEE, NULL))
- continue;
- dp->d_reclen = delen;
- dp->d_fileno = PROCFS_FILENO(proc_dir, p->p_pid);
- dp->d_namlen = sprintf(dp->d_name, "%ld",
- (long)p->p_pid);
- dp->d_type = DT_DIR;
-
- error = uiomove((caddr_t)dp, delen, uio);
- if (error)
- break;
- copied++;
- }
- sx_sunlock(&allproc_lock);
- }
-done:
- return (error);
-}
-
-/*
- * readlink reads the link of `self' or `exe'
- */
-static int
-linprocfs_readlink(ap)
- struct vop_readlink_args *ap;
-{
- struct pfsnode *pfs = VTOPFS(ap->a_vp);
- struct node_data *nd = pfs->pfs_nd;
-
- /* sanity check */
- if (nd->nd_type != VLNK)
- return (EINVAL);
-
- return (nd->nd_action(NULL, NULL, pfs, ap->a_uio));
-}
-
-/*
- * convert decimal ascii to pid_t
- */
-static pid_t
-atopid(b, len)
- const char *b;
- u_int len;
-{
- pid_t p = 0;
-
- while (len--) {
- char c = *b++;
- if (c < '0' || c > '9')
- return (NO_PID);
- p = 10 * p + (c - '0');
- if (p > PID_MAX)
- return (NO_PID);
- }
-
- return (p);
-}
-
-/*
- * procfs vnode operations.
- */
-vop_t **linprocfs_vnodeop_p;
-static struct vnodeopv_entry_desc linprocfs_vnodeop_entries[] = {
- { &vop_default_desc, (vop_t *) vop_defaultop },
- { &vop_access_desc, (vop_t *) linprocfs_access },
- { &vop_advlock_desc, (vop_t *) linprocfs_badop },
- { &vop_close_desc, (vop_t *) linprocfs_close },
- { &vop_create_desc, (vop_t *) linprocfs_badop },
- { &vop_getattr_desc, (vop_t *) linprocfs_getattr },
- { &vop_inactive_desc, (vop_t *) linprocfs_inactive },
- { &vop_link_desc, (vop_t *) linprocfs_badop },
- { &vop_lookup_desc, (vop_t *) linprocfs_lookup },
- { &vop_mkdir_desc, (vop_t *) linprocfs_badop },
- { &vop_mknod_desc, (vop_t *) linprocfs_badop },
- { &vop_open_desc, (vop_t *) linprocfs_open },
- { &vop_pathconf_desc, (vop_t *) vop_stdpathconf },
- { &vop_print_desc, (vop_t *) linprocfs_print },
- { &vop_read_desc, (vop_t *) linprocfs_rw },
- { &vop_readdir_desc, (vop_t *) linprocfs_readdir },
- { &vop_readlink_desc, (vop_t *) linprocfs_readlink },
- { &vop_reclaim_desc, (vop_t *) linprocfs_reclaim },
- { &vop_remove_desc, (vop_t *) linprocfs_badop },
- { &vop_rename_desc, (vop_t *) linprocfs_badop },
- { &vop_rmdir_desc, (vop_t *) linprocfs_badop },
- { &vop_setattr_desc, (vop_t *) linprocfs_setattr },
- { &vop_symlink_desc, (vop_t *) linprocfs_badop },
- { &vop_write_desc, (vop_t *) linprocfs_rw },
- { &vop_ioctl_desc, (vop_t *) linprocfs_ioctl },
- { NULL, NULL }
-};
-static struct vnodeopv_desc linprocfs_vnodeop_opv_desc =
- { &linprocfs_vnodeop_p, linprocfs_vnodeop_entries };
-
-VNODEOP_SET(linprocfs_vnodeop_opv_desc);
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