Add proc/<pid>/cmdline.

3 files changed, 9 insertions, 1 deletions

diff --git a/sys/compat/linprocfs/linprocfs.h b/sys/compat/linprocfs/linprocfs.h
index 5e0c42f..fb085fe 100644
--- a/sys/compat/linprocfs/linprocfs.h
+++ b/sys/compat/linprocfs/linprocfs.h
@@ -50,6 +50,7 @@ typedef enum {
 	Pproc,		/* a process-specific sub-directory */
 	Pexe,		/* the executable file */
 	Pmem,		/* the process's memory image */
+	Pcmdline,	/* command line */
 	Pprocstat,	/* the process's status */
 	Pprocstatus,	/* the process's status (again) */
 	Pmeminfo,	/* memory system statistics */
diff --git a/sys/compat/linprocfs/linprocfs_subr.c b/sys/compat/linprocfs/linprocfs_subr.c
index 47e95c9..6c215cd 100644
--- a/sys/compat/linprocfs/linprocfs_subr.c
+++ b/sys/compat/linprocfs/linprocfs_subr.c
@@ -52,6 +52,7 @@ static struct pfsnode *pfshead;
 static int pfsvplock;
 
 extern int procfs_domem __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
+extern int procfs_docmdline __P((struct proc *, struct proc *, struct pfsnode *pfsp, struct uio *uio));
 
 /*
  * allocate a pfsnode/vnode pair.  the vnode is
@@ -177,6 +178,7 @@ loop:
 
 	case Pprocstat:
 	case Pprocstatus:
+	case Pcmdline:
 		/* fallthrough */
 		
 	case Pmeminfo:
@@ -252,6 +254,9 @@ linprocfs_rw(ap)
 	pfs->pfs_lockowner = curproc->p_pid;
 
 	switch (pfs->pfs_type) {
+	case Pcmdline:
+		rtval = procfs_docmdline(curp, p, pfs, uio);
+		break;
 	case Pmem:
 		rtval = procfs_domem(curp, p, pfs, uio);
 		break;
diff --git a/sys/compat/linprocfs/linprocfs_vnops.c b/sys/compat/linprocfs/linprocfs_vnops.c
index 17e859c..36998bd 100644
--- a/sys/compat/linprocfs/linprocfs_vnops.c
+++ b/sys/compat/linprocfs/linprocfs_vnops.c
@@ -97,8 +97,9 @@ static struct proc_target {
 	/*	  name		type		validp */
 	{ DT_DIR, N("."),	Pproc,		NULL },
 	{ DT_DIR, N(".."),	Proot,		NULL },
-	{ DT_REG, N("mem"),	Pmem,		NULL },
+	{ DT_REG, N("cmdline"), Pcmdline,	NULL },
 	{ DT_LNK, N("exe"),	Pexe,		NULL },
+	{ DT_REG, N("mem"),	Pmem,		NULL },
 	{ DT_REG, N("stat"),	Pprocstat,	NULL },
 	{ DT_REG, N("status"),	Pprocstatus,	NULL },
 #undef N
@@ -549,6 +550,7 @@ linprocfs_getattr(ap)
 		vap->va_gid = KMEM_GROUP;
 		break;
 
+	case Pcmdline:
 	case Pprocstat:
 	case Pprocstatus:
 		vap->va_bytes = vap->va_size = 0;