diff options
Diffstat (limited to 'sys/sys/kse.h')
| -rw-r--r-- | sys/sys/kse.h | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/sys/sys/kse.h b/sys/sys/kse.h deleted file mode 100644 index 9eb5449..0000000 --- a/sys/sys/kse.h +++ /dev/null @@ -1,135 +0,0 @@ -/*- - * Copyright (C) 2001 Julian Elischer <julian@freebsd.org> - * for the FreeBSD Foundation. - * - * All rights reserved. - * - * 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(s), this list of conditions and the following disclaimer as - * the first lines of this file unmodified other than the possible - * addition of one or more copyright notices. - * 2. Redistributions in binary form must reproduce the above copyright - * notice(s), this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``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 COPYRIGHT HOLDER(S) 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. - * - * $FreeBSD$ - */ - -#ifndef _SYS_KSE_H_ -#define _SYS_KSE_H_ - -#include <sys/ucontext.h> -#include <sys/time.h> -#include <sys/signal.h> - -/* - * This file defines the structures needed for communication between - * the userland and the kernel when running a KSE-based threading system. - * The only programs that should see this file are the user thread - * scheduler (UTS) and the kernel. - */ -struct kse_mailbox; - -typedef void kse_func_t(struct kse_mailbox *); - -/* - * Thread mailbox. - * - * This describes a user thread to the kernel scheduler. - */ -struct kse_thr_mailbox { - ucontext_t tm_context; /* User and machine context */ - uint32_t tm_flags; /* Thread flags */ - struct kse_thr_mailbox *tm_next; /* Next thread in list */ - void *tm_udata; /* For use by the UTS */ - uint32_t tm_uticks; /* Time in userland */ - uint32_t tm_sticks; /* Time in kernel */ - siginfo_t tm_syncsig; - uint32_t tm_dflags; /* Debug flags */ - lwpid_t tm_lwp; /* kernel thread UTS runs on */ - uint32_t __spare__[6]; -}; - -/* - * KSE mailbox. - * - * Communication path between the UTS and the kernel scheduler specific to - * a single KSE. - */ -struct kse_mailbox { - uint32_t km_version; /* Mailbox version */ - struct kse_thr_mailbox *km_curthread; /* Currently running thread */ - struct kse_thr_mailbox *km_completed; /* Threads back from kernel */ - sigset_t km_sigscaught; /* Caught signals */ - uint32_t km_flags; /* Mailbox flags */ - kse_func_t *km_func; /* UTS function */ - stack_t km_stack; /* UTS stack */ - void *km_udata; /* For use by the UTS */ - struct timespec km_timeofday; /* Time of day */ - uint32_t km_quantum; /* Upcall quantum in msecs */ - lwpid_t km_lwp; /* kernel thread UTS runs on */ - uint32_t __spare2__[7]; -}; - -#define KSE_VER_0 0 -#define KSE_VERSION KSE_VER_0 - -/* These flags are kept in km_flags */ -#define KMF_NOUPCALL 0x01 -#define KMF_NOCOMPLETED 0x02 -#define KMF_DONE 0x04 -#define KMF_BOUND 0x08 -#define KMF_WAITSIGEVENT 0x10 - -/* These flags are kept in tm_flags */ -#define TMF_NOUPCALL 0x01 - -/* These flags are kept in tm_dlfags */ -#define TMDF_SSTEP 0x01 -#define TMDF_SUSPEND 0x02 - -/* Flags for kse_switchin */ -#define KSE_SWITCHIN_SETTMBX 0x01 - -/* Commands for kse_thr_interrupt */ -#define KSE_INTR_INTERRUPT 1 -#define KSE_INTR_RESTART 2 -#define KSE_INTR_SENDSIG 3 -#define KSE_INTR_SIGEXIT 4 -#define KSE_INTR_DBSUSPEND 5 -#define KSE_INTR_EXECVE 6 - -struct kse_execve_args { - sigset_t sigmask; - sigset_t sigpend; - char *path; - char **argv; - char **envp; - void *reserved; -}; - -#ifndef _KERNEL -int kse_create(struct kse_mailbox *, int); -int kse_exit(void); -int kse_release(struct timespec *); -int kse_thr_interrupt(struct kse_thr_mailbox *, int, long); -int kse_wakeup(struct kse_mailbox *); -int kse_switchin(struct kse_thr_mailbox *, int flags); -#endif /* !_KERNEL */ - -#endif /* !_SYS_KSE_H_ */ |
