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author | Tom Rhodes <trhodes@FreeBSD.org> | 2006-11-11 16:29:38 +0000 |
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committer | Tom Rhodes <trhodes@FreeBSD.org> | 2006-11-11 16:29:38 +0000 |
commit | 5d02334f972e0aed13a3e387dcec6fe5caffecac (patch) | |
tree | 66a57c2532f996dbbd43d32daa0de87323056b22 /sys/posix4/p1003_1b.c | |
parent | 1877aa1aa78eba8c92b8a32a71ebf3df1fcd2920 (diff) | |
download | src-5d02334f972e0aed13a3e387dcec6fe5caffecac.tar.gz src-5d02334f972e0aed13a3e387dcec6fe5caffecac.zip |
These files have been repo-copied to the "normal" kernel hierarchy.
Notes
Notes:
svn path=/head/; revision=164186
Diffstat (limited to 'sys/posix4/p1003_1b.c')
-rw-r--r-- | sys/posix4/p1003_1b.c | 345 |
1 files changed, 0 insertions, 345 deletions
diff --git a/sys/posix4/p1003_1b.c b/sys/posix4/p1003_1b.c deleted file mode 100644 index 8ed0de53af10..000000000000 --- a/sys/posix4/p1003_1b.c +++ /dev/null @@ -1,345 +0,0 @@ -/*- - * Copyright (c) 1996, 1997, 1998 - * HD Associates, Inc. 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, 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 HD Associates, Inc - * 4. Neither the name of the author nor the names of any co-contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES 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 HD ASSOCIATES 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. - */ - -/* p1003_1b: Real Time common code. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include "opt_posix.h" - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <sys/lock.h> -#include <sys/module.h> -#include <sys/mutex.h> -#include <sys/priv.h> -#include <sys/proc.h> -#include <sys/syscallsubr.h> -#include <sys/sysctl.h> -#include <sys/sysent.h> -#include <sys/syslog.h> -#include <sys/sysproto.h> - -#include <posix4/posix4.h> - -MALLOC_DEFINE(M_P31B, "p1003.1b", "Posix 1003.1B"); - -/* The system calls return ENOSYS if an entry is called that is - * not run-time supported. I am also logging since some programs - * start to use this when they shouldn't. That will be removed if annoying. - */ -int -syscall_not_present(struct thread *td, const char *s, struct nosys_args *uap) -{ - log(LOG_ERR, "cmd %s pid %d tried to use non-present %s\n", - td->td_proc->p_comm, td->td_proc->p_pid, s); - - /* a " return nosys(p, uap); " here causes a core dump. - */ - - return ENOSYS; -} - -#if !defined(_KPOSIX_PRIORITY_SCHEDULING) - -/* Not configured but loadable via a module: - */ - -static int -sched_attach(void) -{ - return 0; -} - -SYSCALL_NOT_PRESENT_GEN(sched_setparam) -SYSCALL_NOT_PRESENT_GEN(sched_getparam) -SYSCALL_NOT_PRESENT_GEN(sched_setscheduler) -SYSCALL_NOT_PRESENT_GEN(sched_getscheduler) -SYSCALL_NOT_PRESENT_GEN(sched_yield) -SYSCALL_NOT_PRESENT_GEN(sched_get_priority_max) -SYSCALL_NOT_PRESENT_GEN(sched_get_priority_min) -SYSCALL_NOT_PRESENT_GEN(sched_rr_get_interval) -#else - -/* Configured in kernel version: - */ -static struct ksched *ksched; - -static int -sched_attach(void) -{ - int ret = ksched_attach(&ksched); - - if (ret == 0) - p31b_setcfg(CTL_P1003_1B_PRIORITY_SCHEDULING, 1); - - return ret; -} - -/* - * MPSAFE - */ -int -sched_setparam(struct thread *td, struct sched_setparam_args *uap) -{ - struct thread *targettd; - struct proc *targetp; - int e; - struct sched_param sched_param; - - e = copyin(uap->param, &sched_param, sizeof(sched_param)); - if (e) - return (e); - - if (uap->pid == 0) { - targetp = td->td_proc; - targettd = td; - PROC_LOCK(targetp); - } else { - targetp = pfind(uap->pid); - if (targetp == NULL) - return (ESRCH); - targettd = FIRST_THREAD_IN_PROC(targetp); - } - - e = p_cansched(td, targetp); - if (e == 0) { - e = ksched_setparam(ksched, targettd, - (const struct sched_param *)&sched_param); - } - PROC_UNLOCK(targetp); - return (e); -} - -/* - * MPSAFE - */ -int -sched_getparam(struct thread *td, struct sched_getparam_args *uap) -{ - int e; - struct sched_param sched_param; - struct thread *targettd; - struct proc *targetp; - - if (uap->pid == 0) { - targetp = td->td_proc; - targettd = td; - PROC_LOCK(targetp); - } else { - targetp = pfind(uap->pid); - if (targetp == NULL) { - return (ESRCH); - } - targettd = FIRST_THREAD_IN_PROC(targetp); /* XXXKSE */ - } - - e = p_cansee(td, targetp); - if (e == 0) { - e = ksched_getparam(ksched, targettd, &sched_param); - } - PROC_UNLOCK(targetp); - if (e == 0) - e = copyout(&sched_param, uap->param, sizeof(sched_param)); - return (e); -} - -/* - * MPSAFE - */ -int -sched_setscheduler(struct thread *td, struct sched_setscheduler_args *uap) -{ - int e; - struct sched_param sched_param; - struct thread *targettd; - struct proc *targetp; - - /* Don't allow non root user to set a scheduler policy. */ - e = priv_check(td, PRIV_SCHED_SET); - if (e) - return (e); - - e = copyin(uap->param, &sched_param, sizeof(sched_param)); - if (e) - return (e); - - if (uap->pid == 0) { - targetp = td->td_proc; - targettd = td; - PROC_LOCK(targetp); - } else { - targetp = pfind(uap->pid); - if (targetp == NULL) - return (ESRCH); - targettd = FIRST_THREAD_IN_PROC(targetp); - } - - e = p_cansched(td, targetp); - if (e == 0) { - e = ksched_setscheduler(ksched, targettd, - uap->policy, (const struct sched_param *)&sched_param); - } - PROC_UNLOCK(targetp); - return (e); -} - -/* - * MPSAFE - */ -int -sched_getscheduler(struct thread *td, struct sched_getscheduler_args *uap) -{ - int e, policy; - struct thread *targettd; - struct proc *targetp; - - if (uap->pid == 0) { - targetp = td->td_proc; - targettd = td; - PROC_LOCK(targetp); - } else { - targetp = pfind(uap->pid); - if (targetp == NULL) { - e = ESRCH; - goto done2; - } - targettd = FIRST_THREAD_IN_PROC(targetp); /* XXXKSE */ - } - - e = p_cansee(td, targetp); - if (e == 0) { - e = ksched_getscheduler(ksched, targettd, &policy); - td->td_retval[0] = policy; - } - PROC_UNLOCK(targetp); - -done2: - return (e); -} - -/* - * MPSAFE - */ -int -sched_yield(struct thread *td, struct sched_yield_args *uap) -{ - - return (ksched_yield(ksched)); -} - -/* - * MPSAFE - */ -int -sched_get_priority_max(struct thread *td, - struct sched_get_priority_max_args *uap) -{ - int error, prio; - - error = ksched_get_priority_max(ksched, uap->policy, &prio); - td->td_retval[0] = prio; - return (error); -} - -/* - * MPSAFE - */ -int -sched_get_priority_min(struct thread *td, - struct sched_get_priority_min_args *uap) -{ - int error, prio; - - error = ksched_get_priority_min(ksched, uap->policy, &prio); - td->td_retval[0] = prio; - return (error); -} - -/* - * MPSAFE - */ -int -sched_rr_get_interval(struct thread *td, - struct sched_rr_get_interval_args *uap) -{ - struct timespec timespec; - int error; - - error = kern_sched_rr_get_interval(td, uap->pid, ×pec); - if (error == 0) - error = copyout(×pec, uap->interval, sizeof(timespec)); - return (error); -} - -int -kern_sched_rr_get_interval(struct thread *td, pid_t pid, - struct timespec *ts) -{ - int e; - struct thread *targettd; - struct proc *targetp; - - if (pid == 0) { - targettd = td; - targetp = td->td_proc; - PROC_LOCK(targetp); - } else { - targetp = td->td_proc; - PROC_LOCK(targetp); - targettd = thread_find(targetp, pid); - if (targettd == NULL) { - PROC_UNLOCK(targetp); - return (ESRCH); - } - } - - e = p_cansee(td, targetp); - if (e == 0) - e = ksched_rr_get_interval(ksched, targettd, ts); - PROC_UNLOCK(targetp); - return (e); -} - -#endif - -static void -p31binit(void *notused) -{ - (void) sched_attach(); - p31b_setcfg(CTL_P1003_1B_PAGESIZE, PAGE_SIZE); -} - -SYSINIT(p31b, SI_SUB_P1003_1B, SI_ORDER_FIRST, p31binit, NULL); |