65343c788c
done this in ptrace syscall, when a pid is large than PID_MAX, the syscall will search a thread in current process. It permits 1:1 thread library to get and set a thread's scheduler attributes.
117 lines
3.7 KiB
C
117 lines
3.7 KiB
C
#ifndef _P1003_1B_P1003_1B_H_
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#define _P1003_1B_P1003_1B_H_
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/*-
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* Copyright (c) 1996, 1997, 1998
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* HD Associates, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by HD Associates, Inc
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/ioccom.h>
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#include <sys/malloc.h>
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#include <posix4/sched.h>
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/* Generate syscall stubs for when something is optionally
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* loadable as a module. References "syscall_not_present".
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* XXX Good candidate for sys/syscall.h
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*/
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struct proc;
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struct nosys_args;
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extern int syscall_not_present(struct thread *, const char *, struct nosys_args *);
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#define SYSCALL_NOT_PRESENT_GEN(SC) \
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int SC (struct thread *td, struct SC##_args *uap) \
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{ \
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return syscall_not_present(td, #SC , (struct nosys_args *)uap); \
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}
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MALLOC_DECLARE(M_P31B);
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#define p31b_malloc(SIZE) malloc((SIZE), M_P31B, M_WAITOK)
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#define p31b_free(P) free((P), M_P31B)
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int p31b_proc(struct proc *, pid_t, struct proc **);
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void p31b_setcfg(int, int);
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int p31b_getcfg(int);
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int p31b_iscfg(int);
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#ifdef _KPOSIX_PRIORITY_SCHEDULING
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/*
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* KSCHED_OP_RW is a vector of read/write flags for each entry indexed
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* by the enum ksched_op.
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*
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* 1 means you need write access, 0 means read is sufficient.
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*/
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enum ksched_op {
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#define KSCHED_OP_RW { 1, 0, 1, 0, 0, 0, 0, 0 }
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SCHED_SETPARAM,
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SCHED_GETPARAM,
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SCHED_SETSCHEDULER,
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SCHED_GETSCHEDULER,
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SCHED_YIELD,
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SCHED_GET_PRIORITY_MAX,
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SCHED_GET_PRIORITY_MIN,
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SCHED_RR_GET_INTERVAL,
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SCHED_OP_MAX
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};
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struct ksched;
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int ksched_attach(struct ksched **);
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int ksched_detach(struct ksched *);
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int ksched_setparam(struct ksched *,
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struct thread *, const struct sched_param *);
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int ksched_getparam(struct ksched *,
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struct thread *, struct sched_param *);
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int ksched_setscheduler(struct ksched *,
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struct thread *, int, const struct sched_param *);
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int ksched_getscheduler(struct ksched *, struct thread *, int *);
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int ksched_yield(struct ksched *);
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int ksched_get_priority_max(struct ksched *, int, int *);
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int ksched_get_priority_min(struct ksched *, int, int *);
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int ksched_rr_get_interval(struct ksched *,
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struct thread *, struct timespec *);
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#endif /* _KPOSIX_PRIORITY_SCHEDULING */
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#endif /* _P1003_1B_P1003_1B_H_ */
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