Add sched_get/setaffinity(3)
for compatibility with Linux. Reviewed by: jhb Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D32901
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@ -43,4 +43,11 @@ typedef struct _cpuset cpu_set_t;
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#endif /* _WITH_CPU_SET_T */
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#endif /* _WITH_CPU_SET_T */
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#endif /* __BSD_VISIBLE */
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#endif /* __BSD_VISIBLE */
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__BEGIN_DECLS
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#if __BSD_VISIBLE
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int sched_getaffinity(pid_t pid, size_t cpusetsz, cpuset_t *cpuset);
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int sched_setaffinity(int pid, size_t cpusetsz, const cpuset_t *cpuset);
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#endif /* __BSD_VISIBLE */
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__END_DECLS
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#endif /* __SCHED_H__ */
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#endif /* __SCHED_H__ */
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@ -123,6 +123,8 @@ SRCS+= __getosreldate.c \
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scandir.c \
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scandir.c \
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scandir_b.c \
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scandir_b.c \
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scandir-compat11.c \
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scandir-compat11.c \
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sched_getaffinity.c \
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sched_setaffinity.c \
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seed48.c \
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seed48.c \
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seekdir.c \
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seekdir.c \
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semctl.c \
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semctl.c \
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@ -435,6 +435,11 @@ FBSD_1.6 {
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tcsetwinsize;
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tcsetwinsize;
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};
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};
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FBSD_1.7 {
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sched_getaffinity;
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sched_setaffinity;
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};
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FBSDprivate_1.0 {
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FBSDprivate_1.0 {
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/* needed by thread libraries */
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/* needed by thread libraries */
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__thr_jtable;
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__thr_jtable;
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36
lib/libc/gen/sched_getaffinity.c
Normal file
36
lib/libc/gen/sched_getaffinity.c
Normal file
@ -0,0 +1,36 @@
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/*-
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* Copyright (c) 2021 The FreeBSD Foundation
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*
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* This software were developed by Konstantin Belousov <kib@FreeBSD.org>
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* under sponsorship from the FreeBSD Foundation.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR 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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#include <sched.h>
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int
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sched_getaffinity(pid_t pid, size_t cpusetsz, cpuset_t *cpuset)
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{
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return (cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, pid,
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cpusetsz, cpuset));
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}
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36
lib/libc/gen/sched_setaffinity.c
Normal file
36
lib/libc/gen/sched_setaffinity.c
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@ -0,0 +1,36 @@
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/*-
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* Copyright (c) 2021 The FreeBSD Foundation
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*
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* This software were developed by Konstantin Belousov <kib@FreeBSD.org>
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* under sponsorship from the FreeBSD Foundation.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR 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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#include <sched.h>
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int
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sched_setaffinity(pid_t pid, size_t cpusetsz, const cpuset_t *cpuset)
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{
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return (cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, pid,
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cpusetsz, cpuset));
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}
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