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https://github.com/jart/cosmopolitan.git
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f2af97711b
- Improve compatibility with Blink virtual machine - Add non-POSIX APIs for joining threads and signal masks - Never ever use anything except 32-bit integers for atomics - Add some `#undef` statements to workaround `ctags` problems
48 lines
2.8 KiB
C
48 lines
2.8 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/struct/sched_param.h"
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#include "libc/errno.h"
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#include "libc/thread/thread2.h"
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/**
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* Sets thread scheduler parameter attribute, e.g.
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*
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* pthread_t id;
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* pthread_attr_t attr;
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* pthread_attr_init(&attr);
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* struct sched_param pri = {sched_get_priority_min(SCHED_OTHER)};
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* pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED);
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* pthread_attr_setschedpolicy(&attr, SCHED_OTHER);
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* pthread_attr_setschedparam(&attr, &pri);
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* pthread_create(&id, &attr, func, 0);
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* pthread_attr_destroy(&attr);
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* pthread_join(id, 0);
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*
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* @param param specifies priority on scheduling policies that need it
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* @see pthread_attr_setschedpolicy()
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* @see sched_get_priority_min()
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* @see sched_get_priority_max()
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* @see sched_setparam()
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*/
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errno_t pthread_attr_setschedparam(pthread_attr_t *attr,
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const struct sched_param *param) {
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attr->__schedparam = param->sched_priority;
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return 0;
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}
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