2022-09-09 18:30:33 +00:00
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/*-*- 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/sysv/consts/sched.h"
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#include "libc/thread/freebsd.internal.h"
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#include "libc/thread/posixthread.internal.h"
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#define RTP_SET_FREEBSD 1
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#define PRI_REALTIME_FREEBSD 2
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#define RTP_PRIO_MAX_FREEBSD 31
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#define PRI_FIFO_BIT_FREEBSD 8
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#define PRI_FIFO_FREEBSD (PRI_REALTIME_FREEBSD | PRI_FIFO_BIT_FREEBSD)
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#define PRI_TIMESHARE_FREEBSD 3
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2022-09-13 18:20:35 +00:00
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int sys_rtprio_thread(int fun, int tid, struct rtprio *inout_rtp);
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2022-09-09 18:30:33 +00:00
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int _pthread_setschedparam_freebsd(int tid, int policy,
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const struct sched_param *param) {
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struct rtprio rtp;
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if (policy == SCHED_RR) {
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rtp.type = PRI_REALTIME_FREEBSD;
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rtp.prio = RTP_PRIO_MAX_FREEBSD - param->sched_priority;
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} else if (policy == SCHED_FIFO) {
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rtp.type = PRI_FIFO_FREEBSD;
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rtp.prio = RTP_PRIO_MAX_FREEBSD - param->sched_priority;
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} else {
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rtp.type = PRI_TIMESHARE_FREEBSD;
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rtp.prio = 0;
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}
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2022-09-13 18:20:35 +00:00
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return sys_rtprio_thread(RTP_SET_FREEBSD, tid, &rtp);
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2022-09-09 18:30:33 +00:00
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}
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