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Add more POSIX threads APIs

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Justine Tunney 2022-09-09 11:30:33 -07:00
parent 1729a8259c
commit c3208eb9d5
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32 changed files with 592 additions and 87 deletions
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48
libc/thread/pthread_setschedparam_freebsd.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/struct/sched_param.h"
#include "libc/sysv/consts/sched.h"
#include "libc/thread/freebsd.internal.h"
#include "libc/thread/posixthread.internal.h"
#include "libc/thread/thread.h"
#define RTP_SET_FREEBSD 1
#define PRI_REALTIME_FREEBSD 2
#define RTP_PRIO_MAX_FREEBSD 31
#define PRI_FIFO_BIT_FREEBSD 8
#define PRI_FIFO_FREEBSD (PRI_REALTIME_FREEBSD | PRI_FIFO_BIT_FREEBSD)
#define PRI_TIMESHARE_FREEBSD 3
int rtprio_thread(int fun, int tid, struct rtprio *inout_rtp);
int _pthread_setschedparam_freebsd(int tid, int policy,
const struct sched_param *param) {
struct rtprio rtp;
if (policy == SCHED_RR) {
rtp.type = PRI_REALTIME_FREEBSD;
rtp.prio = RTP_PRIO_MAX_FREEBSD - param->sched_priority;
} else if (policy == SCHED_FIFO) {
rtp.type = PRI_FIFO_FREEBSD;
rtp.prio = RTP_PRIO_MAX_FREEBSD - param->sched_priority;
} else {
rtp.type = PRI_TIMESHARE_FREEBSD;
rtp.prio = 0;
}
return rtprio_thread(RTP_SET_FREEBSD, tid, &rtp);
}