cosmopolitan/libc/intrin/describeschedpolicy.c
Justine Tunney f2af97711b
Make improvements
- 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
2022-11-10 21:52:47 -08:00

60 lines
2.8 KiB
C

/*-*- 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/fmt/itoa.h"
#include "libc/fmt/magnumstrs.internal.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/macros.internal.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/sched.h"
#ifdef DescribeSchedPolicy
#undef DescribeSchedPolicy
#endif
/**
* Describes clock_gettime() clock argument.
*/
const char *DescribeSchedPolicy(char buf[48], int x) {
char *p = buf;
if (x == -1) {
goto DoNumber;
}
if (x & SCHED_RESET_ON_FORK) {
x &= ~SCHED_RESET_ON_FORK;
p = stpcpy(p, "SCHED_RESET_ON_FORK");
}
if (x == SCHED_OTHER) {
stpcpy(p, "SCHED_OTHER");
} else if (x == SCHED_FIFO) {
stpcpy(p, "SCHED_FIFO");
} else if (x == SCHED_RR) {
stpcpy(p, "SCHED_RR");
} else if (x == SCHED_BATCH) {
stpcpy(p, "SCHED_BATCH");
} else if (x == SCHED_IDLE) {
stpcpy(p, "SCHED_IDLE");
} else if (x == SCHED_DEADLINE) {
stpcpy(p, "SCHED_DEADLINE");
} else {
DoNumber:
FormatInt32(p, x);
}
return buf;
}