cosmopolitan/libc/intrin/describeschedpolicy.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"

/**
 * Describes clock_gettime() clock argument.
 */
const char *(DescribeSchedPolicy)(char buf[48], int x) {
  struct DescribeFlags flags[] = {
      {SCHED_RESET_ON_FORK, "RESET_ON_FORK"},  //
      {SCHED_OTHER, "OTHER"},                  //
      {SCHED_FIFO, "FIFO"},                    //
      {SCHED_RR, "RR"},                        //
      {SCHED_BATCH, "BATCH"},                  //
      {SCHED_IDLE, "IDLE"},                    //
      {SCHED_DEADLINE, "DEADLINE"},            //
  };
  return DescribeFlags(buf, 48, flags, ARRAYLEN(flags), "SCHED_", x);
}