mirror of
https://github.com/jart/cosmopolitan.git
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72 lines
3.6 KiB
C
72 lines
3.6 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/dce.h"
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#include "libc/mem/gc.h"
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#include "libc/mem/mem.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/temp.h"
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#include "libc/sysv/consts/clock.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/testlib/testlib.h"
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#include "libc/thread/semaphore.h"
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#include "libc/thread/thread.h"
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pthread_barrier_t barrier;
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char testlib_enable_tmp_setup_teardown;
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void *Worker(void *arg) {
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sem_t *s[2];
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struct timespec ts;
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ASSERT_NE(SEM_FAILED, (s[0] = sem_open("fooz", O_CREAT, 0644)));
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ASSERT_NE(SEM_FAILED, (s[1] = sem_open("barz", O_CREAT, 0644)));
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if (pthread_barrier_wait(&barrier) == PTHREAD_BARRIER_SERIAL_THREAD) {
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if (!IsWindows()) { // :'(
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ASSERT_SYS(0, 0, sem_unlink("fooz"));
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ASSERT_SYS(0, 0, sem_unlink("barz"));
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}
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}
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ASSERT_SYS(0, 0, clock_gettime(CLOCK_REALTIME, &ts));
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ts.tv_sec += 1;
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ASSERT_SYS(0, 0, sem_post(s[0]));
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ASSERT_SYS(0, 0, sem_timedwait(s[1], &ts));
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ASSERT_SYS(0, 0, sem_close(s[1]));
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ASSERT_SYS(0, 0, sem_close(s[0]));
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return 0;
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}
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TEST(sem_open, test) {
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if (IsWindows()) return; // TODO(jart): fix me
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sem_t *s[2];
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int i, r, n = 4;
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pthread_t *t = _gc(malloc(sizeof(pthread_t) * n));
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ASSERT_EQ(0, pthread_barrier_init(&barrier, 0, n));
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ASSERT_NE(SEM_FAILED, (s[0] = sem_open("fooz", O_CREAT, 0644)));
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ASSERT_NE(SEM_FAILED, (s[1] = sem_open("barz", O_CREAT, 0644)));
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for (i = 0; i < n; ++i) ASSERT_EQ(0, pthread_create(t + i, 0, Worker, 0));
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for (i = 0; i < n; ++i) ASSERT_SYS(0, 0, sem_wait(s[0]));
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ASSERT_SYS(0, 0, sem_getvalue(s[0], &r));
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ASSERT_EQ(0, r);
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for (i = 0; i < n; ++i) ASSERT_SYS(0, 0, sem_post(s[1]));
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for (i = 0; i < n; ++i) ASSERT_EQ(0, pthread_join(t[i], 0));
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ASSERT_SYS(0, 0, sem_getvalue(s[1], &r));
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ASSERT_EQ(0, r);
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ASSERT_SYS(0, 0, sem_close(s[1]));
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ASSERT_SYS(0, 0, sem_close(s[0]));
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ASSERT_EQ(0, pthread_barrier_destroy(&barrier));
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}
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