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48 lines
1.2 KiB
48 lines
1.2 KiB
4 months ago
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// RUN: %clang_tsan -O1 %s -o %t -lrt && %run %t 2>&1 | FileCheck %s
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// Test that pthread_cond is properly intercepted,
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// previously there were issues with versioned symbols.
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// CHECK: OK
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// OS X doesn't have pthread_condattr_setclock.
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// UNSUPPORTED: darwin
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#include <stdio.h>
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#include <stdlib.h>
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#include <pthread.h>
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#include <time.h>
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#include <errno.h>
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int main() {
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typedef unsigned long long u64;
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pthread_mutex_t m;
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pthread_cond_t c;
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pthread_condattr_t at;
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struct timespec ts0, ts1, ts2;
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int res;
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u64 sleep;
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pthread_mutex_init(&m, 0);
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pthread_condattr_init(&at);
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pthread_condattr_setclock(&at, CLOCK_MONOTONIC);
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pthread_cond_init(&c, &at);
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clock_gettime(CLOCK_MONOTONIC, &ts0);
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ts1 = ts0;
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ts1.tv_sec += 2;
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pthread_mutex_lock(&m);
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do {
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res = pthread_cond_timedwait(&c, &m, &ts1);
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} while (res == 0);
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pthread_mutex_unlock(&m);
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clock_gettime(CLOCK_MONOTONIC, &ts2);
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sleep = (u64)ts2.tv_sec * 1000000000 + ts2.tv_nsec -
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((u64)ts0.tv_sec * 1000000000 + ts0.tv_nsec);
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if (res != ETIMEDOUT)
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exit(printf("bad return value %d, want %d\n", res, ETIMEDOUT));
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if (sleep < 1000000000)
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exit(printf("bad sleep duration %lluns, want %dns\n", sleep, 1000000000));
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fprintf(stderr, "OK\n");
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}
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