4lDO2
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
#include "../test_helpers.h"
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#include "common.h"
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#include <assert.h>
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#include <pthread.h>
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#include <errno.h>
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// Same test logic as test_rwlock_try_write in rustc/library/std/sync/rwlock/tests.rs
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int main(void) {
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int status;
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pthread_rwlock_t rwlock = PTHREAD_RWLOCK_INITIALIZER;
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pthread_rwlockattr_t attr;
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status = pthread_rwlockattr_init(&attr);
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ERROR_IF(pthread_rwlockattr_init, status, != 0);
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// Call setpshared twice to check both constants work.
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status = pthread_rwlockattr_setpshared(&attr, PTHREAD_PROCESS_SHARED);
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ERROR_IF(pthread_rwlockattr_setpshared, status, != 0);
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status = pthread_rwlockattr_setpshared(&attr, PTHREAD_PROCESS_PRIVATE);
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ERROR_IF(pthread_rwlockattr_setpshared, status, != 0);
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status = pthread_rwlock_init(&rwlock, &attr);
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ERROR_IF(pthread_rwlock_init, status, != 0);
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status = pthread_rwlockattr_destroy(&attr);
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ERROR_IF(pthread_rwlockattr_destroy, status, != 0);
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status = pthread_rwlock_rdlock(&rwlock);
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ERROR_IF(pthread_rwlock_rdlock, status, != 0);
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status = pthread_rwlock_trywrlock(&rwlock);
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assert(status == EBUSY);
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status = pthread_rwlock_unlock(&rwlock);
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ERROR_IF(pthread_rwlock_unlock, status, != 0);
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status = pthread_rwlock_destroy(&rwlock);
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ERROR_IF(pthread_rwlock_destroy, status, != 0);
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return 0;
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}
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