| /** Test interception of the various pthread_timed*lock() and pthread_try*lock() |
| * functions. If any of these are not intercepted, an error message will be |
| * printed at unlock time. |
| */ |
| |
| |
| /* Needed for older glibc's (2.3 and older, at least) who don't |
| otherwise "know" about pthread_rwlock_anything or about |
| PTHREAD_MUTEX_RECURSIVE (amongst things). */ |
| |
| #define _GNU_SOURCE 1 |
| |
| #include <stdio.h> |
| #include <assert.h> |
| #include <pthread.h> |
| |
| |
| int main(int argc, char** argv) |
| { |
| int r; |
| pthread_mutex_t mutex; |
| pthread_rwlock_t rwlock; |
| struct timespec abs_timeout; |
| |
| r = clock_gettime(CLOCK_REALTIME, &abs_timeout); assert(r == 0); |
| abs_timeout.tv_sec += 10; |
| |
| r = pthread_rwlock_init(&rwlock, NULL); assert(r == 0); |
| fprintf(stderr, "Locking rwlock via pthread_rwlock_wrlock().\n"); |
| r = pthread_rwlock_wrlock(&rwlock); assert(r == 0); |
| r = pthread_rwlock_unlock(&rwlock); assert(r == 0); |
| fprintf(stderr, "Locking rwlock via pthread_rwlock_trywrlock().\n"); |
| r = pthread_rwlock_trywrlock(&rwlock); assert(r == 0); |
| r = pthread_rwlock_unlock(&rwlock); assert(r == 0); |
| fprintf(stderr, "Locking rwlock via pthread_rwlock_timedwrlock().\n"); |
| r = pthread_rwlock_timedwrlock(&rwlock, &abs_timeout); assert(r == 0); |
| r = pthread_rwlock_unlock(&rwlock); assert(r == 0); |
| fprintf(stderr, "Locking rwlock via pthread_rwlock_rdlock().\n"); |
| r = pthread_rwlock_rdlock(&rwlock); assert(r == 0); |
| r = pthread_rwlock_rdlock(&rwlock); assert(r == 0); |
| r = pthread_rwlock_rdlock(&rwlock); assert(r == 0); |
| r = pthread_rwlock_unlock(&rwlock); assert(r == 0); |
| r = pthread_rwlock_unlock(&rwlock); assert(r == 0); |
| r = pthread_rwlock_unlock(&rwlock); assert(r == 0); |
| fprintf(stderr, "Locking rwlock via pthread_rwlock_tryrdlock().\n"); |
| r = pthread_rwlock_tryrdlock(&rwlock); assert(r == 0); |
| r = pthread_rwlock_unlock(&rwlock); assert(r == 0); |
| fprintf(stderr, "Locking rwlock via pthread_rwlock_timedrdlock().\n"); |
| r = pthread_rwlock_timedrdlock(&rwlock, &abs_timeout); assert(r == 0); |
| r = pthread_rwlock_unlock(&rwlock); assert(r == 0); |
| fprintf(stderr, "Attempt to lock for writing recursively (not allowed).\n"); |
| r = pthread_rwlock_wrlock(&rwlock); assert(r == 0); |
| r = pthread_rwlock_wrlock(&rwlock); assert(r != 0); |
| r = pthread_rwlock_unlock(&rwlock); assert(r == 0); |
| r = pthread_rwlock_destroy(&rwlock); assert(r == 0); |
| |
| r = pthread_mutex_init(&mutex, NULL); assert(r == 0); |
| fprintf(stderr, "Locking mutex via pthread_mutex_trylock().\n"); |
| r = pthread_mutex_trylock(&mutex); assert(r == 0); |
| r = pthread_mutex_unlock(&mutex); assert(r == 0); |
| fprintf(stderr, "Locking mutex via pthread_mutex_lock().\n"); |
| r = pthread_mutex_lock(&mutex); assert(r == 0); |
| r = pthread_mutex_unlock(&mutex); assert(r == 0); |
| fprintf(stderr, "Locking mutex via pthread_mutex_timedlock().\n"); |
| r = pthread_mutex_timedlock(&mutex, &abs_timeout); assert(r == 0); |
| r = pthread_mutex_unlock(&mutex); assert(r == 0); |
| r = pthread_mutex_destroy(&mutex); assert(r == 0); |
| |
| return 0; |
| } |