/**
* @brief Get the kind of a pthread read/write lock attributes object.
* @see pthread_rwlockattr_getkind_np()
* @param attr a pointer to the read/write lock attributes object to be queried.
* @param pref a pointer to an integer that will receive the kind of the read/write lock.
* @return 0 on success or an error number on failure.
*/
int rwlock_attr_getkind(pthread_rwlockattr_t *attr, int *pref) {
#ifdef MAGMA_PEDANTIC
int result = pthread_rwlockattr_getkind_np(attr, pref);
if (result) log_pedantic("Could not get the read/write lock attribute preference. {pthread_rwlockattr_getkind_np = %i}", result);
return result;
#else
return pthread_rwlockattr_getkind_np(attr, pref);
#endif
}
TEST(pthread, pthread_rwlockattr_smoke) {
pthread_rwlockattr_t attr;
ASSERT_EQ(0, pthread_rwlockattr_init(&attr));
int pshared_value_array[] = {PTHREAD_PROCESS_PRIVATE, PTHREAD_PROCESS_SHARED};
for (size_t i = 0; i < sizeof(pshared_value_array) / sizeof(pshared_value_array[0]); ++i) {
ASSERT_EQ(0, pthread_rwlockattr_setpshared(&attr, pshared_value_array[i]));
int pshared;
ASSERT_EQ(0, pthread_rwlockattr_getpshared(&attr, &pshared));
ASSERT_EQ(pshared_value_array[i], pshared);
}
int kind_array[] = {PTHREAD_RWLOCK_PREFER_READER_NP,
PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP};
for (size_t i = 0; i < sizeof(kind_array) / sizeof(kind_array[0]); ++i) {
ASSERT_EQ(0, pthread_rwlockattr_setkind_np(&attr, kind_array[i]));
int kind;
ASSERT_EQ(0, pthread_rwlockattr_getkind_np(&attr, &kind));
ASSERT_EQ(kind_array[i], kind);
}
ASSERT_EQ(0, pthread_rwlockattr_destroy(&attr));
}
