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#include <stdlib.h>
#include <pthread.h>
/* Creating a locked mutex */
pthread_mutex_t*
mutex_create() {
pthread_mutex_t* mu;
if(!(mu = malloc(sizeof(pthread_mutex_t)))) {
return NULL;
}
if(pthread_mutex_init(mu, NULL) != 0) {
free(mu);
return NULL;
}
pthread_mutex_trylock(mu);
return mu;
}
/* Destroy a mutex created by mutex_create */
void
mutex_destroy(pthread_mutex_t* mu) {
if(mu) {
pthread_mutex_unlock(mu);
pthread_mutex_destroy(mu);
}
}
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