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/*
pthreads mutexes
*/
#include "imageri.h"
#include <pthread.h>
#include <errno.h>
/* documented in mutexwin.c */
struct i_mutex_tag {
pthread_mutex_t mutex;
};
i_mutex_t
i_mutex_new(void) {
i_mutex_t m;
m = malloc(sizeof(*m));
if (!m)
i_fatal(3, "Cannot allocate mutex object");
if (pthread_mutex_init(&m->mutex, NULL) != 0) {
i_fatal(3, "Error initializing mutex %d", errno);
}
return m;
}
void
i_mutex_destroy(i_mutex_t m) {
pthread_mutex_destroy(&(m->mutex));
free(m);
}
void
i_mutex_lock(i_mutex_t m) {
pthread_mutex_lock(&(m->mutex));
}
void
i_mutex_unlock(i_mutex_t m) {
pthread_mutex_unlock(&m->mutex);
}
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