#include "mutex.h"
#include "arch/arch.h"
#include "os/os.h"
+#include "helpers.h"
void fio_mutex_remove(struct fio_mutex *mutex)
{
return NULL;
}
+#ifdef FIO_HAVE_FALLOCATE
+ posix_fallocate(fd, 0, sizeof(struct fio_mutex));
+#endif
+
if (ftruncate(fd, sizeof(struct fio_mutex)) < 0) {
perror("ftruncate mutex");
goto err;
log_err("pthread_mutexattr_init: %s\n", strerror(ret));
goto err;
}
+#ifdef FIO_HAVE_PSHARED_MUTEX
ret = pthread_mutexattr_setpshared(&attr, mflag);
if (ret) {
log_err("pthread_mutexattr_setpshared: %s\n", strerror(ret));
goto err;
}
+#endif
pthread_condattr_init(&cond);
+#ifdef FIO_HAVE_PSHARED_MUTEX
pthread_condattr_setpshared(&cond, mflag);
+#endif
pthread_cond_init(&mutex->cond, &cond);
ret = pthread_mutex_init(&mutex->lock, &attr);
goto err;
}
+ pthread_condattr_destroy(&cond);
+ pthread_mutexattr_destroy(&attr);
+
return mutex;
err:
if (mutex)