X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=mutex.c;h=c1ce2a3e8740de808e70076a141b642646f9087f;hp=a44743745ab43d18b8342a67598b4977c1e43557;hb=03e20d687566753b90383571e5e152c5142bdffd;hpb=656b1393d43f9f22738404582ea14dec956aea83;ds=sidebyside

diff --git a/mutex.c b/mutex.c
index a4474374..c1ce2a3e 100644
--- a/mutex.c
+++ b/mutex.c
@@ -11,6 +11,7 @@
 #include "mutex.h"
 #include "arch/arch.h"
 #include "os/os.h"
+#include "helpers.h"
 
 void fio_mutex_remove(struct fio_mutex *mutex)
 {
@@ -32,6 +33,14 @@ struct fio_mutex *fio_mutex_init(int value)
 		return NULL;
 	}
 
+#ifdef FIO_HAVE_FALLOCATE
+	ret = posix_fallocate(fd, 0, sizeof(struct fio_mutex));
+	if (ret > 0) {
+		fprintf(stderr, "posix_fallocate mutex failed: %s\n", strerror(ret));
+		goto err;
+	}
+#endif
+
 	if (ftruncate(fd, sizeof(struct fio_mutex)) < 0) {
 		perror("ftruncate mutex");
 		goto err;
@@ -64,14 +73,18 @@ struct fio_mutex *fio_mutex_init(int value)
 		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);
@@ -80,6 +93,9 @@ struct fio_mutex *fio_mutex_init(int value)
 		goto err;
 	}
 
+	pthread_condattr_destroy(&cond);
+	pthread_mutexattr_destroy(&attr);
+
 	return mutex;
 err:
 	if (mutex)