diff options
Diffstat (limited to 'ubifs-utils')
| -rw-r--r-- | ubifs-utils/Makemodule.am | 1 | ||||
| -rw-r--r-- | ubifs-utils/common/mutex.h | 18 |
2 files changed, 19 insertions, 0 deletions
diff --git a/ubifs-utils/Makemodule.am b/ubifs-utils/Makemodule.am index 7849114..9f33f0d 100644 --- a/ubifs-utils/Makemodule.am +++ b/ubifs-utils/Makemodule.am @@ -6,6 +6,7 @@ common_SOURCES = \ ubifs-utils/common/bitops.h \ ubifs-utils/common/bitops.c \ ubifs-utils/common/spinlock.h \ + ubifs-utils/common/mutex.h \ ubifs-utils/common/kmem.h \ ubifs-utils/common/kmem.c \ ubifs-utils/common/defs.h \ diff --git a/ubifs-utils/common/mutex.h b/ubifs-utils/common/mutex.h new file mode 100644 index 0000000..4bf018b --- /dev/null +++ b/ubifs-utils/common/mutex.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __LINUX_MUTEX_H_ +#define __LINUX_MUTEX_H_ + +#include <pthread.h> + +struct mutex { + pthread_mutex_t lock; +}; + +#define mutex_init(x) pthread_mutex_init(&(x)->lock, NULL) + +#define mutex_lock(x) pthread_mutex_lock(&(x)->lock) +#define mutex_lock_nested(x, c) pthread_mutex_lock(&(x)->lock) +#define mutex_unlock(x) pthread_mutex_unlock(&(x)->lock) +#define mutex_is_locked(x) (pthread_mutex_trylock(&(x)->lock) == EBUSY) + +#endif |