diff options
Diffstat (limited to 'librt/mq_getsetattr.c')
-rw-r--r-- | librt/mq_getsetattr.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/librt/mq_getsetattr.c b/librt/mq_getsetattr.c new file mode 100644 index 000000000..4ffda26ca --- /dev/null +++ b/librt/mq_getsetattr.c @@ -0,0 +1,33 @@ +/* + * mq_getattr.c - get message queue attributes. + */ + +#include <errno.h> +#include <stddef.h> +#include <sys/syscall.h> + +#include <mqueue.h> + +#ifdef __NR_mq_getsetattr + +#define __NR___syscall_mq_getsetattr __NR_mq_getsetattr +static inline _syscall3(int, __syscall_mq_getsetattr, int, mqdes, + const void *, mqstat, void *, omqstat); + +/* + * Set attributes associated with message queue (and possibly also get + * its old attributes) + */ +int mq_setattr(mqd_t mqdes, const struct mq_attr *mqstat, + struct mq_attr *omqstat) +{ + return __syscall_mq_getsetattr(mqdes, mqstat, omqstat); +} + +/* Query status and attributes of message queue */ +int mq_getattr(mqd_t mqdes, struct mq_attr *mqstat) +{ + return mq_setattr(mqdes, NULL, mqstat); +} + +#endif |