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Diffstat (limited to 'librt/mq_receive.c')
-rw-r--r--librt/mq_receive.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/librt/mq_receive.c b/librt/mq_receive.c
index 4dd81f5e7..8726bbe64 100644
--- a/librt/mq_receive.c
+++ b/librt/mq_receive.c
@@ -9,11 +9,11 @@
#include <mqueue.h>
#ifdef __NR_mq_timedreceive
-
#define __NR___syscall_mq_timedreceive __NR_mq_timedreceive
static inline _syscall5(int, __syscall_mq_timedreceive, int, mqdes,
char *, msg_ptr, size_t, msg_len, unsigned int *, msg_prio,
const void *, abs_timeout);
+#endif
/*
* Receive the oldest from highest priority messages.
@@ -23,14 +23,17 @@ ssize_t mq_timedreceive(mqd_t mqdes, char *msg_ptr, size_t msg_len,
unsigned int *msg_prio,
const struct timespec *abs_timeout)
{
- return __syscall_mq_timedreceive(mqdes, msg_ptr, msg_len, msg_prio, abs_timeout);
+#ifdef __NR_mq_timedreceive
+ return __syscall_mq_timedreceive(mqdes, msg_ptr, msg_len, msg_prio, abs_timeout);
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
}
/* Receive the oldest from highest priority messages */
ssize_t mq_receive(mqd_t mqdes, char *msg_ptr, size_t msg_len,
unsigned int *msg_prio)
{
- return mq_timedreceive(mqdes, msg_ptr, msg_len, msg_prio, NULL);
+ return mq_timedreceive(mqdes, msg_ptr, msg_len, msg_prio, NULL);
}
-
-#endif