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authorPeter S. Mazinger <ps.m@gmx.net>2011-02-27 00:25:56 +0100
committerPeter S. Mazinger <ps.m@gmx.net>2011-03-03 18:22:50 +0100
commit45dafbdb4e221f600895aa70a69e2e306093bd90 (patch)
tree64b4c9695592ae280287e681fa84052d2d4f0b42 /librt/mq_receive.c
parent5ecbf1730329be5e04229fb1ea23f4bc0bc3d2a3 (diff)
fix dependency on ADVANCED_REALTIME
Do not depend on ADVANCED REALTIME for mq_send/mq_receive Added stubs implementation based on libc's stubs.c Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Diffstat (limited to 'librt/mq_receive.c')
-rw-r--r--librt/mq_receive.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/librt/mq_receive.c b/librt/mq_receive.c
index 40447dfb9..26fc45194 100644
--- a/librt/mq_receive.c
+++ b/librt/mq_receive.c
@@ -2,22 +2,23 @@
* mq_receive.c - functions for receiving from message queue.
*/
-#include <errno.h>
-#include <stddef.h>
#include <sys/syscall.h>
+
+#ifdef __NR_mq_timedreceive
+
+#include <stddef.h>
#include <mqueue.h>
-#warning FIXME: hard dependency on ADVANCED REALTIME feature
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
librt_hidden_proto(mq_timedreceive)
+#else
-#ifndef __UCLIBC_HAS_THREADS_NATIVE__
-#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
+# define __NR___syscall_mq_timedreceive __NR_mq_timedreceive
+static _syscall5(int, __syscall_mq_timedreceive, int, mqdes,
+ char *, msg_ptr, size_t, msg_len, unsigned int *,
+ msg_prio, const void *, abs_timeout);
+# ifdef __UCLIBC_HAS_ADVANCED_REALTIME__
/*
* Receive the oldest from highest priority messages.
* Stop waiting if abs_timeout expires.
@@ -26,21 +27,22 @@ ssize_t mq_timedreceive(mqd_t mqdes, char *msg_ptr, size_t msg_len,
unsigned int *msg_prio,
const struct timespec *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
}
+# endif
-librt_hidden_def(mq_timedreceive)
#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)
{
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
return mq_timedreceive(mqdes, msg_ptr, msg_len, msg_prio, NULL);
+#else
+ return __syscall_mq_timedreceive(mqdes, msg_ptr, msg_len, msg_prio, NULL);
+#endif
}
+
+#endif