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-rw-r--r--rt/mqueue.h31
1 files changed, 18 insertions, 13 deletions
diff --git a/rt/mqueue.h b/rt/mqueue.h
index 1ccad5bbad..d8c5e43f64 100644
--- a/rt/mqueue.h
+++ b/rt/mqueue.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -38,37 +38,40 @@ __BEGIN_DECLS
argument is taken as `struct mq_attr *', pointer to message queue
attributes. If the fourth argument is NULL, default attributes are
used. */
-extern mqd_t mq_open (const char *__name, int __oflag, ...) __THROW;
+extern mqd_t mq_open (__const char *__name, int __oflag, ...)
+ __THROW __nonnull ((1));
/* Removes the association between message queue descriptor MQDES and its
message queue. */
extern int mq_close (mqd_t __mqdes) __THROW;
/* Query status and attributes of message queue MQDES. */
-extern int mq_getattr (mqd_t __mqdes, struct mq_attr *__mqstat) __THROW;
+extern int mq_getattr (mqd_t __mqdes, struct mq_attr *__mqstat)
+ __THROW __nonnull ((2));
/* Set attributes associated with message queue MQDES and if OMQSTAT is
not NULL also query its old attributes. */
extern int mq_setattr (mqd_t __mqdes,
- const struct mq_attr *__restrict __mqstat,
- struct mq_attr *__restrict __omqstat) __THROW;
+ __const struct mq_attr *__restrict __mqstat,
+ struct mq_attr *__restrict __omqstat)
+ __THROW __nonnull ((2));
/* Remove message queue named NAME. */
-extern int mq_unlink (const char *__name) __THROW;
+extern int mq_unlink (__const char *__name) __THROW __nonnull ((1));
/* Register notification issued upon message arrival to an empty
message queue MQDES. */
-extern int mq_notify (mqd_t __mqdes, const struct sigevent *__notification)
+extern int mq_notify (mqd_t __mqdes, __const struct sigevent *__notification)
__THROW;
/* Receive the oldest from highest priority messages in message queue
MQDES. */
extern ssize_t mq_receive (mqd_t __mqdes, char *__msg_ptr, size_t __msg_len,
- unsigned int *__msg_prio);
+ unsigned int *__msg_prio) __nonnull ((2));
/* Add message pointed by MSG_PTR to message queue MQDES. */
-extern int mq_send (mqd_t __mqdes, const char *__msg_ptr, size_t __msg_len,
- unsigned int __msg_prio);
+extern int mq_send (mqd_t __mqdes, __const char *__msg_ptr, size_t __msg_len,
+ unsigned int __msg_prio) __nonnull ((2));
#ifdef __USE_XOPEN2K
/* Receive the oldest from highest priority messages in message queue
@@ -76,13 +79,15 @@ extern int mq_send (mqd_t __mqdes, const char *__msg_ptr, size_t __msg_len,
extern ssize_t mq_timedreceive (mqd_t __mqdes, char *__restrict __msg_ptr,
size_t __msg_len,
unsigned int *__restrict __msg_prio,
- const struct timespec *__restrict __abs_timeout);
+ __const struct timespec *__restrict __abs_timeout)
+ __nonnull ((1, 4));
/* Add message pointed by MSG_PTR to message queue MQDES, stop blocking
on full message queue if ABS_TIMEOUT expires. */
-extern int mq_timedsend (mqd_t __mqdes, const char *__msg_ptr,
+extern int mq_timedsend (mqd_t __mqdes, __const char *__msg_ptr,
size_t __msg_len, unsigned int __msg_prio,
- const struct timespec *__abs_timeout);
+ __const struct timespec *__abs_timeout)
+ __nonnull ((1, 4));
#endif
__END_DECLS