diff options
Diffstat (limited to 'rt/mqueue.h')
| -rw-r--r-- | rt/mqueue.h | 31 |
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 |