1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/*
* mq_send.c - functions for sending to message queue.
*/
#include <errno.h>
#include <stddef.h>
#include <sys/syscall.h>
#include <mqueue.h>
#ifdef __NR_mq_timedsend
#define __NR___syscall_mq_timedsend __NR_mq_timedsend
static inline _syscall5(int, __syscall_mq_timedsend, int, mqdes,
const char *, msg_ptr, size_t, msg_len, unsigned int, msg_prio,
const void *, abs_timeout);
#endif
/*
* Add a message to queue. If O_NONBLOCK is set and queue is full, wait
* for sufficient room in the queue until abs_timeout expires.
*/
attribute_hidden
int __mq_timedsend(mqd_t mqdes, const char *msg_ptr, size_t msg_len,
unsigned int msg_prio,
const struct timespec *abs_timeout)
{
#ifdef __NR_mq_timedsend
return __syscall_mq_timedsend(mqdes, msg_ptr, msg_len, msg_prio, abs_timeout);
#else
errno = ENOSYS;
return -1;
#endif
}
strong_alias(__mq_timedsend,mq_timedsend)
/* Add a message to queue */
int mq_send(mqd_t mqdes, const char *msg_ptr, size_t msg_len,
unsigned int msg_prio)
{
return __mq_timedsend(mqdes, msg_ptr, msg_len, msg_prio, NULL);
}
|
