/* * mq_send.c - functions for sending to message queue. */ #include <errno.h> #include <stddef.h> #include <sys/syscall.h> #include <mqueue.h> #warning FIXME: hard dependency on ADVANCED REALTIME feature librt_hidden_proto(mq_timedsend) #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. */ 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 } librt_hidden_def(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); }