ssize_t
_sendmsg(int fd, const struct msghdr *msg, int flags)
{
struct pthread *curthread = _get_curthread();
int ret;
if ((ret = _FD_LOCK(fd, FD_WRITE, NULL)) == 0) {
while ((ret = __sys_sendmsg(fd, msg, flags)) < 0) {
if (!(_thread_fd_getflags(fd) & O_NONBLOCK)
&& ((errno == EWOULDBLOCK) || (errno == EAGAIN))) {
curthread->data.fd.fd = fd;
/* Set the timeout: */
_thread_kern_set_timeout(NULL);
curthread->interrupted = 0;
_thread_kern_sched_state(PS_FDW_WAIT, __FILE__, __LINE__);
/* Check if the operation was interrupted: */
if (curthread->interrupted) {
errno = EINTR;
ret = -1;
break;
}
} else {
ret = -1;
break;
}
}
_FD_UNLOCK(fd, FD_WRITE);
}
return (ret);
}
asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, unsigned flags)
{
if (flags & MSG_CMSG_COMPAT)
return -EINVAL;
return __sys_sendmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
}
COMPAT_SYSCALL_DEFINE3(sendmsg, int, fd, struct compat_msghdr __user *, msg, unsigned int, flags)
{
return __sys_sendmsg(fd, (struct user_msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
}