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/* ISC license. */
#include <skalibs/nonposix.h>
#include <sys/socket.h>
#include <errno.h>
#include <skalibs/error.h>
#include <skalibs/iopause.h>
#include <skalibs/siovec.h>
#include <skalibs/unix-timed.h>
#include <skalibs/posixishard.h>
int ipc_timed_sendv (int fd, struct iovec const *v, unsigned int n, tain const *deadline, tain *stamp)
{
struct msghdr hdr =
{
.msg_name = 0,
.msg_namelen = 0,
.msg_iov = (struct iovec *)v,
.msg_iovlen = n,
.msg_control = 0,
.msg_controllen = 0,
.msg_flags = 0
} ;
size_t len = siovec_len(v, n) ;
iopause_fd x = { .fd = fd, .events = IOPAUSE_WRITE, .revents = 0 } ;
for (;;)
{
int r = iopause_stamp(&x, 1, deadline, stamp) ;
if (r < 0) return 0 ;
else if (!r) return (errno = ETIMEDOUT, 0) ;
else if (x.revents & IOPAUSE_WRITE)
{
if (sendmsg(fd, &hdr, MSG_NOSIGNAL) == (ssize_t)len) break ;
if (!error_isagain(errno)) return 0 ;
}
else if (x.revents & IOPAUSE_EXCEPT) return (sendmsg(fd, &hdr, MSG_NOSIGNAL) == (ssize_t)len) ;
}
return 1 ;
}
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