reactos/modules/rosapps/applications/net/ncftp/sio/USendto.c

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#include "syshdrs.h"
#if !defined(NO_UNIX_DOMAIN_SOCKETS) && !defined(NO_SIGNALS)
extern volatile Sjmp_buf gNetTimeoutJmp;
extern volatile Sjmp_buf gPipeJmp;
int
USendto(int sfd, const char *const buf, size_t size, int fl, const struct sockaddr_un *const toAddr, int ualen, int tlen)
{
int nwrote, tleft;
vsio_sigproc_t sigalrm, sigpipe;
time_t done, now;
if (SSetjmp(gNetTimeoutJmp) != 0) {
alarm(0);
(void) SSignal(SIGALRM, (sio_sigproc_t) sigalrm);
(void) SSignal(SIGPIPE, (sio_sigproc_t) sigpipe);
errno = ETIMEDOUT;
return (kTimeoutErr);
}
if (SSetjmp(gPipeJmp) != 0) {
alarm(0);
(void) SSignal(SIGALRM, (sio_sigproc_t) sigalrm);
(void) SSignal(SIGPIPE, (sio_sigproc_t) sigpipe);
errno = EPIPE;
return (kBrokenPipeErr);
}
sigalrm = (vsio_sigproc_t) SSignal(SIGALRM, SIOHandler);
sigpipe = (vsio_sigproc_t) SSignal(SIGPIPE, SIOHandler);
time(&now);
done = now + tlen;
tleft = (int) (done - now);
forever {
(void) alarm((unsigned int) tleft);
nwrote = sendto(sfd, buf, size, fl,
(struct sockaddr *) toAddr, ualen);
(void) alarm(0);
if (nwrote >= 0)
break;
if (errno != EINTR)
break; /* Fatal error. */
errno = 0;
time(&now);
tleft = (int) (done - now);
if (tleft < 1) {
nwrote = kTimeoutErr;
errno = ETIMEDOUT;
break;
}
}
(void) SSignal(SIGALRM, (sio_sigproc_t) sigalrm);
(void) SSignal(SIGPIPE, (sio_sigproc_t) sigpipe);
return (nwrote);
} /* USendto */
#endif