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- Start rosapps rearrange and cleanup process.

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svn path=/trunk/; revision=34303
This commit is contained in:
Aleksey Bragin 2008-07-05 11:46:22 +00:00
parent 0a0a13a41c
commit 2012315e5a
1206 changed files with 81 additions and 81 deletions
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63
rosapps/applications/net/ncftp/sio/URecvfrom.c Normal file
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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
URecvfrom(int sfd, char *const buf, size_t size, int fl, struct sockaddr_un *const fromAddr, int *ualen, int tlen)
{
int nread, 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 {
*ualen = sizeof(struct sockaddr_un);
(void) alarm((unsigned int) tleft);
nread = recvfrom(sfd, buf, size, fl,
(struct sockaddr *) fromAddr, ualen);
(void) alarm(0);
if (nread >= 0)
break;
if (errno != EINTR)
break; /* Fatal error. */
errno = 0;
time(&now);
tleft = (int) (done - now);
if (tleft < 1) {
nread = kTimeoutErr;
errno = ETIMEDOUT;
break;
}
}
(void) SSignal(SIGALRM, (sio_sigproc_t) sigalrm);
(void) SSignal(SIGPIPE, (sio_sigproc_t) sigpipe);
return (nread);
} /* URecvfrom */
#endif