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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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137
rosapps/applications/net/ncftp/sio/SRecvmsg.c Normal file
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@ -0,0 +1,137 @@
#include "syshdrs.h"
#ifndef NO_SIGNALS
extern volatile Sjmp_buf gNetTimeoutJmp;
extern volatile Sjmp_buf gPipeJmp;
#endif
#ifndef NO_SIGNALS
int
SRecvmsg(int sfd, void *const msg, int fl, int tlen)
{
int nread, tleft;
vsio_sigproc_t sigalrm, sigpipe;
time_t done, now;
if (tlen < 0) {
errno = 0;
for (;;) {
nread = recvmsg(sfd, (struct msghdr *) msg, fl);
if ((nread >= 0) || (errno != EINTR))
return (nread);
}
}
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);
nread = recvmsg(sfd, (struct msghdr *) msg, fl);
(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);
} /* SRecvmsg */
#elif defined(HAVE_RECVMSG)
int
SRecvmsg(int sfd, void *const msg, int fl, int tlen)
{
int nread, tleft;
time_t done, now;
fd_set ss;
struct timeval tv;
int result;
if (tlen < 0) {
errno = 0;
for (;;) {
nread = recvmsg(sfd, (struct msghdr *) msg, fl);
if ((nread >= 0) || (errno != EINTR))
return (nread);
}
}
time(&now);
done = now + tlen;
tleft = (int) (done - now);
forever {
for (;;) {
errno = 0;
FD_ZERO(&ss);
FD_SET(sfd, &ss);
tv.tv_sec = tleft;
tv.tv_usec = 0;
result = select(sfd + 1, SELECT_TYPE_ARG234 &ss, NULL, NULL, SELECT_TYPE_ARG5 &tv);
if (result == 1) {
/* ready */
break;
} else if (result == 0) {
/* timeout */
errno = ETIMEDOUT;
SETWSATIMEOUTERR
return (kTimeoutErr);
} else if (errno != EINTR) {
return (-1);
}
}
nread = recvmsg(sfd, (struct msghdr *) msg, fl);
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;
SETWSATIMEOUTERR
break;
}
}
return (nread);
} /* SRecvmsg */
#endif