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/* This file is part of Mailfromd.
Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Sergey
Poznyakoff
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include "libmf.h"
#include <mailutils/mailutils.h>
void
init_timeout_ctl(struct timeout_ctl *tctl, time_t timeout)
{
tctl->start = time(NULL);
tctl->timeout = timeout;
}
int
mf_stream_wait(mu_stream_t stream, int flags, struct timeout_ctl *tctl)
{
int rc;
int oflags = flags;
struct timeval tv;
while (tctl->timeout) {
tv.tv_sec = tctl->timeout;
tv.tv_usec = 0;
rc = mu_stream_wait(stream, &oflags, &tv);
/* Correct the timeout */
UPDATE_TTW(*tctl);
switch (rc) {
case 0:
if (flags & oflags)
return 0;
/* FALLTHROUGH */
case EAGAIN:
case EINPROGRESS:
continue;
default:
return rc;
}
}
return ETIMEDOUT;
}
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