elemental-ircd/libratbox/src/unix.c

103 lines
2.4 KiB
C

/*
* ircd-ratbox: A slightly useful ircd.
* unix.c: various unix type functions
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
* Copyright (C) 2005 ircd-ratbox development team
* Copyright (C) 2005 Aaron Sethman <androsyn@ratbox.org>
*
* 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 2 of the License, 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*
* $Id: unix.c 25038 2008-01-23 16:03:08Z androsyn $
*/
#include <libratbox_config.h>
#include <ratbox_lib.h>
#ifndef WINDOWS
#if defined(HAVE_SPAWN_H) && defined(HAVE_POSIX_SPAWN)
#include <spawn.h>
extern char **environ;
pid_t
rb_spawn_process(const char *path, const char **argv)
{
pid_t pid;
const void *arghack = argv;
posix_spawnattr_t spattr;
posix_spawnattr_init(&spattr);
#ifdef POSIX_SPAWN_USEVFORK
posix_spawnattr_setflags(&spattr, POSIX_SPAWN_USEVFORK);
#endif
if(posix_spawn(&pid, path, NULL, &spattr, arghack, environ))
{
return -1;
}
return pid;
}
#else
pid_t
rb_spawn_process(const char *path, const char **argv)
{
pid_t pid;
if(!(pid = vfork()))
{
execv(path, (const void *)argv); /* make gcc shut up */
_exit(1); /* if we're still here, we're screwed */
}
return(pid);
}
#endif
#ifndef HAVE_GETTIMEOFDAY
int
rb_gettimeofday(struct timeval *tv, void *tz)
{
if(tv == NULL)
{
errno = EFAULT;
return -1;
}
tv->tv_usec = 0;
if(time(&tv->tv_sec) == -1)
return -1;
return 0;
}
#else
int
rb_gettimeofday(struct timeval *tv, void *tz)
{
return(gettimeofday(tv, tz));
}
#endif
void
rb_sleep(unsigned int seconds, unsigned int useconds)
{
#ifdef HAVE_NANOSLEEP
struct timespec tv;
tv.tv_nsec = (useconds * 1000);
tv.tv_sec = seconds;
nanosleep(&tv, NULL);
#else
struct timeval tv;
tv.tv_sec = seconds;
tv.tv_usec = useconds;
select(0, NULL, NULL, NULL, &tv);
#endif
}
#endif /* !WINDOWS */