103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* unix.c: various unix type functions
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 2005 ircd-ratbox development team
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* Copyright (C) 2005 Aaron Sethman <androsyn@ratbox.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*
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* $Id: unix.c 25038 2008-01-23 16:03:08Z androsyn $
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*/
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#include <libratbox_config.h>
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#include <ratbox_lib.h>
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#ifndef WINDOWS
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#if defined(HAVE_SPAWN_H) && defined(HAVE_POSIX_SPAWN)
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#include <spawn.h>
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extern char **environ;
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pid_t
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rb_spawn_process(const char *path, const char **argv)
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{
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pid_t pid;
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const void *arghack = argv;
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posix_spawnattr_t spattr;
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posix_spawnattr_init(&spattr);
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#ifdef POSIX_SPAWN_USEVFORK
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posix_spawnattr_setflags(&spattr, POSIX_SPAWN_USEVFORK);
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#endif
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if(posix_spawn(&pid, path, NULL, &spattr, arghack, environ))
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{
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return -1;
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}
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return pid;
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}
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#else
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pid_t
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rb_spawn_process(const char *path, const char **argv)
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{
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pid_t pid;
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if(!(pid = vfork()))
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{
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execv(path, (const void *)argv); /* make gcc shut up */
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_exit(1); /* if we're still here, we're screwed */
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}
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return(pid);
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}
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#endif
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#ifndef HAVE_GETTIMEOFDAY
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int
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rb_gettimeofday(struct timeval *tv, void *tz)
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{
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if(tv == NULL)
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{
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errno = EFAULT;
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return -1;
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}
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tv->tv_usec = 0;
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if(time(&tv->tv_sec) == -1)
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return -1;
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return 0;
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}
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#else
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int
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rb_gettimeofday(struct timeval *tv, void *tz)
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{
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return(gettimeofday(tv, tz));
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}
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#endif
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void
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rb_sleep(unsigned int seconds, unsigned int useconds)
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{
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#ifdef HAVE_NANOSLEEP
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struct timespec tv;
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tv.tv_nsec = (useconds * 1000);
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tv.tv_sec = seconds;
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nanosleep(&tv, NULL);
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#else
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struct timeval tv;
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tv.tv_sec = seconds;
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tv.tv_usec = useconds;
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select(0, NULL, NULL, NULL, &tv);
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#endif
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}
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#endif /* !WINDOWS */
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