mirror of
https://github.com/awesomeWM/awesome
synced 2024-11-05 20:26:09 +01:00
68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/*
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* util.c - useful functions
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*
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* Copyright © 2007 Julien Danjou <julien@danjou.info>
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* Copyright © 2006 Pierre Habouzit <madcoder@debian.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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include "util.h"
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void
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eprint(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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exit(EXIT_FAILURE);
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}
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void
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spawn(Display * disp,
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awesome_config * awesomeconf __attribute__ ((unused)),
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const char *arg)
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{
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static char *shell = NULL;
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if(!shell && !(shell = getenv("SHELL")))
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shell = strdup("/bin/sh");
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if(!arg)
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return;
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/* The double-fork construct avoids zombie processes and keeps the code
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* * clean from stupid signal handlers. */
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if(fork() == 0)
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{
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if(fork() == 0)
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{
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if(disp)
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close(ConnectionNumber(disp));
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setsid();
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execl(shell, shell, "-c", arg, (char *) NULL);
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fprintf(stderr, "awesome: execl '%s -c %s'", shell, arg);
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perror(" failed");
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}
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exit(EXIT_SUCCESS);
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}
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wait(0);
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}
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