49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
/* See LICENSE file for copyright and license details. */
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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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