ede/evoke/Spawn.cpp
2007-07-30 13:30:41 +00:00

65 lines
1.2 KiB
C++

/*
* $Id$
*
* Evoke, head honcho of everything
* Part of Equinox Desktop Environment (EDE).
* Copyright (c) 2000-2007 EDE Authors.
*
* This program is licensed under terms of the
* GNU General Public License version 2 or newer.
* See COPYING for details.
*/
#include "Spawn.h"
#include <sys/types.h> // fork
#include <unistd.h> // fork, open, close, dup
#include <sys/stat.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <errno.h>
extern char** environ;
int spawn_program(const char* cmd) {
if(!cmd)
return SPAWN_EMPTY;
int nulldev = -1;
int status_ret = 0;
pid_t pid = fork();
if(pid == -1)
return SPAWN_FORK_FAILED;
// run the child
if(pid == 0) {
char* argv[4];
argv[0] = "/bin/sh";
argv[1] = "-c";
argv[2] = (char*)cmd;
argv[3] = NULL;
/*
* The following is to avoid X locking when executing
* terminal based application that requires user input
*/
if((nulldev = open("/dev/null", O_RDWR)) == -1)
return SPAWN_FORK_FAILED;
/* TODO: redirect these to EvokeService log */
close(0); dup(nulldev);
close(1); dup(nulldev);
close(2); dup(nulldev);
if(execve(argv[0], argv, environ) == -1) {
close(nulldev);
// should not get here
return SPAWN_EXECVE_FAILED;
}
}
return status_ret;
}