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/* SPDX-License-Identifier: GPL-2.0 */
#include <string.h>
#include <unistd.h>
#include <assert.h>
#include <stdlib.h>
#include <signal.h>
#include <errno.h>
#include "gcc-compat.h"
#include "log.h"
#include "err.h"
#include "str.h"
#include "exec.h"
/* Spawn a new process using execvp(). */
void dss_exec(pid_t *pid, const char *file, char *const *const args)
{
if ((*pid = fork()) < 0) {
DSS_EMERG_LOG("fork error: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
if (*pid) /* parent */
return;
signal(SIGINT, SIG_DFL);
signal(SIGTERM, SIG_DFL);
signal(SIGCHLD, SIG_DFL);
execvp(file, args);
DSS_EMERG_LOG("execvp error: %s\n", strerror(errno));
_exit(EXIT_FAILURE);
}
/*
* Execute the space-separated command line. On return, the pid pointer is
* initialized to pid of the newly created process.
*/
void dss_exec_cmdline_pid(pid_t *pid, const char *cmdline)
{
char **argv, *tmp = dss_strdup(cmdline);
split_args(tmp, &argv);
dss_exec(pid, argv[0], argv);
free(argv);
free(tmp);
}
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