1 /* SPDX-License-Identifier: GPL-2.0 */
3 /** \file exec.c Helper functions for spawning new processes. */
12 #include "gcc-compat.h"
19 * Spawn a new process using execvp().
21 * \param pid Will hold the pid of the created process upon return.
22 * \param file Path of the executable to execute.
23 * \param args The argument array for the command.
27 * \sa fork(2), exec(3).
29 void dss_exec(pid_t *pid, const char *file, char *const *const args)
31 if ((*pid = fork()) < 0) {
32 DSS_EMERG_LOG(("fork error: %s\n", strerror(errno)));
35 if (*pid) /* parent */
37 signal(SIGINT, SIG_DFL);
38 signal(SIGTERM, SIG_DFL);
39 signal(SIGCHLD, SIG_DFL);
41 DSS_EMERG_LOG(("execvp error: %s\n", strerror(errno)));
46 * Exec the command given as a command line.
48 * \param pid Will hold the pid of the created process upon return.
49 * \param cmdline Holds the command and its arguments, separated by spaces.
51 * This function uses fork/exec to create a new process.
55 void dss_exec_cmdline_pid(pid_t *pid, const char *cmdline)
57 char **argv, *tmp = dss_strdup(cmdline);
59 split_args(tmp, &argv, " \t");
60 dss_exec(pid, argv[0], argv);