Add wpa_supplicant_fork command.

Add fork command for wpa supplicant to start a new task.

freebsd/contrib/wpa/wpa_supplicant/main.c

@@ -22,6 +22,8 @@
 #ifdef __rtems__
 #include <assert.h>
 #include <sys/mutex.h>
+#define RTEMS_BSD_PROGRAM_NO_MALLOC_WRAP
+#define RTEMS_BSD_PROGRAM_NO_STRDUP_WRAP
 #include <machine/rtems-bsd-program.h>
 #endif /* __rtems__ */
 
@@ -174,6 +176,69 @@ int rtems_bsd_command_wpa_supplicant(int argc, char **argv)
 
 	return exit_code;
 }
+
+struct myparams {
+	int argc;
+	char ** argv;
+};
+
+static void
+new_wpa_supplicant_task(rtems_task_argument arg)
+{
+	int argc;
+	char ** argv;
+	int i;
+
+	struct myparams *params = (struct myparams *)arg;
+	argc = params->argc;
+	argv = params->argv;
+
+	rtems_bsd_command_wpa_supplicant(argc, argv);
+
+	for (i = 0; i < params->argc; i++) {
+		free(params->argv[i]);
+	}
+	free(params->argv);
+	free(params);
+
+	rtems_task_delete( RTEMS_SELF );
+}
+
+int rtems_bsd_command_wpa_supplicant_fork(int argc, char **argv)
+{
+	rtems_status_code sc;
+	rtems_id id;
+	int i;
+
+	struct myparams *params = malloc(sizeof(struct myparams));
+	if (params == NULL)
+		return NULL;
+
+	params->argc = argc;
+	params->argv = malloc((argc + 1) * sizeof(argv[0]));
+	if (params->argv == NULL)
+		return NULL;
+
+	for (i = 0; i < argc; i++) {
+		params->argv[i] = strdup(argv[i]);
+		if (params->argv[i] == NULL)
+			return NULL;
+	}
+	params->argv[argc] = NULL;
+
+	sc = rtems_task_create(
+		rtems_build_name('W', 'P', 'A', 'S'),
+		RTEMS_MAXIMUM_PRIORITY - 1,
+		8 * RTEMS_MINIMUM_STACK_SIZE,
+		RTEMS_DEFAULT_MODES,
+		RTEMS_FLOATING_POINT,
+		&id
+	);
+	assert(sc == RTEMS_SUCCESSFUL);
+
+	sc = rtems_task_start(id, new_wpa_supplicant_task, params);
+	assert(sc == RTEMS_SUCCESSFUL);
+}
 #endif /* __rtems__ */
 
 int main(int argc, char *argv[])