static int spawn_worker(char *cmd)
{
/* params struct for both workers */
struct worker_params params;
/* children's pids */
pid_t c1, c2;
int status, ret = 0;
trim(cmd);
params.cmd = cmd;
if(open_pipe(params.pipe) == -1) {
(void) fprintf(stderr, "%s: Could not create pipe\n", pgname);
return -1;
}
/* We flush all our standard fd's so we'll have them empty in the workers */
fflush(stdin);
fflush(stdout);
fflush(stderr);
/* Fork execute worker */
if((c1 = fork_function(execute, ¶ms)) == -1) {
(void) fprintf(stderr, "%s: Could not spawn execute worker\n", pgname);
close_pipe(params.pipe, channel_all);
return -1;
}
/* Fork format worker */
if((c2 = fork_function(format, ¶ms)) == -1) {
(void) fprintf(stderr, "%s: Could not spawn format worker\n", pgname);
/* Wait for child 1 */
if(wait_for_child(c1) == -1) {
(void) fprintf(stderr, "%s: Error waiting for execute worker to finish\n", pgname);
}
close_pipe(params.pipe, channel_all);
return -1;
}
/* We need to close the pipe in parent, so that the format worker will quit working when execute's output has finished */
close_pipe(params.pipe, channel_all);
if((status = wait_for_child(c1)) != 0) {
(void) fprintf(stderr, "%s: Execute worker returned %d\n", pgname, status);
/* not neccessarily an error. If there was a typo in cmd don't quit the whole programm */
// ret = -1;
}
if((status = wait_for_child(c2)) != 0) {
(void) fprintf(stderr, "%s: Format worker returned %d\n", pgname, status);
// ret = -1;
}
return ret;
}
static void pipe_exec(char **command, t_env *e, int fork)
{
static char *builtins[] = { BUILTINS };
static void (*function[])(char **, t_env *) = { FUNCTION };
char *path;
int i;
i = 0;
while (builtins[i])
{
if (ft_strcmp(*command, builtins[i]) == 0)
{
function[i](command, e);
return ;
}
i++;
}
if (!fork)
pipe_fork(command, e);
else
{
path = fork_function(command, e);
if (path)
free(path);
}
}