src: fix exit code check on linux

This commit is contained in:
Shuanglei Tao
2019-09-15 19:06:47 +08:00
parent 5381d0f825
commit 62844c2509
3 changed files with 20 additions and 6 deletions

View File

@@ -133,9 +133,9 @@ tty_client_destroy(struct tty_client *client) {
lwsl_err("kill: %d, errno: %d (%s)\n", pid, errno, strerror(errno)); lwsl_err("kill: %d, errno: %d (%s)\n", pid, errno, strerror(errno));
} }
pid_t pid_out; pid_t pid_out;
int status = wait_proc(client->pid, &pid_out); client->exit_status = wait_proc(client->pid, &pid_out);
if (pid_out > 0) { if (pid_out > 0) {
lwsl_notice("process exited with code %d, pid: %d\n", status, pid_out); lwsl_notice("process exited with code %d, pid: %d\n", client->exit_status, pid_out);
} }
close(client->pty); close(client->pty);
@@ -196,7 +196,14 @@ spawn_process(struct tty_client *client) {
void void
tty_client_poll(struct tty_client *client) { tty_client_poll(struct tty_client *client) {
if (!client->running || client->state == STATE_READY) return; if (client->pid <= 0 || client->state == STATE_READY) return;
if (!client->running) {
memset(client->pty_buffer, 0, sizeof(client->pty_buffer));
client->pty_len = client->exit_status;
client->state = STATE_READY;
return;
}
fd_set des_set; fd_set des_set;
FD_ZERO (&des_set); FD_ZERO (&des_set);
@@ -372,9 +379,7 @@ callback_tty(struct lws *wsi, enum lws_callback_reasons reason,
return -1; return -1;
} }
} }
if (spawn_process(client) != 0) { if (spawn_process(client) != 0) return 1;
return 1;
}
break; break;
default: default:
lwsl_warn("ignored unknown message type: %c\n", command); lwsl_warn("ignored unknown message type: %c\n", command);

View File

@@ -186,6 +186,14 @@ sigchld_handler() {
int status = wait_proc(-1, &pid); int status = wait_proc(-1, &pid);
if (pid > 0) { if (pid > 0) {
lwsl_notice("process exited with code %d, pid: %d\n", status, pid); lwsl_notice("process exited with code %d, pid: %d\n", status, pid);
struct tty_client *iterator;
LIST_FOREACH(iterator, &server->clients, list) {
if (iterator->pid == pid) {
iterator->running = false;
iterator->exit_status = status;
break;
}
}
} }
} }

View File

@@ -44,6 +44,7 @@ struct tty_client {
int pid; int pid;
int pty; int pty;
int exit_status;
enum pty_state state; enum pty_state state;
char pty_buffer[LWS_PRE + 1 + BUF_SIZE]; char pty_buffer[LWS_PRE + 1 + BUF_SIZE];
ssize_t pty_len; ssize_t pty_len;