xref: /libuv/docs/code/spawn/main.c (revision d59d6e6f)
1 #include <stdio.h>
2 #include <inttypes.h>
3 
4 #include <uv.h>
5 
6 uv_loop_t *loop;
7 uv_process_t child_req;
8 uv_process_options_t options;
9 
on_exit(uv_process_t * req,int64_t exit_status,int term_signal)10 void on_exit(uv_process_t *req, int64_t exit_status, int term_signal) {
11     fprintf(stderr, "Process exited with status %" PRId64 ", signal %d\n", exit_status, term_signal);
12     uv_close((uv_handle_t*) req, NULL);
13 }
14 
main()15 int main() {
16     loop = uv_default_loop();
17 
18     char* args[3];
19     args[0] = "mkdir";
20     args[1] = "test-dir";
21     args[2] = NULL;
22 
23     options.exit_cb = on_exit;
24     options.file = "mkdir";
25     options.args = args;
26 
27     int r;
28     if ((r = uv_spawn(loop, &child_req, &options))) {
29         fprintf(stderr, "%s\n", uv_strerror(r));
30         return 1;
31     } else {
32         fprintf(stderr, "Launched process with ID %d\n", child_req.pid);
33     }
34 
35     return uv_run(loop, UV_RUN_DEFAULT);
36 }
37