xref: /netbsd-src/external/mit/libuv/dist/docs/code/spawn/main.c (revision 0e552da7216834a96e91ad098e59272b41087480)
1*0e552da7Schristos #include <stdio.h>
2*0e552da7Schristos #include <inttypes.h>
3*0e552da7Schristos 
4*0e552da7Schristos #include <uv.h>
5*0e552da7Schristos 
6*0e552da7Schristos uv_loop_t *loop;
7*0e552da7Schristos uv_process_t child_req;
8*0e552da7Schristos uv_process_options_t options;
9*0e552da7Schristos 
on_exit(uv_process_t * req,int64_t exit_status,int term_signal)10*0e552da7Schristos void on_exit(uv_process_t *req, int64_t exit_status, int term_signal) {
11*0e552da7Schristos     fprintf(stderr, "Process exited with status %" PRId64 ", signal %d\n", exit_status, term_signal);
12*0e552da7Schristos     uv_close((uv_handle_t*) req, NULL);
13*0e552da7Schristos }
14*0e552da7Schristos 
main()15*0e552da7Schristos int main() {
16*0e552da7Schristos     loop = uv_default_loop();
17*0e552da7Schristos 
18*0e552da7Schristos     char* args[3];
19*0e552da7Schristos     args[0] = "mkdir";
20*0e552da7Schristos     args[1] = "test-dir";
21*0e552da7Schristos     args[2] = NULL;
22*0e552da7Schristos 
23*0e552da7Schristos     options.exit_cb = on_exit;
24*0e552da7Schristos     options.file = "mkdir";
25*0e552da7Schristos     options.args = args;
26*0e552da7Schristos 
27*0e552da7Schristos     int r;
28*0e552da7Schristos     if ((r = uv_spawn(loop, &child_req, &options))) {
29*0e552da7Schristos         fprintf(stderr, "%s\n", uv_strerror(r));
30*0e552da7Schristos         return 1;
31*0e552da7Schristos     } else {
32*0e552da7Schristos         fprintf(stderr, "Launched process with ID %d\n", child_req.pid);
33*0e552da7Schristos     }
34*0e552da7Schristos 
35*0e552da7Schristos     return uv_run(loop, UV_RUN_DEFAULT);
36*0e552da7Schristos }
37