Function make_tree_pid_path

tests/test_subprocess.c:232–240

}

static bool make_tree_pid_path(char path[64]) {
    strcpy(path, "/tmp/cbm-subprocess-tree-XXXXXX");
    int fd = cbm_mkstemp(path);
    if (fd < 0) {
        return false;
    }
    (void)close(fd);
    return unlink(path) == 0; /* child creates it only after both traps are installed */
}

static bool wait_for_tree_pids(const char *path, cbm_subprocess_t *process, pid_t *parent_pid,
                               pid_t *grandchild_pid, int timeout_ms) {