10 #include <sys/procdesc.h>
14 #include <sys/syscall.h>
15 int pdfork(int *fd, int flags) {
16 return syscall(__NR_pdfork, fd, flags);
22 int rc = pdfork(&procfd, 0);
24 fprintf(stderr, "pdfork() failed rc=%d errno=%d %s\n", rc, errno, strerror(errno));
27 if (rc == 0) { // Child process
31 fprintf(stderr, "pdfork()ed child pid=%ld procfd=%d\n", (long)rc, procfd);
32 sleep(2); // Allow child to complete
33 pid_t child = waitpid(-1, &rc, WNOHANG);
35 fprintf(stderr, "waitpid(): no completed child found\n");
36 } else if (child < 0) {
37 fprintf(stderr, "waitpid(): failed errno=%d %s\n", errno, strerror(errno));
39 fprintf(stderr, "waitpid(): found completed child %ld\n", (long)child);