diff options
| -rw-r--r-- | tools/test/pthread_vfork/pthread_vfork_test.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/tools/test/pthread_vfork/pthread_vfork_test.c b/tools/test/pthread_vfork/pthread_vfork_test.c index e004727..925c862 100644 --- a/tools/test/pthread_vfork/pthread_vfork_test.c +++ b/tools/test/pthread_vfork/pthread_vfork_test.c @@ -29,6 +29,8 @@ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); +#include <sys/types.h> +#include <sys/wait.h> #include <err.h> #include <pthread.h> #include <signal.h> @@ -39,10 +41,11 @@ __FBSDID("$FreeBSD$"); #define NUM_THREADS 100 -void * -vfork_test(void *threadid) +static void * +vfork_test(void *threadid __unused) { - pid_t pid; + pid_t pid, wpid; + int status; for (;;) { pid = vfork(); @@ -50,10 +53,20 @@ vfork_test(void *threadid) _exit(0); else if (pid == -1) err(1, "Failed to vfork"); + else { + wpid = waitpid(pid, &status, 0); + if (wpid == -1) + err(1, "waitpid"); + } } return (NULL); } +static void +sighandler(int signo __unused) +{ +} + /* * This program invokes multiple threads and each thread calls * vfork() system call. @@ -63,19 +76,24 @@ main(void) { pthread_t threads[NUM_THREADS]; struct sigaction reapchildren; + sigset_t sigchld_mask; int rc, t; memset(&reapchildren, 0, sizeof(reapchildren)); - reapchildren.sa_handler = SIG_IGN; - - /* Automatically reap zombies. */ + reapchildren.sa_handler = sighandler; if (sigaction(SIGCHLD, &reapchildren, NULL) == -1) err(1, "Could not sigaction(SIGCHLD)"); + sigemptyset(&sigchld_mask); + sigaddset(&sigchld_mask, SIGCHLD); + if (sigprocmask(SIG_BLOCK, &sigchld_mask, NULL) == -1) + err(1, "sigprocmask"); + for (t = 0; t < NUM_THREADS; t++) { - rc = pthread_create(&threads[t], NULL, vfork_test, (void *)t); + rc = pthread_create(&threads[t], NULL, vfork_test, &t); if (rc) errc(1, rc, "pthread_create"); } + pause(); return (0); } |
