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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /nptl/tst-getpid3.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
downloadglibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz
2.5-18.1
Diffstat (limited to 'nptl/tst-getpid3.c')
-rw-r--r--nptl/tst-getpid3.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/nptl/tst-getpid3.c b/nptl/tst-getpid3.c
new file mode 100644
index 0000000000..f1e77f6b10
--- /dev/null
+++ b/nptl/tst-getpid3.c
@@ -0,0 +1,114 @@
+#include <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/wait.h>
+
+
+static pid_t pid;
+
+static void *
+pid_thread (void *arg)
+{
+ if (pid != getpid ())
+ {
+ printf ("pid wrong in thread: should be %d, is %d\n",
+ (int) pid, (int) getpid ());
+ return (void *) 1L;
+ }
+
+ return NULL;
+}
+
+static int
+do_test (void)
+{
+ pid = getpid ();
+
+ pthread_t thr;
+ int ret = pthread_create (&thr, NULL, pid_thread, NULL);
+ if (ret)
+ {
+ printf ("pthread_create failed: %d\n", ret);
+ return 1;
+ }
+
+ void *thr_ret;
+ ret = pthread_join (thr, &thr_ret);
+ if (ret)
+ {
+ printf ("pthread_create failed: %d\n", ret);
+ return 1;
+ }
+ else if (thr_ret)
+ {
+ printf ("thread getpid failed\n");
+ return 1;
+ }
+
+ pid_t child = fork ();
+ if (child == -1)
+ {
+ printf ("fork failed: %m\n");
+ return 1;
+ }
+ else if (child == 0)
+ {
+ if (pid == getpid ())
+ {
+ puts ("pid did not change after fork");
+ exit (1);
+ }
+
+ pid = getpid ();
+ ret = pthread_create (&thr, NULL, pid_thread, NULL);
+ if (ret)
+ {
+ printf ("pthread_create failed: %d\n", ret);
+ return 1;
+ }
+
+ ret = pthread_join (thr, &thr_ret);
+ if (ret)
+ {
+ printf ("pthread_create failed: %d\n", ret);
+ return 1;
+ }
+ else if (thr_ret)
+ {
+ printf ("thread getpid failed\n");
+ return 1;
+ }
+
+ return 0;
+ }
+
+ int status;
+ if (TEMP_FAILURE_RETRY (waitpid (child, &status, 0)) != child)
+ {
+ puts ("waitpid failed");
+ kill (child, SIGKILL);
+ return 1;
+ }
+
+ if (!WIFEXITED (status))
+ {
+ if (WIFSIGNALED (status))
+ printf ("died from signal %s\n", strsignal (WTERMSIG (status)));
+ else
+ puts ("did not terminate correctly");
+ return 1;
+ }
+ if (WEXITSTATUS (status) != 0)
+ {
+ printf ("exit code %d\n", WEXITSTATUS (status));
+ return 1;
+ }
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"