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authorUlrich Drepper <drepper@redhat.com>2006-08-01 06:40:11 +0000
committerUlrich Drepper <drepper@redhat.com>2006-08-01 06:40:11 +0000
commita1260d92a7e3c11e1db74ad7007332f87fc1b690 (patch)
tree0690bdd3500e1dcc2b72ad8cd35b2a69de74dc79 /nptl
parent13669f2c304545de194ec014255b5e3141615ac1 (diff)
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* stdlib/test-canon.c (do_test): Close fd before unlinking file so
that directory is empty even on non-POSIX filesystems.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/Makefile2
-rw-r--r--nptl/allocatestack.c11
-rw-r--r--nptl/tst-getpid3.c114
3 files changed, 123 insertions, 4 deletions
diff --git a/nptl/Makefile b/nptl/Makefile
index 4023e46199..d0f8286fb8 100644
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -256,7 +256,7 @@ tests = tst-typesizes \
tst-backtrace1 \
tst-oddstacklimit \
tst-vfork1 tst-vfork2 tst-vfork1x tst-vfork2x \
- tst-getpid1 tst-getpid2 \
+ tst-getpid1 tst-getpid2 tst-getpid3 \
tst-initializers1 $(patsubst %,tst-initializers1-%,c89 gnu89 c99 gnu99)
xtests = tst-setuid1 tst-setuid1-static
diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c
index a3ed1a33d3..4a1cd18481 100644
--- a/nptl/allocatestack.c
+++ b/nptl/allocatestack.c
@@ -742,9 +742,7 @@ __reclaim_stacks (void)
list_t *runp;
list_for_each (runp, &stack_used)
{
- struct pthread *curp;
-
- curp = list_entry (runp, struct pthread, list);
+ struct pthread *curp = list_entry (runp, struct pthread, list);
if (curp != self)
{
/* This marks the stack as free. */
@@ -758,6 +756,13 @@ __reclaim_stacks (void)
}
}
+ /* Reset the PIDs in any cached stacks. */
+ list_for_each (runp, &stack_cache)
+ {
+ struct pthread *curp = list_entry (runp, struct pthread, list);
+ curp->pid = self->pid;
+ }
+
/* Add the stack of all running threads to the cache. */
list_splice (&stack_used, &stack_cache);
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"