Update.

2004-11-10  Jakub Jelinek  <jakub@redhat.com>

	* Makefile (tests): Add tst-exit3.
	* tst-exit3.c: New test.

nptl/ChangeLog

@@ -1,3 +1,8 @@
+2004-11-10  Jakub Jelinek  <jakub@redhat.com>
+
+	* Makefile (tests): Add tst-exit3.
+	* tst-exit3.c: New test.
+
 2004-11-09  Ulrich Drepper  <drepper@redhat.com>
 
 	* Makefile (tests): Add tst-exit2.

nptl/Makefile

@@ -227,7 +227,7 @@ tests = tst-attr1 tst-attr2 tst-attr3 \
 	tst-signal1 tst-signal2 tst-signal3 tst-signal4 tst-signal5 \
 	tst-signal6 \
 	tst-exec1 tst-exec2 tst-exec3 tst-exec4 \
-	tst-exit1 tst-exit2 \
+	tst-exit1 tst-exit2 tst-exit3 \
 	tst-stdio1 tst-stdio2 \
 	tst-stack1 tst-stack2 tst-stack3 \
 	tst-unload \

nptl/tst-exit3.c

@@ -0,0 +1,81 @@
+#include <pthread.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+static pthread_barrier_t b;
+
+
+static void *
+tf2 (void *arg)
+{
+  while (1)
+    sleep (100);
+
+  /* NOTREACHED */
+  return NULL;
+}
+
+
+static void *
+tf (void *arg)
+{
+  pthread_t th;
+
+  int e = pthread_barrier_wait (&b);
+  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("barrier_wait failed");
+      exit (1);
+    }
+
+  e = pthread_create (&th, NULL, tf2, NULL);
+  if (e != 0)
+    {
+      printf ("create failed: %s\n", strerror (e));
+      exit (1);
+    }
+
+  /* Terminate only this thread.  */
+  return NULL;
+}
+
+
+static int
+do_test (void)
+{
+  pthread_t th;
+
+  if (pthread_barrier_init (&b, NULL, 2) != 0)
+    {
+      puts ("barrier_init failed");
+      exit (1);
+    }
+
+  int e = pthread_create (&th, NULL, tf, NULL);
+  if (e != 0)
+    {
+      printf ("create failed: %s\n", strerror (e));
+      exit (1);
+    }
+
+  e = pthread_barrier_wait (&b);
+  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("barrier_wait failed");
+      exit (1);
+    }
+
+  /* Terminate only this thread.  */
+  pthread_exit (NULL);
+
+  /* NOTREACHED */
+  return 1;
+}
+
+#define EXPECTED_SIGNAL SIGALRM
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"

nscd/nscd_getai.c

@@ -33,15 +33,8 @@
 extern int __nss_not_use_nscd_hosts;
 
 
-libc_locked_map_ptr (map_handle);
-/* Note that we only free the structure if necessary.  The memory
-   mapping is not removed since it is not visible to the malloc
-   handling.  */
-libc_freeres_fn (ai_map_free)
-{
-  if (map_handle.mapped != NO_MAPPING)
-    free (map_handle.mapped);
-}
+/* We use the mapping from nscd_gethst.  */
+libc_locked_map_ptr (extern, __hst_map_handle);
 
 
 int
@@ -53,7 +46,8 @@ __nscd_getai (const char *key, struct nscd_ai_result **result, int *h_errnop)
   /* If the mapping is available, try to search there instead of
      communicating with the nscd.  */
   struct mapped_database *mapped;
-  mapped = __nscd_get_map_ref (GETFDHST, "hosts", &map_handle, &gc_cycle);
+  mapped = __nscd_get_map_ref (GETFDHST, "hosts", &__hst_map_handle,
+			       &gc_cycle);
 
  retry:;
   const ai_response_header *ai_resp = NULL;

nscd/nscd_getgr_r.c

@@ -67,14 +67,18 @@ __nscd_getgrgid_r (gid_t gid, struct group *resultbuf, char *buffer,
 }
 
 
-libc_locked_map_ptr (map_handle);
+libc_locked_map_ptr (,__gr_map_handle);
 /* Note that we only free the structure if necessary.  The memory
    mapping is not removed since it is not visible to the malloc
    handling.  */
 libc_freeres_fn (gr_map_free)
 {
-  if (map_handle.mapped != NO_MAPPING)
-    free (map_handle.mapped);
+  if (__gr_map_handle.mapped != NO_MAPPING)
+    {
+      void *p = __gr_map_handle.mapped;
+      __gr_map_handle.mapped = NO_MAPPING;
+      free (p);
+    }
 }
 
 
@@ -91,7 +95,8 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type,
   /* If the mapping is available, try to search there instead of
      communicating with the nscd.  */
   struct mapped_database *mapped = __nscd_get_map_ref (GETFDGR, "group",
-						       &map_handle, &gc_cycle);
+						       &__gr_map_handle,
+						       &gc_cycle);
  retry:;
   const gr_response_header *gr_resp = NULL;
   const char *gr_name = NULL;

nscd/nscd_gethst_r.c

@@ -87,14 +87,18 @@ __nscd_gethostbyaddr_r (const void *addr, socklen_t len, int type,
 }
 
 
-libc_locked_map_ptr (map_handle);
+libc_locked_map_ptr (, __hst_map_handle);
 /* Note that we only free the structure if necessary.  The memory
    mapping is not removed since it is not visible to the malloc
    handling.  */
-libc_freeres_fn (gr_map_free)
+libc_freeres_fn (hst_map_free)
 {
-  if (map_handle.mapped != NO_MAPPING)
-    free (map_handle.mapped);
+  if (__hst_map_handle.mapped != NO_MAPPING)
+    {
+      void *p = __hst_map_handle.mapped;
+      __hst_map_handle.mapped = NO_MAPPING;
+      free (p);
+    }
 }
 
 
@@ -110,7 +114,8 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type,
   /* If the mapping is available, try to search there instead of
      communicating with the nscd.  */
   struct mapped_database *mapped;
-  mapped = __nscd_get_map_ref (GETFDHST, "hosts", &map_handle, &gc_cycle);
+  mapped = __nscd_get_map_ref (GETFDHST, "hosts", &__hst_map_handle,
+			       &gc_cycle);
 
  retry:;
   const hst_response_header *hst_resp = NULL;

nscd/nscd_initgroups.c

@@ -29,15 +29,8 @@
 #include "nscd_proto.h"
 
 
-libc_locked_map_ptr (map_handle);
-/* Note that we only free the structure if necessary.  The memory
-   mapping is not removed since it is not visible to the malloc
-   handling.  */
-libc_freeres_fn (gr_map_free)
-{
-  if (map_handle.mapped != NO_MAPPING)
-    free (map_handle.mapped);
-}
+/* We use the same mapping as in nscd_getgr.   */
+libc_locked_map_ptr (extern, __gr_map_handle);
 
 
 int
@@ -50,7 +43,7 @@ __nscd_getgrouplist (const char *user, gid_t group, long int *size,
   /* If the mapping is available, try to search there instead of
      communicating with the nscd.  */
   struct mapped_database *mapped;
-  mapped = __nscd_get_map_ref (GETFDGR, "group", &map_handle, &gc_cycle);
+  mapped = __nscd_get_map_ref (GETFDGR, "group", &__gr_map_handle, &gc_cycle);
 
  retry:;
   const initgr_response_header *initgr_resp = NULL;