Update.

	* tst-rwlock6.c: More pthread_rwlock_timedwrlock and
	pthread_rwlock_timedrdlock tests.
	* tst-rwlock7.c: More pthread_rwlock_timedwrlock tests.
	* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S:
	Check for invalid tv_nsec field.
	* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S:
	Likewise.

	* pthread_mutex_trylock.c (__pthread_mutex_trylock): Protect
	recursive mutex of overflow.

	* tst-attr1.c (do_test): Add test for pthread_mutexattr_setpshared.

10 files changed, 142 insertions, 10 deletions

diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 7e611221a4..72414b17ab 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,5 +1,18 @@
 2003-02-16  Ulrich Drepper  <drepper@redhat.com>
 
+	* tst-rwlock6.c: More pthread_rwlock_timedwrlock and
+	pthread_rwlock_timedrdlock tests.
+	* tst-rwlock7.c: More pthread_rwlock_timedwrlock tests.
+	* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S:
+	Check for invalid tv_nsec field.
+	* sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S:
+	Likewise.
+
+	* pthread_mutex_trylock.c (__pthread_mutex_trylock): Protect
+	recursive mutex of overflow.
+
+	* tst-attr1.c (do_test): Add test for pthread_mutexattr_setpshared.
+
 	* libc-cancellation.c (__libc_enable_asynccancel): Rwrite to avoid
 	going into an endless loop.
 	* Makefile (tests): Add tst-cancel9.
diff --git a/nptl/pthread_mutex_trylock.c b/nptl/pthread_mutex_trylock.c
index aae506739f..394a9cba9b 100644
--- a/nptl/pthread_mutex_trylock.c
+++ b/nptl/pthread_mutex_trylock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -36,6 +36,10 @@ __pthread_mutex_trylock (mutex)
       if (mutex->__data.__owner == pd)
 	{
 	  /* Just bump the counter.  */
+	  if (__builtin_expect (mutex->__data.__count + 1 == 0, 0))
+	    /* Overflow of the counter.  */
+	    return EAGAIN;
+
 	  ++mutex->__data.__count;
 	  return 0;
 	}
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h
index 97b94a3074..756ece29e0 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h
@@ -1,6 +1,5 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S
index 2e99ac669a..b275b8b922 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S
@@ -27,6 +27,7 @@
 #define FUTEX_WAKE		1
 
 #define EAGAIN		11
+#define EINVAL		22
 #define EDEADLK		35
 #define ETIMEDOUT	110
 
@@ -71,7 +72,11 @@ pthread_rwlock_timedrdlock:
 	cmpl	$0, FLAGS(%ebp)
 	je	5f
 
-3:	incl	READERS_QUEUED(%ebp)
+	/* Check the value of the timeout parameter.  */
+3:	cmpl	$1000000000, 4(%edi)
+	jae	19f
+
+	incl	READERS_QUEUED(%ebp)
 	je	4f
 
 	LOCK
@@ -189,4 +194,7 @@ pthread_rwlock_timedrdlock:
 
 18:	movl	$ETIMEDOUT, %ecx
 	jmp	9b
+
+19:	movl	$EINVAL, %ecx
+	jmp	9b
 	.size	pthread_rwlock_timedrdlock,.-pthread_rwlock_timedrdlock
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S
index bf8f1d48db..ec8f4b9f6d 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S
@@ -27,6 +27,7 @@
 #define FUTEX_WAKE		1
 
 #define EAGAIN		11
+#define EINVAL		22
 #define EDEADLK		35
 #define ETIMEDOUT	110
 
@@ -69,7 +70,11 @@ pthread_rwlock_timedwrlock:
 	cmp	$0, NR_READERS(%ebp)
 	je	5f
 
-3:	incl	WRITERS_QUEUED(%ebp)
+	/* Check the value of the timeout parameter.  */
+3:	cmpl	$1000000000, 4(%edi)
+	jae	19f
+
+	incl	WRITERS_QUEUED(%ebp)
 	je	4f
 
 	LOCK
@@ -156,7 +161,7 @@ pthread_rwlock_timedwrlock:
 
 14:	cmpl	%gs:8, %eax
 	jne	3b
-	movl	$EDEADLK, %ecx
+20:	movl	$EDEADLK, %ecx
 	jmp	9b
 
 6:	movl	%ebp, %eax
@@ -181,4 +186,7 @@ pthread_rwlock_timedwrlock:
 
 18:	movl	$ETIMEDOUT, %ecx
 	jmp	9b
+
+19:	movl	$EINVAL, %ecx
+	jmp	9b
 	.size	pthread_rwlock_timedwrlock,.-pthread_rwlock_timedwrlock
diff --git a/nptl/tst-attr1.c b/nptl/tst-attr1.c
index bfa7075018..c5870beb5b 100644
--- a/nptl/tst-attr1.c
+++ b/nptl/tst-attr1.c
@@ -35,6 +35,14 @@ do_test (void)
       exit (1);
     }
 
+  pthread_mutexattr_t ma;
+
+  if (pthread_mutexattr_init (&ma) != 0)
+    {
+      puts ("mutexattr_init failed");
+      exit (1);
+    }
+
   /* XXX Remove if default value is clear.  */
   pthread_attr_setinheritsched (&a, PTHREAD_INHERIT_SCHED);
   pthread_attr_setschedpolicy (&a, SCHED_OTHER);
@@ -143,6 +151,31 @@ contentionscope changed to %d by invalid setscope call\n", s);
 	      exit (1);
 	    }
 	}
+
+      if (r != PTHREAD_PROCESS_PRIVATE && r != PTHREAD_PROCESS_SHARED)
+	{
+	  int e = pthread_mutexattr_setpshared (&ma, r);
+
+	  if (e == 0)
+	    {
+	      printf ("mutexattr_setpshared with value %ld succeeded\n", r);
+	      exit (1);
+	    }
+
+	  int s;
+	  if (pthread_mutexattr_getpshared (&ma, &s) != 0)
+	    {
+	      puts ("mutexattr_getpshared failed");
+	      exit (1);
+	    }
+
+	  if (s != PTHREAD_PROCESS_PRIVATE)
+	    {
+	      printf ("\
+pshared changed to %d by invalid mutexattr_setpshared call\n", s);
+	      exit (1);
+	    }
+	}
     }
 
   return 0;
diff --git a/nptl/tst-clock1.c b/nptl/tst-clock1.c
index e0ab3024d3..fbb5fa907e 100644
--- a/nptl/tst-clock1.c
+++ b/nptl/tst-clock1.c
@@ -19,6 +19,7 @@
 
 #include <pthread.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <time.h>
 #include <unistd.h>
 
diff --git a/nptl/tst-rwlock6.c b/nptl/tst-rwlock6.c
index f0a96e8965..ea7f4ba634 100644
--- a/nptl/tst-rwlock6.c
+++ b/nptl/tst-rwlock6.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -76,6 +76,24 @@ tf (void *arg)
       pthread_exit ((void *) 1l);
     }
 
+  (void) gettimeofday (&tv, NULL);
+  TIMEVAL_TO_TIMESPEC (&tv, &ts);
+  ts.tv_sec += 10;
+  /* Note that the following operation makes ts invalid.  */
+  ts.tv_nsec += 1000000000;
+
+  err = pthread_rwlock_timedrdlock (r, &ts);
+  if (err == 0)
+    {
+      puts ("2nd timedrdlock succeeded");
+      pthread_exit ((void *) 1l);
+    }
+  if (err != EINVAL)
+    {
+      puts ("2nd timedrdlock did not return EINVAL");
+      pthread_exit ((void *) 1l);
+    }
+
   return NULL;
 }
 
@@ -128,6 +146,36 @@ do_test (void)
 	  exit (1);
 	}
 
+      (void) gettimeofday (&tv, NULL);
+      TIMEVAL_TO_TIMESPEC (&tv, &ts);
+      ++ts.tv_sec;
+      int e = pthread_rwlock_timedrdlock (&r, &ts);
+      if (e == 0)
+	{
+	  puts ("timedrdlock succeeded");
+	  exit (1);
+	}
+      if (e != EDEADLK)
+	{
+	  puts ("timedrdlock did not return EDEADLK");
+	  exit (1);
+	}
+
+      (void) gettimeofday (&tv, NULL);
+      TIMEVAL_TO_TIMESPEC (&tv, &ts);
+      ++ts.tv_sec;
+      e = pthread_rwlock_timedwrlock (&r, &ts);
+      if (e == 0)
+	{
+	  puts ("2nd timedwrlock succeeded");
+	  exit (1);
+	}
+      if (e != EDEADLK)
+	{
+	  puts ("2nd timedwrlock did not return EDEADLK");
+	  exit (1);
+	}
+
       pthread_t th;
       if (pthread_create (&th, NULL, tf, &r) != 0)
 	{
diff --git a/nptl/tst-rwlock7.c b/nptl/tst-rwlock7.c
index 41e5af3ba8..4d7af6ca77 100644
--- a/nptl/tst-rwlock7.c
+++ b/nptl/tst-rwlock7.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -76,6 +76,24 @@ tf (void *arg)
       pthread_exit ((void *) 1l);
     }
 
+  (void) gettimeofday (&tv, NULL);
+  TIMEVAL_TO_TIMESPEC (&tv, &ts);
+  ts.tv_sec += 10;
+  /* Note that the following operation makes ts invalid.  */
+  ts.tv_nsec += 1000000000;
+
+  err = pthread_rwlock_timedwrlock (r, &ts);
+  if (err == 0)
+    {
+      puts ("2nd timedwrlock succeeded");
+      pthread_exit ((void *) 1l);
+    }
+  if (err != EINVAL)
+    {
+      puts ("2nd timedwrlock did not return EINVAL");
+      pthread_exit ((void *) 1l);
+    }
+
   return NULL;
 }
 
@@ -124,7 +142,7 @@ do_test (void)
       /* Get a read lock.  */
       if (pthread_rwlock_timedrdlock (&r, &ts) != 0)
 	{
-	  printf ("round %d: rwlock_wrlock failed\n", cnt);
+	  printf ("round %d: rwlock_timedrdlock failed\n", cnt);
 	  exit (1);
 	}
 
diff --git a/nptl/tst-umask1.c b/nptl/tst-umask1.c
index 22e3831b11..42d2e6810c 100644
--- a/nptl/tst-umask1.c
+++ b/nptl/tst-umask1.c
@@ -104,7 +104,7 @@ do_test (const char *fname)
   pthread_barrier_init (&bar, NULL, 2);
 
   pthread_t th;
-  if (pthread_create (&th, NULL, tf, fname) != 0)
+  if (pthread_create (&th, NULL, tf, (void *) fname) != 0)
     {
       puts ("cannot create thread");
       exit (1);