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authorUlrich Drepper <drepper@redhat.com>2005-12-23 23:49:41 +0000
committerUlrich Drepper <drepper@redhat.com>2005-12-23 23:49:41 +0000
commitdcc73a8ddac3311936c9737f8ebbf2f448bc1f8f (patch)
tree0899785a64542b68ec688426feae299856de9000 /nptl
parent9256e5794fea8a5e0fd60f141a74df9056c4719d (diff)
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* pthread_mutex_destroy.c: Set mutex type to an invalid value.
* pthread_mutex_lock.c: Return EINVAL for invalid mutex type. * pthread_mutex_trylock.c: Likewise. * pthread_mutex_timedlock.c: Likewise. * pthread_mutex_unlock.c: Likewise.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/ChangeLog8
-rw-r--r--nptl/pthread_mutex_destroy.c5
-rw-r--r--nptl/pthread_mutex_lock.c8
-rw-r--r--nptl/pthread_mutex_timedlock.c8
-rw-r--r--nptl/pthread_mutex_trylock.c8
-rw-r--r--nptl/pthread_mutex_unlock.c8
6 files changed, 32 insertions, 13 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 9a171ef204..74cf9a9c57 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,11 @@
+2005-12-23 Ulrich Drepper <drepper@redhat.com>
+
+ * pthread_mutex_destroy.c: Set mutex type to an invalid value.
+ * pthread_mutex_lock.c: Return EINVAL for invalid mutex type.
+ * pthread_mutex_trylock.c: Likewise.
+ * pthread_mutex_timedlock.c: Likewise.
+ * pthread_mutex_unlock.c: Likewise.
+
2005-12-22 Roland McGrath <roland@redhat.com>
* sysdeps/pthread/sigaction.c: Use "" instead of <> to include self,
diff --git a/nptl/pthread_mutex_destroy.c b/nptl/pthread_mutex_destroy.c
index 91ccfb0d29..2bf76a9da3 100644
--- a/nptl/pthread_mutex_destroy.c
+++ b/nptl/pthread_mutex_destroy.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -28,6 +28,9 @@ __pthread_mutex_destroy (mutex)
if (mutex->__data.__nusers != 0)
return EBUSY;
+ /* Set to an invalid value. */
+ mutex->__data.__kind = -1;
+
return 0;
}
strong_alias (__pthread_mutex_destroy, pthread_mutex_destroy)
diff --git a/nptl/pthread_mutex_lock.c b/nptl/pthread_mutex_lock.c
index ee39f20820..a2d0afbe15 100644
--- a/nptl/pthread_mutex_lock.c
+++ b/nptl/pthread_mutex_lock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -68,8 +68,6 @@ __pthread_mutex_lock (mutex)
/* FALLTHROUGH */
- default:
- /* Correct code cannot set any other type. */
case PTHREAD_MUTEX_TIMED_NP:
simple:
/* Normal mutex. */
@@ -102,6 +100,10 @@ __pthread_mutex_lock (mutex)
mutex->__data.__spins += (cnt - mutex->__data.__spins) / 8;
}
break;
+
+ default:
+ /* Correct code cannot set any other type. */
+ return EINVAL;
}
/* Record the ownership. */
diff --git a/nptl/pthread_mutex_timedlock.c b/nptl/pthread_mutex_timedlock.c
index 1cd2c7e606..06bdf9d1cc 100644
--- a/nptl/pthread_mutex_timedlock.c
+++ b/nptl/pthread_mutex_timedlock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -70,8 +70,6 @@ pthread_mutex_timedlock (mutex, abstime)
/* FALLTHROUGH */
- default:
- /* Correct code cannot set any other type. */
case PTHREAD_MUTEX_TIMED_NP:
simple:
/* Normal mutex. */
@@ -104,6 +102,10 @@ pthread_mutex_timedlock (mutex, abstime)
mutex->__data.__spins += (cnt - mutex->__data.__spins) / 8;
}
break;
+
+ default:
+ /* Correct code cannot set any other type. */
+ return EINVAL;
}
if (result == 0)
diff --git a/nptl/pthread_mutex_trylock.c b/nptl/pthread_mutex_trylock.c
index 7008af3d97..a50b9173ac 100644
--- a/nptl/pthread_mutex_trylock.c
+++ b/nptl/pthread_mutex_trylock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -57,8 +57,6 @@ __pthread_mutex_trylock (mutex)
case PTHREAD_MUTEX_ERRORCHECK_NP:
/* Error checking mutex. We do not check for deadlocks. */
- default:
- /* Correct code cannot set any other type. */
case PTHREAD_MUTEX_TIMED_NP:
case PTHREAD_MUTEX_ADAPTIVE_NP:
/* Normal mutex. */
@@ -70,6 +68,10 @@ __pthread_mutex_trylock (mutex)
return 0;
}
+
+ default:
+ /* Correct code cannot set any other type. */
+ return EINVAL;
}
return EBUSY;
diff --git a/nptl/pthread_mutex_unlock.c b/nptl/pthread_mutex_unlock.c
index 32bc2a4bc1..5f097a596d 100644
--- a/nptl/pthread_mutex_unlock.c
+++ b/nptl/pthread_mutex_unlock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -47,12 +47,14 @@ __pthread_mutex_unlock_usercnt (mutex, decr)
return EPERM;
break;
- default:
- /* Correct code cannot set any other type. */
case PTHREAD_MUTEX_TIMED_NP:
case PTHREAD_MUTEX_ADAPTIVE_NP:
/* Normal mutex. Nothing special to do. */
break;
+
+ default:
+ /* Correct code cannot set any other type. */
+ return EINVAL;
}
/* Always reset the owner field. */