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-rw-r--r--linuxthreads/ChangeLog4
-rw-r--r--linuxthreads/sysdeps/pthread/bits/libc-lock.h7
2 files changed, 8 insertions, 3 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index 4b4de6a250..c89ef1e515 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,7 @@
+1998-06-07 13:47 Ulrich Drepper <drepper@cygnus.com>
+
+ * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
+
1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* attr.c: Correct typo.
diff --git a/linuxthreads/sysdeps/pthread/bits/libc-lock.h b/linuxthreads/sysdeps/pthread/bits/libc-lock.h
index 530d48c6da..ed64cbfa0f 100644
--- a/linuxthreads/sysdeps/pthread/bits/libc-lock.h
+++ b/linuxthreads/sysdeps/pthread/bits/libc-lock.h
@@ -1,5 +1,5 @@
/* libc-internal interface for mutex locks. LinuxThreads version.
- Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -119,13 +119,14 @@ typedef pthread_key_t __libc_key_t;
/* Start critical region with cleanup. */
#define __libc_cleanup_region_start(FCT, ARG) \
{ struct _pthread_cleanup_buffer _buffer; \
- if (_pthread_cleanup_push_defer != NULL) { \
+ int _avail = _pthread_cleanup_push_defer != NULL; \
+ if (_avail) { \
_pthread_cleanup_push_defer (&_buffer, (FCT), (ARG)); \
}
/* End critical region with cleanup. */
#define __libc_cleanup_region_end(DOIT) \
- if (_pthread_cleanup_push_defer != NULL) { \
+ if (_avail) { \
_pthread_cleanup_pop_restore (&_buffer, (DOIT)); \
} \
}