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Diffstat (limited to 'nptl/sysdeps/pthread/bits/stdio-lock.h')
-rw-r--r--nptl/sysdeps/pthread/bits/stdio-lock.h25
1 files changed, 23 insertions, 2 deletions
diff --git a/nptl/sysdeps/pthread/bits/stdio-lock.h b/nptl/sysdeps/pthread/bits/stdio-lock.h
index fbb14a1120..3bc3c06314 100644
--- a/nptl/sysdeps/pthread/bits/stdio-lock.h
+++ b/nptl/sysdeps/pthread/bits/stdio-lock.h
@@ -1,5 +1,5 @@
-/* Thread package specific definitions of stream lock type. Generic version.
- Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+/* Thread package specific definitions of stream lock type. NPTL version.
+ Copyright (C) 2000, 2001, 2002, 2003 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
@@ -85,5 +85,26 @@ typedef struct { int lock; int cnt; void *owner; } _IO_lock_t;
#define _IO_cleanup_region_end(_doit) \
__libc_cleanup_region_end (_doit)
+#if defined _LIBC && !defined NOT_IN_libc
+
+# ifdef __EXCEPTIONS
+# define _IO_acquire_lock(_fp) \
+ do { \
+ auto inline __attribute__((always_inline)) void \
+ _IO_acquire_lock_fct (int *p __attribute__ ((__unused__))) \
+ { \
+ if (((_fp)->_flags & _IO_USER_LOCK) == 0) \
+ _IO_funlockfile (_fp); \
+ } \
+ int _IO_acquire_lock_dummy \
+ __attribute__ ((cleanup (_IO_acquire_lock_fct))); \
+ _IO_flockfile (_fp)
+
+# else
+# define _IO_acquire_lock(_fp) _IO_acquire_lock_needs_exceptions_enabled
+# endif
+# define _IO_release_lock(_fp) ; } while (0)
+
+#endif
#endif /* bits/stdio-lock.h */