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2010-02-27 Aurelien Jarno <aurelien@aurel32.net>
* pthreadP.h(INVALID_TD_P, INVALID_NOT_TERMINATED_TD_P): detect
NULL pointers.
---
sysdeps/nptl/pthreadP.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/sysdeps/nptl/pthreadP.h
+++ b/sysdeps/nptl/pthreadP.h
@@ -242,8 +242,8 @@
/* This will not catch all invalid descriptors but is better than
nothing. And if the test triggers the thread descriptor is
guaranteed to be invalid. */
-#define INVALID_TD_P(pd) __builtin_expect ((pd)->tid <= 0, 0)
-#define INVALID_NOT_TERMINATED_TD_P(pd) __builtin_expect ((pd)->tid < 0, 0)
+#define INVALID_TD_P(pd) __builtin_expect (!pd || ((pd)->tid <= 0), 0)
+#define INVALID_NOT_TERMINATED_TD_P(pd) __builtin_expect (!pd || ((pd)->tid < 0), 0)
extern void __pthread_unwind (__pthread_unwind_buf_t *__buf)
__cleanup_fct_attribute __attribute ((__noreturn__))
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