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Fix __PTHREAD_MUTEX_HAVE_ELISION -Wundef warning

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ChangeLog:

2014-03-17  Will Newton  <will.newton@linaro.org>

	* nptl/sysdeps/pthread/pthread.h: Check
	__PTHREAD_MUTEX_HAVE_ELISION is defined before testing
	its value.
This commit is contained in:
Will Newton 2014-03-17 10:16:53 +00:00
parent ae42bbc55a
commit 788bba368c
2 changed files with 15 additions and 5 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2014-03-17 Will Newton <will.newton@linaro.org>
* nptl/sysdeps/pthread/pthread.h: Check
__PTHREAD_MUTEX_HAVE_ELISION is defined before testing
its value.
2014-03-17 Siddhesh Poyarekar <siddhesh@redhat.com>
* libio/iofdopen.c (_IO_new_fdopen): Seek to end only if

14
nptl/sysdeps/pthread/pthread.h
View File

@ -83,12 +83,16 @@ enum
/* Mutex initializers. */
#if __PTHREAD_MUTEX_HAVE_ELISION == 1 /* 64bit layout. */
#define __PTHREAD_SPINS 0, 0
#elif __PTHREAD_MUTEX_HAVE_ELISION == 2 /* 32bit layout. */
#define __PTHREAD_SPINS { 0, 0 }
#ifdef __PTHREAD_MUTEX_HAVE_ELISION
# if __PTHREAD_MUTEX_HAVE_ELISION == 1 /* 64bit layout. */
# define __PTHREAD_SPINS 0, 0
# elif __PTHREAD_MUTEX_HAVE_ELISION == 2 /* 32bit layout. */
# define __PTHREAD_SPINS { 0, 0 }
# else
# error "Unknown value of __PTHREAD_MUTEX_HAVE_ELISION"
# endif
#else
#define __PTHREAD_SPINS 0
# define __PTHREAD_SPINS 0
#endif
#ifdef __PTHREAD_MUTEX_HAVE_PREV