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| author | Will Newton <will.newton@linaro.org> | 2014-03-17 10:16:53 +0000 |
|---|---|---|
| committer | Will Newton <will.newton@linaro.org> | 2014-03-17 16:05:22 +0000 |
| commit | 788bba368c2eaf8aa3fd2ca18d269395d6bc8afb (patch) | |
| tree | ee5e373caa7cd2ea57f61e00ea3f9907fc2f3ece /nptl/sysdeps/pthread/pthread.h | |
| parent | ae42bbc55a9e05976269026ddabcfb917f6e922f (diff) | |
| download | glibc-788bba368c2eaf8aa3fd2ca18d269395d6bc8afb.tar.gz glibc-788bba368c2eaf8aa3fd2ca18d269395d6bc8afb.tar.xz glibc-788bba368c2eaf8aa3fd2ca18d269395d6bc8afb.zip | |
Fix __PTHREAD_MUTEX_HAVE_ELISION -Wundef warning
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.
Diffstat (limited to 'nptl/sysdeps/pthread/pthread.h')
| -rw-r--r-- | nptl/sysdeps/pthread/pthread.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/nptl/sysdeps/pthread/pthread.h b/nptl/sysdeps/pthread/pthread.h index 1e0c5dc937..142da639e4 100644 --- a/nptl/sysdeps/pthread/pthread.h +++ b/nptl/sysdeps/pthread/pthread.h @@ -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 |