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bx: further refactor #ifdefs

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Trying to evaluate __GLIBC__ will result in an error if is not defined,
if the preprocessor does not short-cut the evaluation.

Split the macros onto separate lines and define the result in a new
BX_USE_GLIBC_PTHREAD_SETNAME_NP macro to avoid duplication.
This commit is contained in:
Steven Chamberlain 2016-07-13 14:48:02 +01:00
parent 423097c40f
commit 6256946dee
1 changed files with 12 additions and 5 deletions
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17
3rdparty/bx/include/bx/thread.h vendored
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@ -6,12 +6,19 @@
#ifndef BX_THREAD_H_HEADER_GUARD
#define BX_THREAD_H_HEADER_GUARD
#define BX_USE_GLIBC_PTHREAD_SETNAME_NP 0
#if defined(__GLIBC__)
# if ( (__GLIBC__ > 2) || ( (__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 12) ) )
# define BX_USE_GLIBC_PTHREAD_SETNAME_NP 1
# endif
#endif
#if BX_PLATFORM_POSIX
# include <pthread.h>
# if defined(__GLIBC__)
# if !( (__GLIBC__ > 2) || ( (__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 12) ) )
# include <sys/prctl.h>
# endif
# if BX_USE_GLIBC_PTHREAD_SETNAME_NP
/* pthread.h provides pthread_setname_np */
# elif defined(BX_PLATFORM_LINUX)
# include <sys/prctl.h>
# elif defined(BX_PLATFORM_BSD)
# include <pthread_np.h>
# endif
@ -158,7 +165,7 @@ namespace bx
{
#if BX_PLATFORM_OSX || BX_PLATFORM_IOS
pthread_setname_np(_name);
#elif defined(__GLIBC__) && (__GLIBC__ > 2) || ( (__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 12) )
#elif BX_USE_GLIBC_PTHREAD_SETNAME_NP
pthread_setname_np(m_handle, _name);
#elif BX_PLATFORM_LINUX
prctl(PR_SET_NAME,_name, 0, 0, 0);