Leahnaya/SDL
1
0
Fork 0
mirror of https://github.com/yawut/SDL.git synced 2026-04-26 17:16:51 -05:00
Code Issues Actions Packages Projects Releases Wiki Activity

HAVE_GCC_ATOMICS covers the test and set

Browse Source
This commit is contained in:
Sam Lantinga 2011-01-21 21:45:55 -08:00
parent 3b73c8e006
commit cabda4aa7c
3 changed files with 13 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
configure.in
View File

@ -311,8 +311,7 @@ if test x$enable_gcc_atomics = xyes; then
if test x$have_gcc_atomics = xyes; then
AC_DEFINE(HAVE_GCC_ATOMICS)
fi
else
# See if we have the minimum operation needed for GCC atomics
AC_TRY_LINK([
],[
@ -325,6 +324,7 @@ if test x$enable_gcc_atomics = xyes; then
AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET)
fi
fi
fi
# Standard C sources
SOURCES="$SOURCES $srcdir/src/*.c"

1
include/SDL_config_iphoneos.h
View File

@ -44,7 +44,6 @@ typedef unsigned long uintptr_t;
#define SDL_HAS_64BIT_TYPE 1
#define HAVE_GCC_ATOMICS 1
#define HAVE_GCC_SYNC_LOCK_TEST_AND_SET 1
#define HAVE_ALLOCA_H 1
#define HAVE_SYS_TYPES_H 1

2
src/atomic/SDL_spinlock.c
View File

@ -36,7 +36,7 @@ SDL_AtomicTryLock(SDL_SpinLock *lock)
#elif defined(__MACOSX__)
return OSAtomicCompareAndSwap32Barrier(0, 1, lock);
#elif defined(HAVE_GCC_SYNC_LOCK_TEST_AND_SET)
#elif defined(HAVE_GCC_ATOMICS) || defined(HAVE_GCC_SYNC_LOCK_TEST_AND_SET)
return (__sync_lock_test_and_set(lock, 1) == 0);
#elif defined(__GNUC__) && defined(__arm__) && defined(__ARM_ARCH_5__)