Sam Lantinga
959cfc428e
Fixed memory barrier macro check so it isn't quite so fragile
2019-06-30 23:58:31 -07:00
Sam Lantinga
a8bea85810
Limit the compile error to the case where we actually define the memory barrier macro as the function
2019-06-30 23:55:28 -07:00
Sam Lantinga
cc47810d36
Fixed bug 4683 - SDL_atomic infinite recursion on armv6/armv5 w/ thumb
...
The real problem is that SDL_atomic.c was built in thumb mode instead of ARM mode, which is required to use the mcr instruction on ARM platforms. Added a compiler error to catch this case so we don't generate code that does infinite recursion.
I also added a potentially better way to handle things on Linux ARM platforms, based on comments in the Chromium headers, which we can try out after 2.0.10 ships.
2019-06-30 23:26:16 -07:00
Sam Lantinga
5e13087b0f
Updated copyright for 2019
2019-01-04 22:01:14 -08:00
Ozkan Sezer
d9fb77a3c1
SDL_atomic.c, SDL_spinlock.c: use lock prefix with xchg in Watcom asm.
2018-09-27 11:55:02 +03:00
Ozkan Sezer
949b8bd8c5
correct the comment correction..
2018-06-30 20:10:40 +03:00
Ozkan Sezer
67f18a1973
comment correction
2018-06-30 20:04:01 +03:00
Ryan C. Gordon
52857de251
Corrected a comment.
2018-06-29 16:55:55 -04:00
Ryan C. Gordon
3b173f818d
Patched to compile on Visual Studio (typo).
2018-06-25 23:00:38 -04:00
Ryan C. Gordon
58168a8c3c
atomic: Fight with all the assemblers that don't like REP NOP. :/
2018-06-25 16:34:16 -04:00
Ryan C. Gordon
5f123e31a3
atomic: Spin locks now try to use the x86 PAUSE instruction for short waits.
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Fixes Bugzilla #4151 .
2018-06-25 15:58:35 -04:00
Sam Lantinga
e3cc5b2c6b
Updated copyright for 2018
2018-01-03 10:03:25 -08:00
Ozkan Sezer
500378eb52
Add atomics for Watcom/x86 as inline asm
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Partially fixes Bugzilla #3758 .
2017-08-18 16:35:55 -04:00
Ryan C. Gordon
1d1a0d7f03
atomic: Patched to compile on Android.
2017-04-13 15:28:56 -04:00
Ryan C. Gordon
1c9c7633d9
atomic: favor compiler intrinsics for compare-and-swap over macOS APIs.
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The OSAtomicCompareAndSwap* APIs are deprecated as of macOS 10.12.
2017-04-13 13:28:52 -04:00
Ryan C. Gordon
8c00de57f6
atomic: let Clang always use atomic_load_n if available.
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(Apple's Clang reports itself as GCC 4.2.1 in preprocessor macros--the final
GNU C compiler Apple shipped--as of the macOS 10.12 SDK.)
2017-04-13 13:22:23 -04:00
Sam Lantinga
7891e72dca
__atomic_load_n() appears to be available in GCC 5 but not GCC 4
2017-03-30 06:52:34 -07:00
Ryan C. Gordon
f2179944cc
Patched to compile on some platforms.
2017-03-29 12:04:17 -04:00
James Legg
1dc9ae5c1e
Use GCC's atomic loads in SDL_AtomicGet and SDL_AtomicGetPtr
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This fixes errors reported by address sanitizer, and generates simpler
code on x86 architectures.
2017-03-29 15:48:22 +01:00
Sam Lantinga
06ccb71bcd
Make sure the memory barrier functions are always available, and now they are implemented on Android __ARM_ARCH_5TE__
2017-02-10 11:21:15 -08:00
Sam Lantinga
45b774e3f7
Updated copyright for 2017
2017-01-01 18:33:28 -08:00
Sam Lantinga
42065e785d
Updated copyright to 2016
2016-01-02 10:10:34 -08:00
Philipp Wiesemann
0e45984fa0
Fixed crash if initialization of EGL failed but was tried again later.
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The internal function SDL_EGL_LoadLibrary() did not delete and remove a mostly
uninitialized data structure if loading the library first failed. A later try to
use EGL then skipped initialization and assumed it was previously successful
because the data structure now already existed. This led to at least one crash
in the internal function SDL_EGL_ChooseConfig() because a NULL pointer was
dereferenced to make a call to eglBindAPI().
2015-06-21 17:33:46 +02:00
