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Steve Lhomme
VLC
Commits
952a943a
Commit
952a943a
authored
Sep 21, 2008
by
Rémi Denis-Courmont
Browse files
Use GCC predefines for atomic builtins
parent
1c6ba8c0
Changes
1
Hide whitespace changes
Inline
Side-by-side
src/libvlc.c
View file @
952a943a
...
...
@@ -76,12 +76,6 @@
# include <hal/libhal.h>
#endif
#if defined(__GNUC__)
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)
#define USE_SYNC
#endif
#endif
#include
<vlc_playlist.h>
#include
<vlc_interface.h>
...
...
@@ -131,8 +125,9 @@ void *vlc_gc_init (gc_object_t *p_gc, void (*pf_destruct) (gc_object_t *))
p_gc
->
pf_destructor
=
pf_destruct
;
p_gc
->
refs
=
1
;
#ifdef
USE_SYNC
#if
def
ined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
__sync_synchronize
();
#elif defined (WIN32)
#elif defined(__APPLE__)
OSMemoryBarrier
();
#else
...
...
@@ -154,13 +149,13 @@ void *vlc_hold (gc_object_t * p_gc)
uintptr_t
refs
;
assert
(
p_gc
);
#if defined (WIN32)
#if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
refs
=
__sync_fetch_and_add
(
&
p_gc
->
refs
,
1
);
#elif defined (WIN32)
refs
=
-
1
+
__builtin_choose_expr
(
sizeof
(
uintptr_t
)
==
4
,
InterlockedIncrement
(
&
p_gc
->
refs
),
InterlockedIncrement64
(
&
p_gc
->
refs
));
#elif defined (USE_SYNC)
refs
=
__sync_fetch_and_add
(
&
p_gc
->
refs
,
1
);
#elif defined(__APPLE__)
refs
=
OSAtomicIncrement32Barrier
((
int
*
)
&
p_gc
->
refs
)
-
1
;
#else
...
...
@@ -182,13 +177,13 @@ void vlc_release (gc_object_t *p_gc)
assert
(
p_gc
);
#if defined (WIN32)
#if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
refs
=
__sync_fetch_and_sub
(
&
p_gc
->
refs
,
1
);
#elif defined (WIN32)
refs
=
1
+
__builtin_choose_expr
(
sizeof
(
uintptr_t
)
==
4
,
InterlockedDecrement
(
&
p_gc
->
refs
),
InterlockedDecrement64
(
&
p_gc
->
refs
));
#elif defined (USE_SYNC)
refs
=
__sync_fetch_and_sub
(
&
p_gc
->
refs
,
1
);
#elif defined(__APPLE__)
refs
=
OSAtomicDecrement32Barrier
((
int
*
)
&
p_gc
->
refs
)
+
1
;
#else
...
...
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