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move atomic logic from mjit.c from ruby_atomic.h

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This macro shall be shared among other files, not just for mjit.c.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64156 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
shyouhei 2018-08-01 03:40:37 +00:00
parent 740a1706c8
commit e62214be87
2 changed files with 5 additions and 9 deletions
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10
mjit.c
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@ -140,15 +140,7 @@ typedef intptr_t pid_t;
#endif
/* Atomically set function pointer if possible. */
#ifdef _WIN32
# ifdef InterlockedExchangePointer
# define MJIT_ATOMIC_SET(var, val) InterlockedExchangePointer((void **)&(var), (void *)val)
# else
# define MJIT_ATOMIC_SET(var, val) (void)((var) = (val))
# endif
#else
# define MJIT_ATOMIC_SET(var, val) ATOMIC_SET(var, val)
#endif
#define MJIT_ATOMIC_SET(var, val) ATOMIC_PTR_EXCHANGE(var, val)
/* A copy of MJIT portion of MRI options since MJIT initialization. We
need them as MJIT threads still can work when the most MRI data were

4
ruby_atomic.h
View file

@ -90,6 +90,10 @@ rb_w32_atomic_cas(volatile rb_atomic_t *var, rb_atomic_t oldval, rb_atomic_t new
# define ATOMIC_SIZE_EXCHANGE(var, val) InterlockedExchange((LONG *)&(var), (val))
# endif
# ifdef InterlockedExchangePointer
# define ATOMIC_PTR_EXCHANGE(var, val) InterlockedExchangePointer((PVOID volatile *)&(var), (PVOID)(val))
# endif /* See below for definitions of other situations */
#elif defined(__sun) && defined(HAVE_ATOMIC_H)
#include <atomic.h>
typedef unsigned int rb_atomic_t;