Ruby  1.9.3p547(2014-05-14revision45962)
Macros | Typedefs | Functions
ruby_atomic.h File Reference
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Macros

#define NEED_RUBY_ATOMIC_EXCHANGE
 
#define ATOMIC_SET(var, val)   (void)((var) = (val))
 
#define ATOMIC_INC(var)   ((var)++)
 
#define ATOMIC_DEC(var)   ((var)--)
 
#define ATOMIC_OR(var, val)   ((var) |= (val))
 
#define ATOMIC_EXCHANGE(var, val)   ruby_atomic_exchange(&(var), (val))
 
#define ATOMIC_CAS(var, oldval, newval)   ruby_atomic_compare_and_swap(&(var), (oldval), (newval))
 
#define ATOMIC_SIZE_ADD(var, val)   (void)((var) += (val))
 
#define ATOMIC_SIZE_SUB(var, val)   (void)((var) -= (val))
 
#define ATOMIC_SIZE_INC(var)   ((var)++)
 
#define ATOMIC_SIZE_DEC(var)   ((var)--)
 
#define ATOMIC_SIZE_EXCHANGE(var, val)   atomic_size_exchange(&(var), (val))
 
#define ATOMIC_SIZE_CAS(var, oldval, val)   ATOMIC_CAS(var, oldval, val)
 
#define ATOMIC_PTR_EXCHANGE(var, val)   (void *)ATOMIC_SIZE_EXCHANGE(*(size_t *)&(var), (size_t)(val))
 
#define ATOMIC_PTR_CAS(var, oldval, val)   (void *)ATOMIC_SIZE_CAS(*(size_t *)&(var), (size_t)(oldval), (size_t)(val))
 

Typedefs

typedef int rb_atomic_t
 

Functions

rb_atomic_t ruby_atomic_exchange (rb_atomic_t *ptr, rb_atomic_t val)
 
rb_atomic_t ruby_atomic_compare_and_swap (rb_atomic_t *ptr, rb_atomic_t cmp, rb_atomic_t newval)
 
static size_t atomic_size_exchange (size_t *ptr, size_t val)
 

Macro Definition Documentation

#define ATOMIC_CAS (   var,
  oldval,
  newval 
)    ruby_atomic_compare_and_swap(&(var), (oldval), (newval))

Definition at line 144 of file ruby_atomic.h.

#define ATOMIC_DEC (   var)    ((var)--)

Definition at line 141 of file ruby_atomic.h.

Referenced by rb_get_next_signal().

#define ATOMIC_EXCHANGE (   var,
  val 
)    ruby_atomic_exchange(&(var), (val))
#define ATOMIC_INC (   var)    ((var)++)

Definition at line 140 of file ruby_atomic.h.

Referenced by sighandler().

#define ATOMIC_OR (   var,
  val 
)    ((var) |= (val))

Definition at line 142 of file ruby_atomic.h.

#define ATOMIC_PTR_CAS (   var,
  oldval,
  val 
)    (void *)ATOMIC_SIZE_CAS(*(size_t *)&(var), (size_t)(oldval), (size_t)(val))

Definition at line 171 of file ruby_atomic.h.

Referenced by iseq_load().

#define ATOMIC_PTR_EXCHANGE (   var,
  val 
)    (void *)ATOMIC_SIZE_EXCHANGE(*(size_t *)&(var), (size_t)(val))

Definition at line 166 of file ruby_atomic.h.

Referenced by finalize_deferred().

#define ATOMIC_SET (   var,
  val 
)    (void)((var) = (val))

Definition at line 139 of file ruby_atomic.h.

Referenced by rb_gc_finalize_deferred(), and rb_objspace_call_finalizer().

#define ATOMIC_SIZE_ADD (   var,
  val 
)    (void)((var) += (val))

Definition at line 146 of file ruby_atomic.h.

#define ATOMIC_SIZE_CAS (   var,
  oldval,
  val 
)    ATOMIC_CAS(var, oldval, val)

Definition at line 161 of file ruby_atomic.h.

#define ATOMIC_SIZE_DEC (   var)    ((var)--)

Definition at line 149 of file ruby_atomic.h.

#define ATOMIC_SIZE_EXCHANGE (   var,
  val 
)    atomic_size_exchange(&(var), (val))

Definition at line 150 of file ruby_atomic.h.

#define ATOMIC_SIZE_INC (   var)    ((var)++)

Definition at line 148 of file ruby_atomic.h.

#define ATOMIC_SIZE_SUB (   var,
  val 
)    (void)((var) -= (val))

Definition at line 147 of file ruby_atomic.h.

#define NEED_RUBY_ATOMIC_EXCHANGE

Definition at line 133 of file ruby_atomic.h.

Typedef Documentation

typedef int rb_atomic_t

Definition at line 132 of file ruby_atomic.h.

Function Documentation

static size_t atomic_size_exchange ( size_t *  ptr,
size_t  val 
)
inlinestatic

Definition at line 152 of file ruby_atomic.h.

rb_atomic_t ruby_atomic_compare_and_swap ( rb_atomic_t ptr,
rb_atomic_t  cmp,
rb_atomic_t  newval 
)

Definition at line 34 of file signal.c.

rb_atomic_t ruby_atomic_exchange ( rb_atomic_t ptr,
rb_atomic_t  val 
)

Definition at line 26 of file signal.c.