atomic_dec_and_test.h File Reference

#include <sync_utils.h>
#include <atomic.h>

Include dependency graph for spu_source/atomic_dec_and_test.h:

Go to the source code of this file.

Functions
static __inline int	_atomic_dec_and_test (atomic_ea_t v)

---

Function Documentation

static __inline int _atomic_dec_and_test

(

atomic_ea_t

v

)

[static]

atomic_dec_and_test - atomically decrement and test if previous==0. : handle to effective address of counter.

Atomically decrement a counter in system memory and test if previous==0. The only restriction is that must be word aligned.

Returns the previous value from system memory.

References ATOMIC_OP.