atomic_set.h File Reference

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

Include dependency graph for spu_source/atomic_set.h:

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Functions
static __inline void	_atomic_set (atomic_ea_t v, int val)

---

Function Documentation

static __inline void _atomic_set	(	atomic_ea_t	v,
		int	val
	)		[static]

atomic_set - atomically set a counter in system memory. : handle to effective address of counter.

Atomically set a counter to a given value. The only restriction is that must be word aligned.

This routine implements the "fetch and store" primitive that is described in "Book I PowerPC User Instruction Set Architecture", but uses MFC lock line reservation operations instead of lwarx/stwcx.

Returns the previous value from system memory.

References ATOMIC_OP.