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atomic: Add const declaration to atomic_get

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The atomic_get() function is a read-only API which doesn't modify the
value given to it. The input parameter should therefore be declared as
const.

Change-Id: I084b7beb623610412f9237fc9dae6139580e2636
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Johan Hedberg 2015-06-03 09:44:08 +07:00 • committed by Anas Nashif
commit 24c44026db
2 changed files with 2 additions and 2 deletions
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2
arch/x86/core/nanoatomic_nolock.c
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@ -199,7 +199,7 @@ atomic_val_t atomic_dec(
* RETURNS: The value read from <target> * RETURNS: The value read from <target>
*/ */
atomic_val_t atomic_get(atomic_t *target /* memory location to read from */ atomic_val_t atomic_get(const atomic_t *target /* memory location to read from */
) )
{ {
return *target; return *target;

2
include/atomic.h
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@ -49,7 +49,7 @@ extern atomic_val_t atomic_or(atomic_t *target, atomic_val_t value);
extern atomic_val_t atomic_sub(atomic_t *target, atomic_val_t value); extern atomic_val_t atomic_sub(atomic_t *target, atomic_val_t value);
extern atomic_val_t atomic_xor(atomic_t *target, atomic_val_t value); extern atomic_val_t atomic_xor(atomic_t *target, atomic_val_t value);
extern atomic_val_t atomic_clear(atomic_t *target); extern atomic_val_t atomic_clear(atomic_t *target);
extern atomic_val_t atomic_get(atomic_t *target); extern atomic_val_t atomic_get(const atomic_t *target);
extern atomic_val_t atomic_set(atomic_t *target, atomic_val_t value); extern atomic_val_t atomic_set(atomic_t *target, atomic_val_t value);
extern int atomic_cas(atomic_t *target, extern int atomic_cas(atomic_t *target,
atomic_val_t oldValue, atomic_val_t newValue); atomic_val_t oldValue, atomic_val_t newValue);