Author: imp
Date: Fri Dec 14 19:48:42 2018
New Revision: 342095
URL: https://svnweb.freebsd.org/changeset/base/342095
Log:
atomic_cmpset return value is also an int.
Modified:
head/sys/mips/include/atomic.h
Modified: head/sys/mips/include/atomic.h
==============================================================================
--- head/sys/mips/include/atomic.h Fri Dec 14 19:14:51 2018
(r342094)
+++ head/sys/mips/include/atomic.h Fri Dec 14 19:48:42 2018
(r342095)
@@ -348,10 +348,10 @@ ATOMIC_STORE_LOAD(64)
* two values are equal, update the value of *p with newval. Returns
* zero if the compare failed, nonzero otherwise.
*/
-static __inline uint32_t
+static __inline int
atomic_cmpset_32(__volatile uint32_t *p, uint32_t cmpval, uint32_t newval)
{
- uint32_t ret;
+ int ret;
__asm __volatile (
"1:\tll %0, %4\n\t" /* load old value */
@@ -375,7 +375,7 @@ atomic_cmpset_32(__volatile uint32_t *p, uint32_t cmpv
* two values are equal, update the value of *p with newval. Returns
* zero if the compare failed, nonzero otherwise.
*/
-static __inline uint32_t
+static __inline int
atomic_cmpset_acq_32(__volatile uint32_t *p, uint32_t cmpval, uint32_t newval)
{
int retval;
@@ -385,7 +385,7 @@ atomic_cmpset_acq_32(__volatile uint32_t *p, uint32_t
return (retval);
}
-static __inline uint32_t
+static __inline int
atomic_cmpset_rel_32(__volatile uint32_t *p, uint32_t cmpval, uint32_t newval)
{
mips_sync();
@@ -457,10 +457,10 @@ atomic_fetchadd_32(__volatile uint32_t *p, uint32_t v)
* two values are equal, update the value of *p with newval. Returns
* zero if the compare failed, nonzero otherwise.
*/
-static __inline uint64_t
+static __inline int
atomic_cmpset_64(__volatile uint64_t *p, uint64_t cmpval, uint64_t newval)
{
- uint64_t ret;
+ int ret;
__asm __volatile (
"1:\n\t"
@@ -485,7 +485,7 @@ atomic_cmpset_64(__volatile uint64_t *p, uint64_t cmpv
* two values are equal, update the value of *p with newval. Returns
* zero if the compare failed, nonzero otherwise.
*/
-static __inline uint64_t
+static __inline int
atomic_cmpset_acq_64(__volatile uint64_t *p, uint64_t cmpval, uint64_t newval)
{
int retval;
@@ -495,7 +495,7 @@ atomic_cmpset_acq_64(__volatile uint64_t *p, uint64_t
return (retval);
}
-static __inline uint64_t
+static __inline int
atomic_cmpset_rel_64(__volatile uint64_t *p, uint64_t cmpval, uint64_t newval)
{
mips_sync();
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