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nexedi
linux
Commits
52d38af5
Commit
52d38af5
authored
May 14, 2004
by
Andrew Morton
Committed by
Linus Torvalds
May 14, 2004
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[PATCH] Implement atomic_inc_and_test() on various architectures
It's easy to do when the arch provides atomic_inc_return().
parent
ebc7bc42
Changes
10
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10 changed files
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91 additions
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+91
-0
include/asm-h8300/atomic.h
include/asm-h8300/atomic.h
+10
-0
include/asm-m68knommu/atomic.h
include/asm-m68knommu/atomic.h
+10
-0
include/asm-parisc/atomic.h
include/asm-parisc/atomic.h
+10
-0
include/asm-ppc/atomic.h
include/asm-ppc/atomic.h
+10
-0
include/asm-ppc64/atomic.h
include/asm-ppc64/atomic.h
+10
-0
include/asm-s390/atomic.h
include/asm-s390/atomic.h
+1
-0
include/asm-sh/atomic.h
include/asm-sh/atomic.h
+10
-0
include/asm-sparc/atomic.h
include/asm-sparc/atomic.h
+10
-0
include/asm-sparc64/atomic.h
include/asm-sparc64/atomic.h
+10
-0
include/asm-v850/atomic.h
include/asm-v850/atomic.h
+10
-0
No files found.
include/asm-h8300/atomic.h
View file @
52d38af5
...
...
@@ -50,6 +50,16 @@ static __inline__ int atomic_inc_return(atomic_t *v)
#define atomic_inc(v) atomic_inc_return(v)
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
static
__inline__
int
atomic_dec_return
(
atomic_t
*
v
)
{
int
ret
,
flags
;
...
...
include/asm-m68knommu/atomic.h
View file @
52d38af5
...
...
@@ -114,6 +114,16 @@ extern __inline__ int atomic_sub_return(int i, atomic_t * v)
#define atomic_dec_return(v) atomic_sub_return(1,(v))
#define atomic_inc_return(v) atomic_add_return(1,(v))
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
#define atomic_sub_and_test(i,v) (atomic_sub_return((i), (v)) == 0)
#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0)
...
...
include/asm-parisc/atomic.h
View file @
52d38af5
...
...
@@ -187,6 +187,16 @@ static __inline__ int atomic_read(const atomic_t *v)
#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
#define atomic_dec_and_test(v) (atomic_dec_return(v) == 0)
#define ATOMIC_INIT(i) { (i) }
...
...
include/asm-ppc/atomic.h
View file @
52d38af5
...
...
@@ -134,6 +134,16 @@ static __inline__ int atomic_inc_return(atomic_t *v)
return
t
;
}
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
static
__inline__
void
atomic_dec
(
atomic_t
*
v
)
{
int
t
;
...
...
include/asm-ppc64/atomic.h
View file @
52d38af5
...
...
@@ -120,6 +120,16 @@ static __inline__ int atomic_inc_return(atomic_t *v)
return
t
;
}
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
static
__inline__
void
atomic_dec
(
atomic_t
*
v
)
{
int
t
;
...
...
include/asm-s390/atomic.h
View file @
52d38af5
...
...
@@ -69,6 +69,7 @@ static __inline__ int atomic_inc_return(volatile atomic_t * v)
{
return
__CS_LOOP
(
v
,
1
,
"ar"
);
}
static
__inline__
int
atomic_inc_and_test
(
volatile
atomic_t
*
v
)
{
return
__CS_LOOP
(
v
,
1
,
"ar"
)
!=
0
;
...
...
include/asm-sh/atomic.h
View file @
52d38af5
...
...
@@ -71,6 +71,16 @@ static __inline__ int atomic_sub_return(int i, atomic_t * v)
#define atomic_dec_return(v) atomic_sub_return(1,(v))
#define atomic_inc_return(v) atomic_add_return(1,(v))
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
#define atomic_sub_and_test(i,v) (atomic_sub_return((i), (v)) == 0)
#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0)
...
...
include/asm-sparc/atomic.h
View file @
52d38af5
...
...
@@ -35,6 +35,16 @@ extern void atomic_set(atomic_t *, int);
#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
#define atomic_dec_and_test(v) (atomic_dec_return(v) == 0)
/* This is the old 24-bit implementation. It's still used internally
...
...
include/asm-sparc64/atomic.h
View file @
52d38af5
...
...
@@ -40,6 +40,16 @@ extern int __atomic64_sub(__s64, atomic64_t *);
#define atomic_inc_return(v) __atomic_add(1, v)
#define atomic64_inc_return(v) __atomic64_add(1, v)
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
#define atomic_sub_and_test(i, v) (__atomic_sub(i, v) == 0)
#define atomic64_sub_and_test(i, v) (__atomic64_sub(i, v) == 0)
...
...
include/asm-v850/atomic.h
View file @
52d38af5
...
...
@@ -76,6 +76,16 @@ static __inline__ void atomic_clear_mask (unsigned long mask, unsigned long *add
#define atomic_inc(v) atomic_inc_return (v)
#define atomic_dec(v) atomic_dec_return (v)
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
#define atomic_sub_and_test(i,v) (atomic_sub_return ((i), (v)) == 0)
#define atomic_dec_and_test(v) (atomic_sub_return (1, (v)) == 0)
#define atomic_add_negative(i,v) (atomic_add_return ((i), (v)) < 0)
...
...
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