mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-10-29 05:40:25 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Renamed ATOMIC->ATOMIC_SMP_LOCK

Browse source
This commit is contained in:
Jaroslav Kysela 2003-02-20 19:24:01 +00:00
parent 1c908a75c1
commit 8d2eecb547
1 changed files with 13 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

24
include/iatomic.h
View file

@ -8,7 +8,7 @@
* resource counting etc..
*/
#define LOCK "lock ; "
#define ATOMIC_SMP_LOCK "lock ; "
/*
* Make sure gcc doesn't try to be clever and move things around
@ -49,7 +49,7 @@ typedef struct { volatile int counter; } atomic_t;
static __inline__ void atomic_add(int i, atomic_t *v)
{
__asm__ __volatile__(
LOCK "addl %1,%0"
ATOMIC_SMP_LOCK "addl %1,%0"
:"=m" (v->counter)
:"ir" (i), "m" (v->counter));
}
@ -65,7 +65,7 @@ static __inline__ void atomic_add(int i, atomic_t *v)
static __inline__ void atomic_sub(int i, atomic_t *v)
{
__asm__ __volatile__(
LOCK "subl %1,%0"
ATOMIC_SMP_LOCK "subl %1,%0"
:"=m" (v->counter)
:"ir" (i), "m" (v->counter));
}
@ -85,7 +85,7 @@ static __inline__ int atomic_sub_and_test(int i, atomic_t *v)
unsigned char c;
__asm__ __volatile__(
LOCK "subl %2,%0; sete %1"
ATOMIC_SMP_LOCK "subl %2,%0; sete %1"
:"=m" (v->counter), "=qm" (c)
:"ir" (i), "m" (v->counter) : "memory");
return c;
@ -101,7 +101,7 @@ static __inline__ int atomic_sub_and_test(int i, atomic_t *v)
static __inline__ void atomic_inc(atomic_t *v)
{
__asm__ __volatile__(
LOCK "incl %0"
ATOMIC_SMP_LOCK "incl %0"
:"=m" (v->counter)
:"m" (v->counter));
}
@ -116,7 +116,7 @@ static __inline__ void atomic_inc(atomic_t *v)
static __inline__ void atomic_dec(atomic_t *v)
{
__asm__ __volatile__(
LOCK "decl %0"
ATOMIC_SMP_LOCK "decl %0"
:"=m" (v->counter)
:"m" (v->counter));
}
@ -135,7 +135,7 @@ static __inline__ int atomic_dec_and_test(atomic_t *v)
unsigned char c;
__asm__ __volatile__(
LOCK "decl %0; sete %1"
ATOMIC_SMP_LOCK "decl %0; sete %1"
:"=m" (v->counter), "=qm" (c)
:"m" (v->counter) : "memory");
return c != 0;
@ -155,7 +155,7 @@ static __inline__ int atomic_inc_and_test(atomic_t *v)
unsigned char c;
__asm__ __volatile__(
LOCK "incl %0; sete %1"
ATOMIC_SMP_LOCK "incl %0; sete %1"
:"=m" (v->counter), "=qm" (c)
:"m" (v->counter) : "memory");
return c != 0;
@ -176,7 +176,7 @@ static __inline__ int atomic_add_negative(int i, atomic_t *v)
unsigned char c;
__asm__ __volatile__(
LOCK "addl %2,%0; sets %1"
ATOMIC_SMP_LOCK "addl %2,%0; sets %1"
:"=m" (v->counter), "=qm" (c)
:"ir" (i), "m" (v->counter) : "memory");
return c;
@ -184,11 +184,11 @@ static __inline__ int atomic_add_negative(int i, atomic_t *v)
/* These are x86-specific, used by some header files */
#define atomic_clear_mask(mask, addr) \
__asm__ __volatile__(LOCK "andl %0,%1" \
__asm__ __volatile__(ATOMIC_SMP_LOCK "andl %0,%1" \
: : "r" (~(mask)),"m" (*addr) : "memory")
#define atomic_set_mask(mask, addr) \
__asm__ __volatile__(LOCK "orl %0,%1" \
__asm__ __volatile__(ATOMIC_SMP_LOCK "orl %0,%1" \
: : "r" (mask),"m" (*addr) : "memory")
/*
@ -216,6 +216,8 @@ __asm__ __volatile__(LOCK "orl %0,%1" \
#define wmb() asm volatile("sfence":::"memory")
#endif
#undef ATOMIC_SMP_LOCK
#define IATOMIC_DEFINED 1
#endif /* __i386__ */