X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=urcu%2Fuatomic_generic.h;h=337fe4098bf8337649f9a6bb52af4f9359453091;hb=f7a3d9d917966b0acb45399a66d42dd7e7acb0ca;hp=93435d1434a4d83cffad14b3605189c3b3563756;hpb=1b27a7725e853b9f0673a0ed2639b8dc1065f21b;p=urcu.git diff --git a/urcu/uatomic_generic.h b/urcu/uatomic_generic.h index 93435d1..337fe40 100644 --- a/urcu/uatomic_generic.h +++ b/urcu/uatomic_generic.h @@ -29,11 +29,11 @@ extern "C" { #endif #ifndef uatomic_set -#define uatomic_set(addr, v) STORE_SHARED(*(addr), (v)) +#define uatomic_set(addr, v) CMM_STORE_SHARED(*(addr), (v)) #endif #ifndef uatomic_read -#define uatomic_read(addr) LOAD_SHARED(*(addr)) +#define uatomic_read(addr) CMM_LOAD_SHARED(*(addr)) #endif #if !defined __OPTIMIZE__ || defined UATOMIC_NO_LINK_ERROR @@ -71,7 +71,7 @@ unsigned long _uatomic_cmpxchg(void *addr, unsigned long old, #endif case 4: return __sync_val_compare_and_swap_4(addr, old, _new); -#if (BITS_PER_LONG == 64) +#if (CAA_BITS_PER_LONG == 64) case 8: return __sync_val_compare_and_swap_8(addr, old, _new); #endif @@ -87,6 +87,72 @@ unsigned long _uatomic_cmpxchg(void *addr, unsigned long old, sizeof(*(addr)))) +/* uatomic_and */ + +#ifndef uatomic_and +static inline __attribute__((always_inline)) +void _uatomic_and(void *addr, unsigned long val, + int len) +{ + switch (len) { +#ifdef UATOMIC_HAS_ATOMIC_BYTE + case 1: + __sync_and_and_fetch_1(addr, val); +#endif +#ifdef UATOMIC_HAS_ATOMIC_SHORT + case 2: + __sync_and_and_fetch_2(addr, val); +#endif + case 4: + __sync_and_and_fetch_4(addr, val); +#if (CAA_BITS_PER_LONG == 64) + case 8: + __sync_and_and_fetch_8(addr, val); +#endif + } + _uatomic_link_error(); + return 0; +} + +#define uatomic_and(addr, v) \ + (_uatomic_and((addr), \ + (unsigned long)(v), \ + sizeof(*(addr)))) +#endif + +/* uatomic_or */ + +#ifndef uatomic_or +static inline __attribute__((always_inline)) +void _uatomic_or(void *addr, unsigned long val, + int len) +{ + switch (len) { +#ifdef UATOMIC_HAS_ATOMIC_BYTE + case 1: + __sync_or_and_fetch_1(addr, val); +#endif +#ifdef UATOMIC_HAS_ATOMIC_SHORT + case 2: + __sync_or_and_fetch_2(addr, val); +#endif + case 4: + __sync_or_and_fetch_4(addr, val); +#if (CAA_BITS_PER_LONG == 64) + case 8: + __sync_or_and_fetch_8(addr, val); +#endif + } + _uatomic_link_error(); + return 0; +} + +#define uatomic_or(addr, v) \ + (_uatomic_or((addr), \ + (unsigned long)(v), \ + sizeof(*(addr)))) +#endif + /* uatomic_add_return */ #ifndef uatomic_add_return @@ -105,7 +171,7 @@ unsigned long _uatomic_add_return(void *addr, unsigned long val, #endif case 4: return __sync_add_and_fetch_4(addr, val); -#if (BITS_PER_LONG == 64) +#if (CAA_BITS_PER_LONG == 64) case 8: return __sync_add_and_fetch_8(addr, val); #endif @@ -158,11 +224,11 @@ unsigned long _uatomic_exchange(void *addr, unsigned long val, int len) do { old = uatomic_read((unsigned int *)addr); - while (!__sync_bool_compare_and_swap_4(addr, old, val)); + } while (!__sync_bool_compare_and_swap_4(addr, old, val)); - } return old; + return old; } -#if (BITS_PER_LONG == 64) +#if (CAA_BITS_PER_LONG == 64) case 8: { unsigned long old; @@ -186,6 +252,134 @@ unsigned long _uatomic_exchange(void *addr, unsigned long val, int len) #else /* #ifndef uatomic_cmpxchg */ +#ifndef uatomic_and +/* uatomic_and */ + +static inline __attribute__((always_inline)) +void _uatomic_and(void *addr, unsigned long val, int len) +{ + switch (len) { +#ifdef UATOMIC_HAS_ATOMIC_BYTE + case 1: + { + unsigned char old, oldt; + + oldt = uatomic_read((unsigned char *)addr); + do { + old = oldt; + oldt = _uatomic_cmpxchg(addr, old, old & val, 1); + } while (oldt != old); + } +#endif +#ifdef UATOMIC_HAS_ATOMIC_SHORT + case 2: + { + unsigned short old, oldt; + + oldt = uatomic_read((unsigned short *)addr); + do { + old = oldt; + oldt = _uatomic_cmpxchg(addr, old, old & val, 2); + } while (oldt != old); + } +#endif + case 4: + { + unsigned int old, oldt; + + oldt = uatomic_read((unsigned int *)addr); + do { + old = oldt; + oldt = _uatomic_cmpxchg(addr, old, old & val, 4); + } while (oldt != old); + } +#if (CAA_BITS_PER_LONG == 64) + case 8: + { + unsigned long old, oldt; + + oldt = uatomic_read((unsigned long *)addr); + do { + old = oldt; + oldt = _uatomic_cmpxchg(addr, old, old & val, 8); + } while (oldt != old); + } +#endif + } + _uatomic_link_error(); + return 0; +} + +#define uatomic_and(addr, v) \ + (uatomic_and((addr), \ + (unsigned long)(v), \ + sizeof(*(addr)))) +#endif /* #ifndef uatomic_and */ + +#ifndef uatomic_or +/* uatomic_or */ + +static inline __attribute__((always_inline)) +void _uatomic_or(void *addr, unsigned long val, int len) +{ + switch (len) { +#ifdef UATOMIC_HAS_ATOMIC_BYTE + case 1: + { + unsigned char old, oldt; + + oldt = uatomic_read((unsigned char *)addr); + do { + old = oldt; + oldt = _uatomic_cmpxchg(addr, old, old | val, 1); + } while (oldt != old); + } +#endif +#ifdef UATOMIC_HAS_ATOMIC_SHORT + case 2: + { + unsigned short old, oldt; + + oldt = uatomic_read((unsigned short *)addr); + do { + old = oldt; + oldt = _uatomic_cmpxchg(addr, old, old | val, 2); + } while (oldt != old); + } +#endif + case 4: + { + unsigned int old, oldt; + + oldt = uatomic_read((unsigned int *)addr); + do { + old = oldt; + oldt = _uatomic_cmpxchg(addr, old, old | val, 4); + } while (oldt != old); + } +#if (CAA_BITS_PER_LONG == 64) + case 8: + { + unsigned long old, oldt; + + oldt = uatomic_read((unsigned long *)addr); + do { + old = oldt; + oldt = _uatomic_cmpxchg(addr, old, old | val, 8); + } while (oldt != old); + } +#endif + } + _uatomic_link_error(); + return 0; +} + +#define uatomic_or(addr, v) \ + (uatomic_or((addr), \ + (unsigned long)(v), \ + sizeof(*(addr)))) +#endif /* #ifndef uatomic_or */ + #ifndef uatomic_add_return /* uatomic_add_return */ @@ -201,7 +395,8 @@ unsigned long _uatomic_add_return(void *addr, unsigned long val, int len) oldt = uatomic_read((unsigned char *)addr); do { old = oldt; - oldt = _uatomic_cmpxchg(addr, old, old + val, 1); + oldt = uatomic_cmpxchg((unsigned char *)addr, + old, old + val); } while (oldt != old); return old + val; @@ -215,7 +410,8 @@ unsigned long _uatomic_add_return(void *addr, unsigned long val, int len) oldt = uatomic_read((unsigned short *)addr); do { old = oldt; - oldt = _uatomic_cmpxchg(addr, old, old + val, 2); + oldt = uatomic_cmpxchg((unsigned short *)addr, + old, old + val); } while (oldt != old); return old + val; @@ -228,12 +424,13 @@ unsigned long _uatomic_add_return(void *addr, unsigned long val, int len) oldt = uatomic_read((unsigned int *)addr); do { old = oldt; - oldt = _uatomic_cmpxchg(addr, old, old + val, 4); + oldt = uatomic_cmpxchg((unsigned int *)addr, + old, old + val); } while (oldt != old); return old + val; } -#if (BITS_PER_LONG == 64) +#if (CAA_BITS_PER_LONG == 64) case 8: { unsigned long old, oldt; @@ -241,7 +438,8 @@ unsigned long _uatomic_add_return(void *addr, unsigned long val, int len) oldt = uatomic_read((unsigned long *)addr); do { old = oldt; - oldt = _uatomic_cmpxchg(addr, old, old + val, 8); + oldt = uatomic_cmpxchg((unsigned long *)addr, + old, old + val); } while (oldt != old); return old + val; @@ -273,7 +471,8 @@ unsigned long _uatomic_exchange(void *addr, unsigned long val, int len) oldt = uatomic_read((unsigned char *)addr); do { old = oldt; - oldt = _uatomic_cmpxchg(addr, old, val, 1); + oldt = uatomic_cmpxchg((unsigned char *)addr, + old, val); } while (oldt != old); return old; @@ -287,7 +486,8 @@ unsigned long _uatomic_exchange(void *addr, unsigned long val, int len) oldt = uatomic_read((unsigned short *)addr); do { old = oldt; - oldt = _uatomic_cmpxchg(addr, old, val, 2); + oldt = uatomic_cmpxchg((unsigned short *)addr, + old, val); } while (oldt != old); return old; @@ -300,12 +500,13 @@ unsigned long _uatomic_exchange(void *addr, unsigned long val, int len) oldt = uatomic_read((unsigned int *)addr); do { old = oldt; - oldt = _uatomic_cmpxchg(addr, old, val, 4); + oldt = uatomic_cmpxchg((unsigned int *)addr, + old, val); } while (oldt != old); return old; } -#if (BITS_PER_LONG == 64) +#if (CAA_BITS_PER_LONG == 64) case 8: { unsigned long old, oldt; @@ -313,7 +514,8 @@ unsigned long _uatomic_exchange(void *addr, unsigned long val, int len) oldt = uatomic_read((unsigned long *)addr); do { old = oldt; - oldt = _uatomic_cmpxchg(addr, old, val, 8); + oldt = uatomic_cmpxchg((unsigned long *)addr, + old, val); } while (oldt != old); return old;