diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/nxt_atomic.h | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/src/nxt_atomic.h b/src/nxt_atomic.h index 585d0be2..376375c5 100644 --- a/src/nxt_atomic.h +++ b/src/nxt_atomic.h @@ -67,81 +67,6 @@ typedef volatile nxt_atomic_uint_t nxt_atomic_t; #endif -#elif (NXT_HAVE_SOLARIS_ATOMIC) /* Solaris 10 */ - -#include <atomic.h> - -typedef long nxt_atomic_int_t; -typedef ulong_t nxt_atomic_uint_t; -typedef volatile nxt_atomic_uint_t nxt_atomic_t; - - -#define nxt_atomic_cmp_set(lock, cmp, set) \ - (atomic_cas_ulong(lock, cmp, set) == (ulong_t) cmp) - - -#define nxt_atomic_xchg(lock, set) \ - atomic_add_swap(lock, set) - - -#define nxt_atomic_fetch_add(value, add) \ - (atomic_add_long_nv(value, add) - add) - - -#define nxt_atomic_or_fetch(ptr, val) \ - atomic_or_ulong_nv(ptr, val) - - -#define nxt_atomic_and_fetch(ptr, val) \ - atomic_and_ulong_nv(ptr, val) - - -/* - * Solaris uses SPARC Total Store Order model. In this model: - * 1) Each atomic load-store instruction behaves as if it were followed by - * #LoadLoad, #LoadStore, and #StoreStore barriers. - * 2) Each load instruction behaves as if it were followed by - * #LoadLoad and #LoadStore barriers. - * 3) Each store instruction behaves as if it were followed by - * #StoreStore barrier. - * - * In X86_64 atomic instructions set a full barrier and usual instructions - * set implicit #LoadLoad, #LoadStore, and #StoreStore barriers. - * - * An acquire barrier requires at least #LoadLoad and #LoadStore barriers - * and they are provided by atomic load-store instruction. - * - * A release barrier requires at least #LoadStore and #StoreStore barriers, - * so a lock release does not require an explicit barrier: all load - * instructions in critical section is followed by implicit #LoadStore - * barrier and all store instructions are followed by implicit #StoreStore - * barrier. - */ - -#define nxt_atomic_try_lock(lock) \ - nxt_atomic_cmp_set(lock, 0, 1) - - -#define nxt_atomic_release(lock) \ - *lock = 0; - - -/* - * The "rep; nop" is used instead of "pause" to omit the "[ PAUSE ]" hardware - * capability added by linker since Solaris ld.so.1 does not know about it: - * - * ld.so.1: ...: fatal: hardware capability unsupported: 0x2000 [ PAUSE ] - */ - -#if (__i386__ || __i386 || __amd64__ || __amd64) -#define nxt_cpu_pause() \ - __asm__ ("rep; nop") - -#else -#define nxt_cpu_pause() -#endif - - /* elif (NXT_HAVE_MACOSX_ATOMIC) */ /* |