diff options
Diffstat (limited to 'app/nginx/src/os/unix/ngx_sunpro_atomic_sparc64.h')
-rw-r--r-- | app/nginx/src/os/unix/ngx_sunpro_atomic_sparc64.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/app/nginx/src/os/unix/ngx_sunpro_atomic_sparc64.h b/app/nginx/src/os/unix/ngx_sunpro_atomic_sparc64.h new file mode 100644 index 0000000..5f28055 --- /dev/null +++ b/app/nginx/src/os/unix/ngx_sunpro_atomic_sparc64.h @@ -0,0 +1,61 @@ + +/* + * Copyright (C) Igor Sysoev + * Copyright (C) Nginx, Inc. + */ + + +#if (NGX_PTR_SIZE == 4) +#define NGX_CASA ngx_casa +#else +#define NGX_CASA ngx_casxa +#endif + + +ngx_atomic_uint_t +ngx_casa(ngx_atomic_uint_t set, ngx_atomic_uint_t old, ngx_atomic_t *lock); + +ngx_atomic_uint_t +ngx_casxa(ngx_atomic_uint_t set, ngx_atomic_uint_t old, ngx_atomic_t *lock); + +/* the code in src/os/unix/ngx_sunpro_sparc64.il */ + + +static ngx_inline ngx_atomic_uint_t +ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old, + ngx_atomic_uint_t set) +{ + set = NGX_CASA(set, old, lock); + + return (set == old); +} + + +static ngx_inline ngx_atomic_int_t +ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add) +{ + ngx_atomic_uint_t old, res; + + old = *value; + + for ( ;; ) { + + res = old + add; + + res = NGX_CASA(res, old, value); + + if (res == old) { + return res; + } + + old = res; + } +} + + +#define ngx_memory_barrier() \ + __asm (".volatile"); \ + __asm ("membar #LoadLoad | #LoadStore | #StoreStore | #StoreLoad"); \ + __asm (".nonvolatile") + +#define ngx_cpu_pause() |