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view src/os/unix/ngx_sunpro_amd64.il @ 218:1bf60f8c5c9e NGINX_0_3_56

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nginx 0.3.56 *) Feature: the "dav_access" directive. *) Feature: the "if" directive supports the "-d", "!-d", "-e", "!-e", "-x", and "!-x" operators. *) Bugfix: a segmentation fault occurred if an request returned an redirect and some sent to client header lines were logged in the access log.
author Igor Sysoev <http://sysoev.ru>
date Fri, 04 Aug 2006 00:00:00 +0400
parents dad2fe8ecf08
children 95183808f549
line wrap: on
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/
/ Copyright (C) Igor Sysoev
/

/ ngx_atomic_uint_t ngx_atomic_cmp_set(ngx_atomic_t *lock,
/     ngx_atomic_uint_t old, ngx_atomic_uint_t set);
/
/ the arguments are passed in %rdi, %rsi, %rdx
/ the result is returned in the %rax

        .inline ngx_atomic_cmp_set,0
        movq      %rsi, %rax
        lock
        cmpxchgq  %rdx, (%rdi)
        setz      %al
        movzbq    %al, %rax
        .end


/ ngx_atomic_int_t ngx_atomic_fetch_add(ngx_atomic_t *value,
/     ngx_atomic_int_t add);
/
/ the arguments are passed in %rdi, %rsi
/ the result is returned in the %rax

        .inline ngx_atomic_fetch_add,0
        movq      %rsi, %rax
        lock
        xaddq     %rax, (%rdi)
        .end