mirror of
https://github.com/nginx/nginx.git
synced 2025-01-10 12:08:29 +08:00
c2807ecf45
*) Feature: the "restrict_host_names" directive was canceled.
*) Feature: the --with-cpu-opt=ppc64 configuration parameter.
*) Bugfix: on some condition the proxied connection with a client was
terminated prematurely.
Thanks to Vladimir Shutoff.
*) Bugfix: the "X-Accel-Limit-Rate" header line was not taken into
account if the request was redirected using the "X-Accel-Redirect"
header line.
*) Bugfix: the "post_action" directive ran only after a successful
completion of a request.
*) Bugfix: the proxied response body generated by the "post_action"
directive was transferred to a client.
191 lines
3.9 KiB
C
191 lines
3.9 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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*/
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#ifndef _NGX_ATOMIC_H_INCLUDED_
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#define _NGX_ATOMIC_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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#if ( __i386__ || __i386 )
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typedef int32_t ngx_atomic_int_t;
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typedef uint32_t ngx_atomic_uint_t;
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typedef volatile ngx_atomic_uint_t ngx_atomic_t;
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#define NGX_ATOMIC_T_LEN sizeof("-2147483648") - 1
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#if ( __SUNPRO_C )
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#define NGX_HAVE_ATOMIC_OPS 1
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ngx_atomic_uint_t
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ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old,
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ngx_atomic_uint_t set);
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ngx_atomic_int_t
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ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add);
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/* the code in src/os/unix/ngx_sunpro_x86.il */
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#define ngx_memory_barrier() __asm (".volatile"); __asm (".nonvolatile")
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#define ngx_cpu_pause() __asm ("pause")
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#else /* ( __GNUC__ || __INTEL_COMPILER ) */
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#define NGX_HAVE_ATOMIC_OPS 1
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#include "ngx_gcc_atomic_x86.h"
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#endif
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#elif ( __amd64__ || __amd64 )
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typedef int64_t ngx_atomic_int_t;
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typedef uint64_t ngx_atomic_uint_t;
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typedef volatile ngx_atomic_uint_t ngx_atomic_t;
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#define NGX_ATOMIC_T_LEN sizeof("-9223372036854775808") - 1
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#if ( __SUNPRO_C )
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#define NGX_HAVE_ATOMIC_OPS 1
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ngx_atomic_uint_t
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ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old,
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ngx_atomic_uint_t set);
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ngx_atomic_int_t
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ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add);
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/* the code in src/os/unix/ngx_sunpro_amd64.il */
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#define ngx_memory_barrier() __asm (".volatile"); __asm (".nonvolatile")
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#define ngx_cpu_pause() __asm ("pause")
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#else /* ( __GNUC__ || __INTEL_COMPILER ) */
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#define NGX_HAVE_ATOMIC_OPS 1
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#include "ngx_gcc_atomic_amd64.h"
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#endif
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#elif ( __sparc__ || __sparcv9 )
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#if (NGX_PTR_SIZE == 8)
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typedef int64_t ngx_atomic_int_t;
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typedef uint64_t ngx_atomic_uint_t;
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#define NGX_ATOMIC_T_LEN sizeof("-9223372036854775808") - 1
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#else
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typedef int32_t ngx_atomic_int_t;
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typedef uint32_t ngx_atomic_uint_t;
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#define NGX_ATOMIC_T_LEN sizeof("-2147483648") - 1
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#endif
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typedef volatile ngx_atomic_uint_t ngx_atomic_t;
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#if ( __SUNPRO_C )
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#define NGX_HAVE_ATOMIC_OPS 1
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#include "ngx_sunpro_atomic_sparc64.h"
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#else /* ( __GNUC__ || __INTEL_COMPILER ) */
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#define NGX_HAVE_ATOMIC_OPS 1
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#include "ngx_gcc_atomic_sparc64.h"
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#endif
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#elif ( __powerpc__ || __POWERPC__ )
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#define NGX_HAVE_ATOMIC_OPS 1
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#if (NGX_PTR_SIZE == 8)
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typedef int64_t ngx_atomic_int_t;
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typedef uint64_t ngx_atomic_uint_t;
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#define NGX_ATOMIC_T_LEN sizeof("-9223372036854775808") - 1
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#else
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typedef int32_t ngx_atomic_int_t;
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typedef uint32_t ngx_atomic_uint_t;
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#define NGX_ATOMIC_T_LEN sizeof("-2147483648") - 1
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#endif
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typedef volatile ngx_atomic_uint_t ngx_atomic_t;
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#include "ngx_gcc_atomic_ppc.h"
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#endif
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#if !(NGX_HAVE_ATOMIC_OPS)
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#define NGX_HAVE_ATOMIC_OPS 0
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typedef int32_t ngx_atomic_int_t;
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typedef uint32_t ngx_atomic_uint_t;
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typedef volatile ngx_atomic_uint_t ngx_atomic_t;
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#define NGX_ATOMIC_T_LEN sizeof("-2147483648") - 1
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static ngx_inline ngx_atomic_uint_t
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ngx_atomic_cmp_set(ngx_atomic_t *lock, ngx_atomic_uint_t old,
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ngx_atomic_uint_t set)
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{
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if (*lock == old) {
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*lock = set;
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return 1;
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}
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return 0;
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}
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static ngx_inline ngx_atomic_int_t
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ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add)
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{
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ngx_atomic_int_t old;
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old = *value;
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*value += add;
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return old;
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}
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#define ngx_memory_barrier()
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#define ngx_cpu_pause()
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#endif
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void ngx_spinlock(ngx_atomic_t *lock, ngx_atomic_int_t value, ngx_uint_t spin);
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#define ngx_trylock(lock) (*(lock) == 0 && ngx_atomic_cmp_set(lock, 0, 1))
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#define ngx_unlock(lock) *(lock) = 0
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#endif /* _NGX_ATOMIC_H_INCLUDED_ */
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