Mercurial > hg > nginx-vendor-0-7
view src/os/unix/ngx_gcc_atomic_ppc.h @ 508:68c0ae0a4959 NGINX_0_7_66
nginx 0.7.66
*) Security: now nginx/Windows ignores default file stream name.
Thanks to Jose Antonio Vazquez Gonzalez.
*) Change: now the charset filter runs before the SSI filter.
*) Change: now no message is written in an error log if a variable is
not found by $r->variable() method.
*) Change: now keepalive connections after POST requests are not
disabled for MSIE 7.0+.
Thanks to Adam Lounds.
*) Feature: the "proxy_no_cache" and "fastcgi_no_cache" directives.
*) Feature: now the "rewrite" directive does a redirect automatically
if the $scheme variable is used.
Thanks to Piotr Sikora.
*) Feature: the "chunked_transfer_encoding" directive.
*) Feature: the $geoip_city_continent_code, $geoip_latitude, and
$geoip_longitude variables.
Thanks to Arvind Sundararajan.
*) Feature: now the ngx_http_image_filter_module deletes always EXIF
and other application specific data if the data consume more than 5%
of a JPEG file.
*) Feature: now the "msie_padding" directive works for Chrome too.
*) Workaround: now keepalive connections are disabled for Safari.
Thanks to Joshua Sierles.
*) Bugfix: nginx ignored the "private" and "no-store" values in the
"Cache-Control" backend response header line.
*) Bugfix: an "&" character was not escaped when it was copied in
arguments part in a rewrite rule.
*) Bugfix: nginx might be terminated abnormally while a signal
processing or if the directive "timer_resolution" was used on
platforms which do not support kqueue or eventport notification
methods.
Thanks to George Xie and Maxim Dounin.
*) Bugfix: if temporary files and permanent storage area resided at
different file systems, then permanent file modification times were
incorrect.
Thanks to Maxim Dounin.
*) Bugfix: ngx_http_memcached_module might issue the error message
"memcached sent invalid trailer".
Thanks to Maxim Dounin.
*) Bugfix: nginx could not built zlib-1.2.4 library using the library
sources.
Thanks to Maxim Dounin.
*) Bugfix: values of the $query_string, $arg_..., etc. variables cached
in main request were used by the SSI module in subrequests.
*) Bugfix: nginx did not support HTTPS referrers.
*) Bugfix: nginx/Windows might not find file if path in configuration
was given in other character case; the bug had appeared in 0.7.65.
*) Bugfix: the $date_local variable has an incorrect value, if the "%s"
format was used.
Thanks to Maxim Dounin.
*) Bugfix: nginx did not support all ciphers and digests used in client
certificates.
Thanks to Innocenty Enikeew.
*) Bugfix: if ssl_session_cache was not set or was set to "none", then
during client certificate verify the error "session id context
uninitialized" might occur; the bug had appeared in 0.7.1.
*) Bugfix: OpenSSL-1.0.0 compatibility on 64-bit Linux.
Thanks to Maxim Dounin.
*) Bugfix: a geo range returned default value if the range included two
or more /16 networks and did not begin at /16 network boundary.
*) Bugfix: the $uid_got variable might not be used in the SSI and perl
modules.
*) Bugfix: a worker process hung if a FIFO file was requested.
Thanks to Vicente Aguilar and Maxim Dounin.
*) Bugfix: a variable value was repeatedly encoded after each an "echo"
SSI-command output; the bug had appeared in 0.6.14.
*) Bugfix: a "stub" parameter of an "include" SSI directive was not
used, if empty response has 200 status code.
*) Bugfix: a block used in a "stub" parameter of an "include" SSI
directive was output with "text/plain" MIME type.
*) Bugfix: if a proxied or FastCGI request was internally redirected to
another proxied or FastCGI location, then a segmentation fault might
occur in a worker process; the bug had appeared in 0.7.65.
Thanks to Yichun Zhang.
*) Bugfix: IMAP connections may hang until they timed out while talking
to Zimbra server.
Thanks to Alan Batie.
*) Bugfix: nginx did not support chunked transfer encoding for 201
responses.
Thanks to Julian Reich.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Mon, 07 Jun 2010 00:00:00 +0400 |
parents | 6eb1e38f0f1f |
children |
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/* * Copyright (C) Igor Sysoev */ /* * The ppc assembler treats ";" as comment, so we have to use "\n". * The minus in "bne-" is a hint for the branch prediction unit that * this branch is unlikely to be taken. * The "1b" means the nearest backward label "1" and the "1f" means * the nearest forward label "1". * * The "b" means that the base registers can be used only, i.e. * any register except r0. The r0 register always has a zero value and * could not be used in "addi r0, r0, 1". * The "=&b" means that no input registers can be used. * * "sync" read and write barriers * "isync" read barrier, is faster than "sync" * "eieio" write barrier, is faster than "sync" * "lwsync" write barrier, is faster than "eieio" on ppc64 */ #if (NGX_PTR_SIZE == 8) 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) { ngx_atomic_uint_t res, temp; __asm__ volatile ( " li %0, 0 \n" /* preset "0" to "res" */ " lwsync \n" /* write barrier */ "1: \n" " ldarx %1, 0, %2 \n" /* load from [lock] into "temp" */ /* and store reservation */ " cmpd %1, %3 \n" /* compare "temp" and "old" */ " bne- 2f \n" /* not equal */ " stdcx. %4, 0, %2 \n" /* store "set" into [lock] if reservation */ /* is not cleared */ " bne- 1b \n" /* the reservation was cleared */ " isync \n" /* read barrier */ " li %0, 1 \n" /* set "1" to "res" */ "2: \n" : "=&b" (res), "=&b" (temp) : "b" (lock), "b" (old), "b" (set) : "cc", "memory"); return res; } static ngx_inline ngx_atomic_int_t ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add) { ngx_atomic_uint_t res, temp; __asm__ volatile ( " lwsync \n" /* write barrier */ "1: ldarx %0, 0, %2 \n" /* load from [value] into "res" */ /* and store reservation */ " add %1, %0, %3 \n" /* "res" + "add" store in "temp" */ " stdcx. %1, 0, %2 \n" /* store "temp" into [value] if reservation */ /* is not cleared */ " bne- 1b \n" /* try again if reservation was cleared */ " isync \n" /* read barrier */ : "=&b" (res), "=&b" (temp) : "b" (value), "b" (add) : "cc", "memory"); return res; } #if (NGX_SMP) #define ngx_memory_barrier() \ __asm__ volatile ("isync \n lwsync \n" ::: "memory") #else #define ngx_memory_barrier() __asm__ volatile ("" ::: "memory") #endif #else 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) { ngx_atomic_uint_t res, temp; __asm__ volatile ( " li %0, 0 \n" /* preset "0" to "res" */ " eieio \n" /* write barrier */ "1: \n" " lwarx %1, 0, %2 \n" /* load from [lock] into "temp" */ /* and store reservation */ " cmpw %1, %3 \n" /* compare "temp" and "old" */ " bne- 2f \n" /* not equal */ " stwcx. %4, 0, %2 \n" /* store "set" into [lock] if reservation */ /* is not cleared */ " bne- 1b \n" /* the reservation was cleared */ " isync \n" /* read barrier */ " li %0, 1 \n" /* set "1" to "res" */ "2: \n" : "=&b" (res), "=&b" (temp) : "b" (lock), "b" (old), "b" (set) : "cc", "memory"); return res; } static ngx_inline ngx_atomic_int_t ngx_atomic_fetch_add(ngx_atomic_t *value, ngx_atomic_int_t add) { ngx_atomic_uint_t res, temp; __asm__ volatile ( " eieio \n" /* write barrier */ "1: lwarx %0, 0, %2 \n" /* load from [value] into "res" */ /* and store reservation */ " add %1, %0, %3 \n" /* "res" + "add" store in "temp" */ " stwcx. %1, 0, %2 \n" /* store "temp" into [value] if reservation */ /* is not cleared */ " bne- 1b \n" /* try again if reservation was cleared */ " isync \n" /* read barrier */ : "=&b" (res), "=&b" (temp) : "b" (value), "b" (add) : "cc", "memory"); return res; } #if (NGX_SMP) #define ngx_memory_barrier() \ __asm__ volatile ("isync \n eieio \n" ::: "memory") #else #define ngx_memory_barrier() __asm__ volatile ("" ::: "memory") #endif #endif #define ngx_cpu_pause()