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Merged with the default branch.

This commit is contained in:
Sergey Kandaurov 2021-12-29 15:17:26 +03:00
parent e13ef94157 74bc340e28
commit 217bec97be
18 changed files with 813 additions and 358 deletions
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164
auto/lib/pcre/conf
View File

@ -4,87 +4,62 @@
if [ $PCRE != NONE ]; then
CORE_INCS="$CORE_INCS $PCRE"
case "$NGX_CC_NAME" in
if [ -f $PCRE/src/pcre2.h.generic ]; then
msvc | owc | bcc)
have=NGX_PCRE . auto/have
PCRE_LIBRARY=PCRE2
have=NGX_PCRE . auto/have
have=NGX_PCRE2 . auto/have
if [ "$NGX_PLATFORM" = win32 ]; then
have=PCRE2_STATIC . auto/have
fi
CORE_INCS="$CORE_INCS $PCRE/src/"
CORE_DEPS="$CORE_DEPS $PCRE/src/pcre2.h"
case "$NGX_CC_NAME" in
msvc)
LINK_DEPS="$LINK_DEPS $PCRE/src/pcre2-8.lib"
CORE_LIBS="$CORE_LIBS $PCRE/src/pcre2-8.lib"
;;
*)
LINK_DEPS="$LINK_DEPS $PCRE/.libs/libpcre2-8.a"
CORE_LIBS="$CORE_LIBS $PCRE/.libs/libpcre2-8.a"
;;
esac
else
PCRE_LIBRARY=PCRE
have=NGX_PCRE . auto/have
if [ "$NGX_PLATFORM" = win32 ]; then
have=PCRE_STATIC . auto/have
CORE_DEPS="$CORE_DEPS $PCRE/pcre.h"
LINK_DEPS="$LINK_DEPS $PCRE/pcre.lib"
CORE_LIBS="$CORE_LIBS $PCRE/pcre.lib"
;;
fi
icc)
have=NGX_PCRE . auto/have
CORE_DEPS="$CORE_DEPS $PCRE/pcre.h"
CORE_INCS="$CORE_INCS $PCRE"
CORE_DEPS="$CORE_DEPS $PCRE/pcre.h"
LINK_DEPS="$LINK_DEPS $PCRE/.libs/libpcre.a"
case "$NGX_CC_NAME" in
echo $ngx_n "checking for PCRE library ...$ngx_c"
msvc | owc | bcc)
LINK_DEPS="$LINK_DEPS $PCRE/pcre.lib"
CORE_LIBS="$CORE_LIBS $PCRE/pcre.lib"
;;
if [ -f $PCRE/pcre.h ]; then
ngx_pcre_ver=`grep PCRE_MAJOR $PCRE/pcre.h \
| sed -e 's/^.*PCRE_MAJOR.* \(.*\)$/\1/'`
else if [ -f $PCRE/configure.in ]; then
ngx_pcre_ver=`grep PCRE_MAJOR= $PCRE/configure.in \
| sed -e 's/^.*=\(.*\)$/\1/'`
else
ngx_pcre_ver=`grep pcre_major, $PCRE/configure.ac \
| sed -e 's/^.*pcre_major,.*\[\(.*\)\].*$/\1/'`
fi
fi
echo " $ngx_pcre_ver major version found"
# to allow -ipo optimization we link with the *.o but not library
case "$ngx_pcre_ver" in
4|5)
CORE_LIBS="$CORE_LIBS $PCRE/pcre.o"
;;
6)
CORE_LIBS="$CORE_LIBS $PCRE/pcre_chartables.o"
CORE_LIBS="$CORE_LIBS $PCRE/pcre_compile.o"
CORE_LIBS="$CORE_LIBS $PCRE/pcre_exec.o"
CORE_LIBS="$CORE_LIBS $PCRE/pcre_fullinfo.o"
CORE_LIBS="$CORE_LIBS $PCRE/pcre_globals.o"
CORE_LIBS="$CORE_LIBS $PCRE/pcre_tables.o"
CORE_LIBS="$CORE_LIBS $PCRE/pcre_try_flipped.o"
;;
*)
CORE_LIBS="$CORE_LIBS $PCRE/pcre_chartables.o"
CORE_LIBS="$CORE_LIBS $PCRE/pcre_compile.o"
CORE_LIBS="$CORE_LIBS $PCRE/pcre_exec.o"
CORE_LIBS="$CORE_LIBS $PCRE/pcre_fullinfo.o"
CORE_LIBS="$CORE_LIBS $PCRE/pcre_globals.o"
CORE_LIBS="$CORE_LIBS $PCRE/pcre_tables.o"
CORE_LIBS="$CORE_LIBS $PCRE/pcre_try_flipped.o"
CORE_LIBS="$CORE_LIBS $PCRE/pcre_newline.o"
;;
esac
;;
*)
have=NGX_PCRE . auto/have
if [ "$NGX_PLATFORM" = win32 ]; then
have=PCRE_STATIC . auto/have
fi
CORE_DEPS="$CORE_DEPS $PCRE/pcre.h"
LINK_DEPS="$LINK_DEPS $PCRE/.libs/libpcre.a"
CORE_LIBS="$CORE_LIBS $PCRE/.libs/libpcre.a"
;;
esac
*)
LINK_DEPS="$LINK_DEPS $PCRE/.libs/libpcre.a"
CORE_LIBS="$CORE_LIBS $PCRE/.libs/libpcre.a"
;;
esac
fi
if [ $PCRE_JIT = YES ]; then
have=NGX_HAVE_PCRE_JIT . auto/have
@ -94,8 +69,48 @@ if [ $PCRE != NONE ]; then
else
if [ "$NGX_PLATFORM" != win32 ]; then
PCRE=NO
fi
if [ $PCRE = NO -a $PCRE2 != DISABLED ]; then
ngx_feature="PCRE2 library"
ngx_feature_name="NGX_PCRE2"
ngx_feature_run=no
ngx_feature_incs="#define PCRE2_CODE_UNIT_WIDTH 8
#include <pcre2.h>"
ngx_feature_path=
ngx_feature_libs="-lpcre2-8"
ngx_feature_test="pcre2_code *re;
re = pcre2_compile(NULL, 0, 0, NULL, NULL, NULL);
if (re == NULL) return 1"
. auto/feature
if [ $ngx_found = no ]; then
# pcre2-config
ngx_pcre2_prefix=`pcre2-config --prefix 2>/dev/null`
if [ -n "$ngx_pcre2_prefix" ]; then
ngx_feature="PCRE2 library in $ngx_pcre2_prefix"
ngx_feature_path=`pcre2-config --cflags \
| sed -n -e 's/.*-I *\([^ ][^ ]*\).*/\1/p'`
ngx_feature_libs=`pcre2-config --libs8`
. auto/feature
fi
fi
if [ $ngx_found = yes ]; then
have=NGX_PCRE . auto/have
CORE_INCS="$CORE_INCS $ngx_feature_path"
CORE_LIBS="$CORE_LIBS $ngx_feature_libs"
PCRE=YES
PCRE_LIBRARY=PCRE2
fi
fi
if [ $PCRE = NO ]; then
ngx_feature="PCRE library"
ngx_feature_name="NGX_PCRE"
@ -171,6 +186,7 @@ else
CORE_INCS="$CORE_INCS $ngx_feature_path"
CORE_LIBS="$CORE_LIBS $ngx_feature_libs"
PCRE=YES
PCRE_LIBRARY=PCRE
fi
if [ $PCRE = YES ]; then

152
auto/lib/pcre/make
View File

@ -3,36 +3,138 @@
# Copyright (C) Nginx, Inc.
case "$NGX_CC_NAME" in
if [ $PCRE_LIBRARY = PCRE2 ]; then
msvc)
ngx_makefile=makefile.msvc
ngx_opt="CPU_OPT=\"$CPU_OPT\" LIBC=$LIBC"
ngx_pcre="PCRE=\"$PCRE\""
;;
# PCRE2
owc)
ngx_makefile=makefile.owc
ngx_opt="CPU_OPT=\"$CPU_OPT\""
ngx_pcre=`echo PCRE=\"$PCRE\" | sed -e "s/\//$ngx_regex_dirsep/g"`
;;
if [ $NGX_CC_NAME = msvc ]; then
bcc)
ngx_makefile=makefile.bcc
ngx_opt="-DCPU_OPT=\"$CPU_OPT\""
ngx_pcre=`echo \-DPCRE=\"$PCRE\" | sed -e "s/\//$ngx_regex_dirsep/g"`
;;
# With PCRE2, it is not possible to compile all sources.
# Since list of source files changes between versions, we
# test files which might not be present.
*)
ngx_makefile=
;;
ngx_pcre_srcs="pcre2_auto_possess.c \
pcre2_chartables.c \
pcre2_compile.c \
pcre2_config.c \
pcre2_context.c \
pcre2_dfa_match.c \
pcre2_error.c \
pcre2_jit_compile.c \
pcre2_maketables.c \
pcre2_match.c \
pcre2_match_data.c \
pcre2_newline.c \
pcre2_ord2utf.c \
pcre2_pattern_info.c \
pcre2_string_utils.c \
pcre2_study.c \
pcre2_substitute.c \
pcre2_substring.c \
pcre2_tables.c \
pcre2_ucd.c \
pcre2_valid_utf.c \
pcre2_xclass.c"
esac
ngx_pcre_test="pcre2_convert.c \
pcre2_extuni.c \
pcre2_find_bracket.c \
pcre2_script_run.c \
pcre2_serialize.c"
for ngx_src in $ngx_pcre_test
do
if [ -f $PCRE/src/$ngx_src ]; then
ngx_pcre_srcs="$ngx_pcre_srcs $ngx_src"
fi
done
ngx_pcre_objs=`echo $ngx_pcre_srcs \
| sed -e "s#\([^ ]*\.\)c#\1$ngx_objext#g"`
ngx_pcre_srcs=`echo $ngx_pcre_srcs \
| sed -e "s/ *\([^ ][^ ]*\)/$ngx_regex_cont\1/g"`
ngx_pcre_objs=`echo $ngx_pcre_objs \
| sed -e "s/ *\([^ ][^ ]*\)/$ngx_regex_cont\1/g"`
cat << END >> $NGX_MAKEFILE
PCRE_CFLAGS = -O2 -Ob1 -Oi -Gs $LIBC $CPU_OPT
PCRE_FLAGS = -DHAVE_CONFIG_H -DPCRE2_STATIC -DPCRE2_CODE_UNIT_WIDTH=8 \\
-DHAVE_MEMMOVE
PCRE_SRCS = $ngx_pcre_srcs
PCRE_OBJS = $ngx_pcre_objs
$PCRE/src/pcre2.h:
cd $PCRE/src \\
&& copy /y config.h.generic config.h \\
&& copy /y pcre2.h.generic pcre2.h \\
&& copy /y pcre2_chartables.c.dist pcre2_chartables.c
$PCRE/src/pcre2-8.lib: $PCRE/src/pcre2.h $NGX_MAKEFILE
cd $PCRE/src \\
&& cl -nologo -c \$(PCRE_CFLAGS) -I . \$(PCRE_FLAGS) \$(PCRE_SRCS) \\
&& link -lib -out:pcre2-8.lib -verbose:lib \$(PCRE_OBJS)
END
else
cat << END >> $NGX_MAKEFILE
$PCRE/src/pcre2.h: $PCRE/Makefile
$PCRE/Makefile: $NGX_MAKEFILE
cd $PCRE \\
&& if [ -f Makefile ]; then \$(MAKE) distclean; fi \\
&& CC="\$(CC)" CFLAGS="$PCRE_OPT" \\
./configure --disable-shared $PCRE_CONF_OPT
$PCRE/.libs/libpcre2-8.a: $PCRE/Makefile
cd $PCRE \\
&& \$(MAKE) libpcre2-8.la
END
fi
if [ -n "$ngx_makefile" ]; then
else
cat << END >> $NGX_MAKEFILE
# PCRE
case "$NGX_CC_NAME" in
msvc)
ngx_makefile=makefile.msvc
ngx_opt="CPU_OPT=\"$CPU_OPT\" LIBC=$LIBC"
ngx_pcre="PCRE=\"$PCRE\""
;;
owc)
ngx_makefile=makefile.owc
ngx_opt="CPU_OPT=\"$CPU_OPT\""
ngx_pcre=`echo PCRE=\"$PCRE\" | sed -e "s/\//$ngx_regex_dirsep/g"`
;;
bcc)
ngx_makefile=makefile.bcc
ngx_opt="-DCPU_OPT=\"$CPU_OPT\""
ngx_pcre=`echo \-DPCRE=\"$PCRE\" \
| sed -e "s/\//$ngx_regex_dirsep/g"`
;;
*)
ngx_makefile=
;;
esac
if [ -n "$ngx_makefile" ]; then
cat << END >> $NGX_MAKEFILE
`echo "$PCRE/pcre.lib: $PCRE/pcre.h $NGX_MAKEFILE" \
| sed -e "s/\//$ngx_regex_dirsep/g"`
@ -43,9 +145,9 @@ if [ -n "$ngx_makefile" ]; then
END
else
else
cat << END >> $NGX_MAKEFILE
cat << END >> $NGX_MAKEFILE
$PCRE/pcre.h: $PCRE/Makefile
@ -61,4 +163,6 @@ $PCRE/.libs/libpcre.a: $PCRE/Makefile
END
fi
fi

3
auto/options
View File

@ -150,6 +150,7 @@ PCRE=NONE
PCRE_OPT=
PCRE_CONF_OPT=
PCRE_JIT=NO
PCRE2=YES
USE_OPENSSL=NO
USE_OPENSSL_QUIC=NO
@ -368,6 +369,7 @@ use the \"--with-mail_ssl_module\" option instead"
--with-pcre=*) PCRE="$value" ;;
--with-pcre-opt=*) PCRE_OPT="$value" ;;
--with-pcre-jit) PCRE_JIT=YES ;;
--without-pcre2) PCRE2=DISABLED ;;
--with-openssl=*) OPENSSL="$value" ;;
--with-openssl-opt=*) OPENSSL_OPT="$value" ;;
@ -588,6 +590,7 @@ cat << END
--with-pcre=DIR set path to PCRE library sources
--with-pcre-opt=OPTIONS set additional build options for PCRE
--with-pcre-jit build PCRE with JIT compilation support
--without-pcre2 do not use PCRE2 library
--with-zlib=DIR set path to zlib library sources
--with-zlib-opt=OPTIONS set additional build options for zlib

8
auto/os/freebsd
View File

@ -44,12 +44,10 @@ if [ $osreldate -gt 300007 ]; then
CORE_SRCS="$CORE_SRCS $FREEBSD_SENDFILE_SRCS"
fi
if [ $NGX_FILE_AIO = YES ]; then
if [ $osreldate -gt 502103 ]; then
echo " + sendfile()'s SF_NODISKIO found"
if [ $osreldate -gt 1100093 ]; then
echo " + sendfile()'s SF_NODISKIO found"
have=NGX_HAVE_AIO_SENDFILE . auto/have
fi
have=NGX_HAVE_SENDFILE_NODISKIO . auto/have
fi
# POSIX semaphores

4
auto/summary
View File

@ -16,9 +16,9 @@ if [ $USE_PCRE = DISABLED ]; then
else
case $PCRE in
YES) echo " + using system PCRE library" ;;
YES) echo " + using system $PCRE_LIBRARY library" ;;
NONE) echo " + PCRE library is not used" ;;
*) echo " + using PCRE library: $PCRE" ;;
*) echo " + using $PCRE_LIBRARY library: $PCRE" ;;
esac
fi

52
docs/xml/nginx/changes.xml
View File

@ -5,6 +5,58 @@
<change_log title="nginx">
<changes ver="1.21.5" date="2021-12-28">
<change type="change">
<para lang="ru">
теперь nginx по умолчанию собирается с библиотекой PCRE2.
</para>
<para lang="en">
now nginx is built with the PCRE2 library by default.
</para>
</change>
<change type="change">
<para lang="ru">
теперь nginx всегда использует sendfile(SF_NODISKIO) на FreeBSD.
</para>
<para lang="en">
now nginx always uses sendfile(SF_NODISKIO) on FreeBSD.
</para>
</change>
<change type="feature">
<para lang="ru">
поддержка sendfile(SF_NOCACHE) на FreeBSD.
</para>
<para lang="en">
support for sendfile(SF_NOCACHE) on FreeBSD.
</para>
</change>
<change type="feature">
<para lang="ru">
переменная $ssl_curve.
</para>
<para lang="en">
the $ssl_curve variable.
</para>
</change>
<change type="bugfix">
<para lang="ru">
при использовании HTTP/2 без SSL вместе с директивами sendfile и aio
соединения могли зависать.
</para>
<para lang="en">
connections might hang
when using HTTP/2 without SSL with the "sendfile" and "aio" directives.
</para>
</change>
</changes>
<changes ver="1.21.4" date="2021-11-02">
<change type="change">

4
misc/GNUmakefile
View File

@ -6,9 +6,9 @@ TEMP = tmp
CC = cl
OBJS = objs.msvc8
OPENSSL = openssl-1.1.1l
OPENSSL = openssl-1.1.1m
ZLIB = zlib-1.2.11
PCRE = pcre-8.44
PCRE = pcre2-10.39
release: export

3
src/core/ngx_buf.h
View File

@ -90,9 +90,6 @@ struct ngx_output_chain_ctx_s {
#if (NGX_HAVE_FILE_AIO || NGX_COMPAT)
ngx_output_chain_aio_pt aio_handler;
#if (NGX_HAVE_AIO_SENDFILE || NGX_COMPAT)
ssize_t (*aio_preload)(ngx_buf_t *file);
#endif
#endif
#if (NGX_THREADS || NGX_COMPAT)

2
src/core/ngx_connection.h
View File

@ -190,7 +190,7 @@ struct ngx_connection_s {
unsigned need_last_buf:1;
#if (NGX_HAVE_AIO_SENDFILE || NGX_COMPAT)
#if (NGX_HAVE_SENDFILE_NODISKIO || NGX_COMPAT)
unsigned busy_count:2;
#endif

2
src/core/ngx_module.h
View File

@ -41,7 +41,7 @@
#define NGX_MODULE_SIGNATURE_3 "0"
#endif
#if (NGX_HAVE_AIO_SENDFILE || NGX_COMPAT)
#if (NGX_HAVE_SENDFILE_NODISKIO || NGX_COMPAT)
#define NGX_MODULE_SIGNATURE_4 "1"
#else
#define NGX_MODULE_SIGNATURE_4 "0"

49
src/core/ngx_output_chain.c
View File

@ -29,10 +29,6 @@
static ngx_inline ngx_int_t
ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf);
#if (NGX_HAVE_AIO_SENDFILE)
static ngx_int_t ngx_output_chain_aio_setup(ngx_output_chain_ctx_t *ctx,
ngx_file_t *file);
#endif
static ngx_int_t ngx_output_chain_add_copy(ngx_pool_t *pool,
ngx_chain_t **chain, ngx_chain_t *in);
static ngx_int_t ngx_output_chain_align_file_buf(ngx_output_chain_ctx_t *ctx,
@ -260,10 +256,6 @@ ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf)
}
#endif
if (buf->in_file && buf->file->directio) {
return 0;
}
sendfile = ctx->sendfile;
#if (NGX_SENDFILE_LIMIT)
@ -272,6 +264,19 @@ ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf)
sendfile = 0;
}
#endif
#if !(NGX_HAVE_SENDFILE_NODISKIO)
/*
* With DIRECTIO, disable sendfile() unless sendfile(SF_NOCACHE)
* is available.
*/
if (buf->in_file && buf->file->directio) {
sendfile = 0;
}
#endif
if (!sendfile) {
@ -283,12 +288,6 @@ ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf)
buf->in_file = 0;
}
#if (NGX_HAVE_AIO_SENDFILE)
if (ctx->aio_preload && buf->in_file) {
(void) ngx_output_chain_aio_setup(ctx, buf->file);
}
#endif
if (ctx->need_in_memory && !ngx_buf_in_memory(buf)) {
return 0;
}
@ -301,28 +300,6 @@ ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf)
}
#if (NGX_HAVE_AIO_SENDFILE)
static ngx_int_t
ngx_output_chain_aio_setup(ngx_output_chain_ctx_t *ctx, ngx_file_t *file)
{
ngx_event_aio_t *aio;
if (file->aio == NULL && ngx_file_aio_init(file, ctx->pool) != NGX_OK) {
return NGX_ERROR;
}
aio = file->aio;
aio->data = ctx->filter_ctx;
aio->preload_handler = ctx->aio_preload;
return NGX_OK;
}
#endif
static ngx_int_t
ngx_output_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **chain,
ngx_chain_t *in)

474
src/core/ngx_regex.c
View File

@ -10,15 +10,22 @@
typedef struct {
ngx_flag_t pcre_jit;
ngx_flag_t pcre_jit;
ngx_list_t *studies;
} ngx_regex_conf_t;
static ngx_inline void ngx_regex_malloc_init(ngx_pool_t *pool);
static ngx_inline void ngx_regex_malloc_done(void);
#if (NGX_PCRE2)
static void * ngx_libc_cdecl ngx_regex_malloc(size_t size, void *data);
static void ngx_libc_cdecl ngx_regex_free(void *p, void *data);
#else
static void * ngx_libc_cdecl ngx_regex_malloc(size_t size);
static void ngx_libc_cdecl ngx_regex_free(void *p);
#if (NGX_HAVE_PCRE_JIT)
static void ngx_pcre_free_studies(void *data);
#endif
static void ngx_regex_cleanup(void *data);
static ngx_int_t ngx_regex_module_init(ngx_cycle_t *cycle);
@ -65,32 +72,197 @@ ngx_module_t ngx_regex_module = {
};
static ngx_pool_t *ngx_pcre_pool;
static ngx_list_t *ngx_pcre_studies;
static ngx_pool_t *ngx_regex_pool;
static ngx_list_t *ngx_regex_studies;
static ngx_uint_t ngx_regex_direct_alloc;
#if (NGX_PCRE2)
static pcre2_compile_context *ngx_regex_compile_context;
static pcre2_match_data *ngx_regex_match_data;
static ngx_uint_t ngx_regex_match_data_size;
#endif
void
ngx_regex_init(void)
{
#if !(NGX_PCRE2)
pcre_malloc = ngx_regex_malloc;
pcre_free = ngx_regex_free;
#endif
}
static ngx_inline void
ngx_regex_malloc_init(ngx_pool_t *pool)
{
ngx_pcre_pool = pool;
ngx_regex_pool = pool;
ngx_regex_direct_alloc = (pool == NULL) ? 1 : 0;
}
static ngx_inline void
ngx_regex_malloc_done(void)
{
ngx_pcre_pool = NULL;
ngx_regex_pool = NULL;
ngx_regex_direct_alloc = 0;
}
#if (NGX_PCRE2)
ngx_int_t
ngx_regex_compile(ngx_regex_compile_t *rc)
{
int n, errcode;
char *p;
u_char errstr[128];
size_t erroff;
uint32_t options;
pcre2_code *re;
ngx_regex_elt_t *elt;
pcre2_general_context *gctx;
pcre2_compile_context *cctx;
if (ngx_regex_compile_context == NULL) {
/*
* Allocate a compile context if not yet allocated. This uses
* direct allocations from heap, so the result can be cached
* even at runtime.
*/
ngx_regex_malloc_init(NULL);
gctx = pcre2_general_context_create(ngx_regex_malloc, ngx_regex_free,
NULL);
if (gctx == NULL) {
ngx_regex_malloc_done();
goto nomem;
}
cctx = pcre2_compile_context_create(gctx);
if (cctx == NULL) {
pcre2_general_context_free(gctx);
ngx_regex_malloc_done();
goto nomem;
}
ngx_regex_compile_context = cctx;
pcre2_general_context_free(gctx);
ngx_regex_malloc_done();
}
options = 0;
if (rc->options & NGX_REGEX_CASELESS) {
options |= PCRE2_CASELESS;
}
if (rc->options & NGX_REGEX_MULTILINE) {
options |= PCRE2_MULTILINE;
}
if (rc->options & ~(NGX_REGEX_CASELESS|NGX_REGEX_MULTILINE)) {
rc->err.len = ngx_snprintf(rc->err.data, rc->err.len,
"regex \"%V\" compilation failed: invalid options",
&rc->pattern)
- rc->err.data;
return NGX_ERROR;
}
ngx_regex_malloc_init(rc->pool);
re = pcre2_compile(rc->pattern.data, rc->pattern.len, options,
&errcode, &erroff, ngx_regex_compile_context);
/* ensure that there is no current pool */
ngx_regex_malloc_done();
if (re == NULL) {
pcre2_get_error_message(errcode, errstr, 128);
if ((size_t) erroff == rc->pattern.len) {
rc->err.len = ngx_snprintf(rc->err.data, rc->err.len,
"pcre2_compile() failed: %s in \"%V\"",
errstr, &rc->pattern)
- rc->err.data;
} else {
rc->err.len = ngx_snprintf(rc->err.data, rc->err.len,
"pcre2_compile() failed: %s in \"%V\" at \"%s\"",
errstr, &rc->pattern, rc->pattern.data + erroff)
- rc->err.data;
}
return NGX_ERROR;
}
rc->regex = re;
/* do not study at runtime */
if (ngx_regex_studies != NULL) {
elt = ngx_list_push(ngx_regex_studies);
if (elt == NULL) {
goto nomem;
}
elt->regex = rc->regex;
elt->name = rc->pattern.data;
}
n = pcre2_pattern_info(re, PCRE2_INFO_CAPTURECOUNT, &rc->captures);
if (n < 0) {
p = "pcre2_pattern_info(\"%V\", PCRE2_INFO_CAPTURECOUNT) failed: %d";
goto failed;
}
if (rc->captures == 0) {
return NGX_OK;
}
n = pcre2_pattern_info(re, PCRE2_INFO_NAMECOUNT, &rc->named_captures);
if (n < 0) {
p = "pcre2_pattern_info(\"%V\", PCRE2_INFO_NAMECOUNT) failed: %d";
goto failed;
}
if (rc->named_captures == 0) {
return NGX_OK;
}
n = pcre2_pattern_info(re, PCRE2_INFO_NAMEENTRYSIZE, &rc->name_size);
if (n < 0) {
p = "pcre2_pattern_info(\"%V\", PCRE2_INFO_NAMEENTRYSIZE) failed: %d";
goto failed;
}
n = pcre2_pattern_info(re, PCRE2_INFO_NAMETABLE, &rc->names);
if (n < 0) {
p = "pcre2_pattern_info(\"%V\", PCRE2_INFO_NAMETABLE) failed: %d";
goto failed;
}
return NGX_OK;
failed:
rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, p, &rc->pattern, n)
- rc->err.data;
return NGX_ERROR;
nomem:
rc->err.len = ngx_snprintf(rc->err.data, rc->err.len,
"regex \"%V\" compilation failed: no memory",
&rc->pattern)
- rc->err.data;
return NGX_ERROR;
}
#else
ngx_int_t
ngx_regex_compile(ngx_regex_compile_t *rc)
{
@ -98,11 +270,30 @@ ngx_regex_compile(ngx_regex_compile_t *rc)
char *p;
pcre *re;
const char *errstr;
ngx_uint_t options;
ngx_regex_elt_t *elt;
options = 0;
if (rc->options & NGX_REGEX_CASELESS) {
options |= PCRE_CASELESS;
}
if (rc->options & NGX_REGEX_MULTILINE) {
options |= PCRE_MULTILINE;
}
if (rc->options & ~(NGX_REGEX_CASELESS|NGX_REGEX_MULTILINE)) {
rc->err.len = ngx_snprintf(rc->err.data, rc->err.len,
"regex \"%V\" compilation failed: invalid options",
&rc->pattern)
- rc->err.data;
return NGX_ERROR;
}
ngx_regex_malloc_init(rc->pool);
re = pcre_compile((const char *) rc->pattern.data, (int) rc->options,
re = pcre_compile((const char *) rc->pattern.data, (int) options,
&errstr, &erroff, NULL);
/* ensure that there is no current pool */
@ -113,13 +304,13 @@ ngx_regex_compile(ngx_regex_compile_t *rc)
rc->err.len = ngx_snprintf(rc->err.data, rc->err.len,
"pcre_compile() failed: %s in \"%V\"",
errstr, &rc->pattern)
- rc->err.data;
- rc->err.data;
} else {
rc->err.len = ngx_snprintf(rc->err.data, rc->err.len,
"pcre_compile() failed: %s in \"%V\" at \"%s\"",
errstr, &rc->pattern, rc->pattern.data + erroff)
- rc->err.data;
- rc->err.data;
}
return NGX_ERROR;
@ -134,8 +325,8 @@ ngx_regex_compile(ngx_regex_compile_t *rc)
/* do not study at runtime */
if (ngx_pcre_studies != NULL) {
elt = ngx_list_push(ngx_pcre_studies);
if (ngx_regex_studies != NULL) {
elt = ngx_list_push(ngx_regex_studies);
if (elt == NULL) {
goto nomem;
}
@ -193,6 +384,83 @@ nomem:
return NGX_ERROR;
}
#endif
#if (NGX_PCRE2)
ngx_int_t
ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s, int *captures, ngx_uint_t size)
{
size_t *ov;
ngx_int_t rc;
ngx_uint_t n, i;
/*
* The pcre2_match() function might allocate memory for backtracking
* frames, typical allocations are from 40k and above. So the allocator
* is configured to do direct allocations from heap during matching.
*/
ngx_regex_malloc_init(NULL);
if (ngx_regex_match_data == NULL
|| size > ngx_regex_match_data_size)
{
/*
* Allocate a match data if not yet allocated or smaller than
* needed.
*/
if (ngx_regex_match_data) {
pcre2_match_data_free(ngx_regex_match_data);
}
ngx_regex_match_data_size = size;
ngx_regex_match_data = pcre2_match_data_create(size / 3, NULL);
if (ngx_regex_match_data == NULL) {
rc = PCRE2_ERROR_NOMEMORY;
goto failed;
}
}
rc = pcre2_match(re, s->data, s->len, 0, 0, ngx_regex_match_data, NULL);
if (rc < 0) {
goto failed;
}
n = pcre2_get_ovector_count(ngx_regex_match_data);
ov = pcre2_get_ovector_pointer(ngx_regex_match_data);
if (n > size / 3) {
n = size / 3;
}
for (i = 0; i < n; i++) {
captures[i * 2] = ov[i * 2];
captures[i * 2 + 1] = ov[i * 2 + 1];
}
failed:
ngx_regex_malloc_done();
return rc;
}
#else
ngx_int_t
ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s, int *captures, ngx_uint_t size)
{
return pcre_exec(re->code, re->extra, (const char *) s->data, s->len,
0, 0, captures, size);
}
#endif
ngx_int_t
ngx_regex_exec_array(ngx_array_t *a, ngx_str_t *s, ngx_log_t *log)
@ -227,14 +495,40 @@ ngx_regex_exec_array(ngx_array_t *a, ngx_str_t *s, ngx_log_t *log)
}
#if (NGX_PCRE2)
static void * ngx_libc_cdecl
ngx_regex_malloc(size_t size, void *data)
{
if (ngx_regex_pool) {
return ngx_palloc(ngx_regex_pool, size);
}
if (ngx_regex_direct_alloc) {
return ngx_alloc(size, ngx_cycle->log);
}
return NULL;
}
static void ngx_libc_cdecl
ngx_regex_free(void *p, void *data)
{
if (ngx_regex_direct_alloc) {
ngx_free(p);
}
return;
}
#else
static void * ngx_libc_cdecl
ngx_regex_malloc(size_t size)
{
ngx_pool_t *pool;
pool = ngx_pcre_pool;
if (pool) {
return ngx_palloc(pool, size);
if (ngx_regex_pool) {
return ngx_palloc(ngx_regex_pool, size);
}
return NULL;
@ -247,19 +541,20 @@ ngx_regex_free(void *p)
return;
}
#endif
#if (NGX_HAVE_PCRE_JIT)
static void
ngx_pcre_free_studies(void *data)
ngx_regex_cleanup(void *data)
{
ngx_list_t *studies = data;
#if (NGX_PCRE2 || NGX_HAVE_PCRE_JIT)
ngx_regex_conf_t *rcf = data;
ngx_uint_t i;
ngx_list_part_t *part;
ngx_regex_elt_t *elts;
part = &studies->part;
part = &rcf->studies->part;
elts = part->elts;
for (i = 0; /* void */ ; i++) {
@ -274,56 +569,83 @@ ngx_pcre_free_studies(void *data)
i = 0;
}
/*
* The PCRE JIT compiler uses mmap for its executable codes, so we
* have to explicitly call the pcre_free_study() function to free
* this memory. In PCRE2, we call the pcre2_code_free() function
* for the same reason.
*/
#if (NGX_PCRE2)
pcre2_code_free(elts[i].regex);
#else
if (elts[i].regex->extra != NULL) {
pcre_free_study(elts[i].regex->extra);
}
#endif
}
#endif
/*
* On configuration parsing errors ngx_regex_module_init() will not
* be called. Make sure ngx_regex_studies is properly cleared anyway.
*/
ngx_regex_studies = NULL;
#if (NGX_PCRE2)
/*
* Free compile context and match data. If needed at runtime by
* the new cycle, these will be re-allocated.
*/
if (ngx_regex_compile_context) {
pcre2_compile_context_free(ngx_regex_compile_context);
ngx_regex_compile_context = NULL;
}
if (ngx_regex_match_data) {
pcre2_match_data_free(ngx_regex_match_data);
ngx_regex_match_data = NULL;
ngx_regex_match_data_size = 0;
}
}
#endif
}
static ngx_int_t
ngx_regex_module_init(ngx_cycle_t *cycle)
{
int opt;
const char *errstr;
ngx_uint_t i;
ngx_list_part_t *part;
ngx_regex_elt_t *elts;
int opt;
#if !(NGX_PCRE2)
const char *errstr;
#endif
ngx_uint_t i;
ngx_list_part_t *part;
ngx_regex_elt_t *elts;
ngx_regex_conf_t *rcf;
opt = 0;
#if (NGX_HAVE_PCRE_JIT)
{
ngx_regex_conf_t *rcf;
ngx_pool_cleanup_t *cln;
rcf = (ngx_regex_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_regex_module);
#if (NGX_PCRE2 || NGX_HAVE_PCRE_JIT)
if (rcf->pcre_jit) {
#if (NGX_PCRE2)
opt = 1;
#else
opt = PCRE_STUDY_JIT_COMPILE;
/*
* The PCRE JIT compiler uses mmap for its executable codes, so we
* have to explicitly call the pcre_free_study() function to free
* this memory.
*/
cln = ngx_pool_cleanup_add(cycle->pool, 0);
if (cln == NULL) {
return NGX_ERROR;
}
cln->handler = ngx_pcre_free_studies;
cln->data = ngx_pcre_studies;
}
#endif
}
#endif
ngx_regex_malloc_init(cycle->pool);
part = &ngx_pcre_studies->part;
part = &rcf->studies->part;
elts = part->elts;
for (i = 0; /* void */ ; i++) {
@ -338,6 +660,23 @@ ngx_regex_module_init(ngx_cycle_t *cycle)
i = 0;
}
#if (NGX_PCRE2)
if (opt) {
int n;
n = pcre2_jit_compile(elts[i].regex, PCRE2_JIT_COMPLETE);
if (n != 0) {
ngx_log_error(NGX_LOG_INFO, cycle->log, 0,
"pcre2_jit_compile() failed: %d in \"%s\", "
"ignored",
n, elts[i].name);
}
}
#else
elts[i].regex->extra = pcre_study(elts[i].regex->code, opt, &errstr);
if (errstr != NULL) {
@ -360,12 +699,16 @@ ngx_regex_module_init(ngx_cycle_t *cycle)
elts[i].name);
}
}
#endif
#endif
}
ngx_regex_malloc_done();
ngx_pcre_studies = NULL;
ngx_regex_studies = NULL;
#if (NGX_PCRE2)
ngx_regex_compile_context = NULL;
#endif
return NGX_OK;
}
@ -374,7 +717,8 @@ ngx_regex_module_init(ngx_cycle_t *cycle)
static void *
ngx_regex_create_conf(ngx_cycle_t *cycle)
{
ngx_regex_conf_t *rcf;
ngx_regex_conf_t *rcf;
ngx_pool_cleanup_t *cln;
rcf = ngx_pcalloc(cycle->pool, sizeof(ngx_regex_conf_t));
if (rcf == NULL) {
@ -383,11 +727,21 @@ ngx_regex_create_conf(ngx_cycle_t *cycle)
rcf->pcre_jit = NGX_CONF_UNSET;
ngx_pcre_studies = ngx_list_create(cycle->pool, 8, sizeof(ngx_regex_elt_t));
if (ngx_pcre_studies == NULL) {
cln = ngx_pool_cleanup_add(cycle->pool, 0);
if (cln == NULL) {
return NULL;
}
cln->handler = ngx_regex_cleanup;
cln->data = rcf;
rcf->studies = ngx_list_create(cycle->pool, 8, sizeof(ngx_regex_elt_t));
if (rcf->studies == NULL) {
return NULL;
}
ngx_regex_studies = rcf->studies;
return rcf;
}
@ -412,7 +766,21 @@ ngx_regex_pcre_jit(ngx_conf_t *cf, void *post, void *data)
return NGX_CONF_OK;
}
#if (NGX_HAVE_PCRE_JIT)
#if (NGX_PCRE2)
{
int r;
uint32_t jit;
jit = 0;
r = pcre2_config(PCRE2_CONFIG_JIT, &jit);
if (r != 0 || jit != 1) {
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
"PCRE2 library does not support JIT");
*fp = 0;
}
}
#elif (NGX_HAVE_PCRE_JIT)
{
int jit, r;

38
src/core/ngx_regex.h
View File

@ -12,24 +12,38 @@
#include <ngx_config.h>
#include <ngx_core.h>
#if (NGX_PCRE2)
#define PCRE2_CODE_UNIT_WIDTH 8
#include <pcre2.h>
#define NGX_REGEX_NO_MATCHED PCRE2_ERROR_NOMATCH /* -1 */
typedef pcre2_code ngx_regex_t;
#else
#include <pcre.h>
#define NGX_REGEX_NO_MATCHED PCRE_ERROR_NOMATCH /* -1 */
#define NGX_REGEX_CASELESS PCRE_CASELESS
#define NGX_REGEX_NO_MATCHED PCRE_ERROR_NOMATCH /* -1 */
typedef struct {
pcre *code;
pcre_extra *extra;
} ngx_regex_t;
#endif
#define NGX_REGEX_CASELESS 0x00000001
#define NGX_REGEX_MULTILINE 0x00000002
typedef struct {
ngx_str_t pattern;
ngx_pool_t *pool;
ngx_int_t options;
ngx_uint_t options;
ngx_regex_t *regex;
int captures;
@ -49,10 +63,14 @@ typedef struct {
void ngx_regex_init(void);
ngx_int_t ngx_regex_compile(ngx_regex_compile_t *rc);
#define ngx_regex_exec(re, s, captures, size) \
pcre_exec(re->code, re->extra, (const char *) (s)->data, (s)->len, 0, 0, \
captures, size)
#define ngx_regex_exec_n "pcre_exec()"
ngx_int_t ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s, int *captures,
ngx_uint_t size);
#if (NGX_PCRE2)
#define ngx_regex_exec_n "pcre2_match()"
#else
#define ngx_regex_exec_n "pcre_exec()"
#endif
ngx_int_t ngx_regex_exec_array(ngx_array_t *a, ngx_str_t *s, ngx_log_t *log);

4
src/event/ngx_event.h
View File

@ -147,10 +147,6 @@ struct ngx_event_aio_s {
ngx_fd_t fd;
#if (NGX_HAVE_AIO_SENDFILE || NGX_COMPAT)
ssize_t (*preload_handler)(ngx_buf_t *file);
#endif
#if (NGX_HAVE_EVENTFD)
int64_t res;
#endif

37
src/event/ngx_event_openssl.c
View File

@ -2942,7 +2942,7 @@ ngx_ssl_sendfile(ngx_connection_t *c, ngx_buf_t *file, size_t size)
{
#ifdef BIO_get_ktls_send
int sslerr;
int sslerr, flags;
ssize_t n;
ngx_err_t err;
@ -2954,8 +2954,20 @@ ngx_ssl_sendfile(ngx_connection_t *c, ngx_buf_t *file, size_t size)
ngx_set_errno(0);
#if (NGX_HAVE_SENDFILE_NODISKIO)
flags = (c->busy_count <= 2) ? SF_NODISKIO : 0;
if (file->file->directio) {
flags |= SF_NOCACHE;
}
#else
flags = 0;
#endif
n = SSL_sendfile(c->ssl->connection, file->file->fd, file->file_pos,
size, 0);
size, flags);
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_sendfile: %d", n);
@ -2974,6 +2986,10 @@ ngx_ssl_sendfile(ngx_connection_t *c, ngx_buf_t *file, size_t size)
ngx_post_event(c->read, &ngx_posted_events);
}
#if (NGX_HAVE_SENDFILE_NODISKIO)
c->busy_count = 0;
#endif
c->sent += n;
return n;
@ -3038,6 +3054,23 @@ ngx_ssl_sendfile(ngx_connection_t *c, ngx_buf_t *file, size_t size)
ngx_post_event(c->read, &ngx_posted_events);
}
#if (NGX_HAVE_SENDFILE_NODISKIO)
if (ngx_errno == EBUSY) {
c->busy_count++;
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
"SSL_sendfile() busy, count:%d", c->busy_count);
if (c->write->posted) {
ngx_delete_posted_event(c->write);
}
ngx_post_event(c->write, &ngx_posted_next_events);
}
#endif
c->write->ready = 0;
return NGX_AGAIN;
}

82
src/http/ngx_http_copy_filter_module.c
View File

@ -19,10 +19,6 @@ typedef struct {
static void ngx_http_copy_aio_handler(ngx_output_chain_ctx_t *ctx,
ngx_file_t *file);
static void ngx_http_copy_aio_event_handler(ngx_event_t *ev);
#if (NGX_HAVE_AIO_SENDFILE)
static ssize_t ngx_http_copy_aio_sendfile_preload(ngx_buf_t *file);
static void ngx_http_copy_aio_sendfile_event_handler(ngx_event_t *ev);
#endif
#endif
#if (NGX_THREADS)
static ngx_int_t ngx_http_copy_thread_handler(ngx_thread_task_t *task,
@ -128,9 +124,6 @@ ngx_http_copy_filter(ngx_http_request_t *r, ngx_chain_t *in)
#if (NGX_HAVE_FILE_AIO)
if (ngx_file_aio && clcf->aio == NGX_HTTP_AIO_ON) {
ctx->aio_handler = ngx_http_copy_aio_handler;
#if (NGX_HAVE_AIO_SENDFILE)
ctx->aio_preload = ngx_http_copy_aio_sendfile_preload;
#endif
}
#endif
@ -207,81 +200,6 @@ ngx_http_copy_aio_event_handler(ngx_event_t *ev)
ngx_http_run_posted_requests(c);
}
#if (NGX_HAVE_AIO_SENDFILE)
static ssize_t
ngx_http_copy_aio_sendfile_preload(ngx_buf_t *file)
{
ssize_t n;
static u_char buf[1];
ngx_event_aio_t *aio;
ngx_http_request_t *r;
ngx_output_chain_ctx_t *ctx;
aio = file->file->aio;
r = aio->data;
if (r->aio) {
/*
* tolerate sendfile() calls if another operation is already
* running; this can happen due to subrequests, multiple calls
* of the next body filter from a filter, or in HTTP/2 due to
* a write event on the main connection
*/
return NGX_AGAIN;
}
n = ngx_file_aio_read(file->file, buf, 1, file->file_pos, NULL);
if (n == NGX_AGAIN) {
aio->handler = ngx_http_copy_aio_sendfile_event_handler;
r->main->blocked++;
r->aio = 1;
ctx = ngx_http_get_module_ctx(r, ngx_http_copy_filter_module);
ctx->aio = 1;
}
return n;
}
static void
ngx_http_copy_aio_sendfile_event_handler(ngx_event_t *ev)
{
ngx_event_aio_t *aio;
ngx_connection_t *c;
ngx_http_request_t *r;
aio = ev->data;
r = aio->data;
c = r->connection;
r->main->blocked--;
r->aio = 0;
ev->complete = 0;
#if (NGX_HTTP_V2)
if (r->stream) {
/*
* for HTTP/2, update write event to make sure processing will
* reach the main connection to handle sendfile() preload
*/
c->write->ready = 1;
c->write->active = 0;
}
#endif
c->write->handler(c->write);
}
#endif
#endif

13
src/http/ngx_http_core_module.c
View File

@ -4588,19 +4588,6 @@ ngx_http_core_set_aio(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
#endif
}
#if (NGX_HAVE_AIO_SENDFILE)
if (ngx_strcmp(value[1].data, "sendfile") == 0) {
clcf->aio = NGX_HTTP_AIO_ON;
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
"the \"sendfile\" parameter of "
"the \"aio\" directive is deprecated");
return NGX_CONF_OK;
}
#endif
if (ngx_strncmp(value[1].data, "threads", 7) == 0
&& (value[1].len == 7 || value[1].data[7] == '='))
{

80
src/os/unix/ngx_freebsd_sendfile_chain.c
View File

@ -32,23 +32,22 @@
ngx_chain_t *
ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
{
int rc, flags;
off_t send, prev_send, sent;
size_t file_size;
ssize_t n;
ngx_uint_t eintr, eagain;
ngx_err_t err;
ngx_buf_t *file;
ngx_event_t *wev;
ngx_chain_t *cl;
ngx_iovec_t header, trailer;
struct sf_hdtr hdtr;
struct iovec headers[NGX_IOVS_PREALLOCATE];
struct iovec trailers[NGX_IOVS_PREALLOCATE];
#if (NGX_HAVE_AIO_SENDFILE)
ngx_uint_t ebusy;
ngx_event_aio_t *aio;
int rc, flags;
off_t send, prev_send, sent;
size_t file_size;
ssize_t n;
ngx_err_t err;
ngx_buf_t *file;
ngx_uint_t eintr, eagain;
#if (NGX_HAVE_SENDFILE_NODISKIO)
ngx_uint_t ebusy;
#endif
ngx_event_t *wev;
ngx_chain_t *cl;
ngx_iovec_t header, trailer;
struct sf_hdtr hdtr;
struct iovec headers[NGX_IOVS_PREALLOCATE];
struct iovec trailers[NGX_IOVS_PREALLOCATE];
wev = c->write;
@ -77,11 +76,6 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
eagain = 0;
flags = 0;
#if (NGX_HAVE_AIO_SENDFILE && NGX_SUPPRESS_WARN)
aio = NULL;
file = NULL;
#endif
header.iovs = headers;
header.nalloc = NGX_IOVS_PREALLOCATE;
@ -90,7 +84,7 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
for ( ;; ) {
eintr = 0;
#if (NGX_HAVE_AIO_SENDFILE)
#if (NGX_HAVE_SENDFILE_NODISKIO)
ebusy = 0;
#endif
prev_send = send;
@ -179,9 +173,14 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
sent = 0;
#if (NGX_HAVE_AIO_SENDFILE)
aio = file->file->aio;
flags = (aio && aio->preload_handler) ? SF_NODISKIO : 0;
#if (NGX_HAVE_SENDFILE_NODISKIO)
flags = (c->busy_count <= 2) ? SF_NODISKIO : 0;
if (file->file->directio) {
flags |= SF_NOCACHE;
}
#endif
rc = sendfile(file->file->fd, c->fd, file->file_pos,
@ -199,7 +198,7 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
eintr = 1;
break;
#if (NGX_HAVE_AIO_SENDFILE)
#if (NGX_HAVE_SENDFILE_NODISKIO)
case NGX_EBUSY:
ebusy = 1;
break;
@ -252,41 +251,30 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
in = ngx_chain_update_sent(in, sent);
#if (NGX_HAVE_AIO_SENDFILE)
#if (NGX_HAVE_SENDFILE_NODISKIO)
if (ebusy) {
if (sent == 0) {
c->busy_count++;
if (c->busy_count > 2) {
ngx_log_error(NGX_LOG_ALERT, c->log, 0,
"sendfile(%V) returned busy again",
&file->file->name);
c->busy_count = 0;
aio->preload_handler = NULL;
send = prev_send;
continue;
}
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
"sendfile() busy, count:%d", c->busy_count);
} else {
c->busy_count = 0;
}
n = aio->preload_handler(file);
if (n > 0) {
send = prev_send + sent;
continue;
if (wev->posted) {
ngx_delete_posted_event(wev);
}
ngx_post_event(wev, &ngx_posted_next_events);
wev->ready = 0;
return in;
}
if (flags == SF_NODISKIO) {
c->busy_count = 0;
}
c->busy_count = 0;
#endif