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Threads: offloading of temp files writing to thread pools. The ngx_thread_write_chain_to_file() function introduced, which uses ngx_file_t thread_handler, thread_ctx and thread_task fields. The task context structure (ngx_thread_file_ctx_t) is the same for both reading and writing, and can be safely shared as long as operations are serialized. The task->handler field is now always set (and not only when task is allocated), as the same task can be used with different handlers. The thread_write flag is introduced in the ngx_temp_file_t structure to explicitly enable use of ngx_thread_write_chain_to_file() in ngx_write_chain_to_temp_file() when supported by caller. In collaboration with Valentin Bartenev.
author Maxim Dounin <mdounin@mdounin.ru>
date Fri, 18 Mar 2016 06:44:03 +0300
parents 78f8ac479735
children
line wrap: on
line source


# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


case "$NGX_CC_NAME" in

    msvc)
        ngx_makefile=makefile.msvc
        ngx_opt="CPU_OPT=\"$CPU_OPT\" LIBC=$LIBC SHA1_ASM=$SHA1_ASM"
        ngx_sha1="SHA1=\"$SHA1\""
    ;;

    owc)
        ngx_makefile=makefile.owc
        ngx_opt="CPU_OPT=\"$CPU_OPT\""
        ngx_sha1=`echo SHA1=\"$SHA1\" | sed -e "s/\//$ngx_regex_dirsep/g"`
    ;;

    bcc)
        ngx_makefile=makefile.bcc
        ngx_opt="-DCPU_OPT=\"$CPU_OPT\" -DSHA1_ASM=$SHA1_ASM"
        ngx_sha1=`echo \-DSHA1=\"$SHA1\" | sed -e "s/\//$ngx_regex_dirsep/g"`
    ;;

esac


done=NO


case "$NGX_PLATFORM" in

    win32)
        cat << END                                        >> $NGX_MAKEFILE

`echo "$SHA1/sha1.lib:	$NGX_MAKEFILE" | sed -e "s/\//$ngx_regex_dirsep/g"`
	\$(MAKE) -f auto/lib/sha1/$ngx_makefile $ngx_opt $ngx_sha1

END

        done=YES
    ;;

    SunOS:*:i86pc)
        if [ $SHA1_ASM = YES ]; then

            cat << END                                        >> $NGX_MAKEFILE

$SHA1/libsha.a:	$NGX_MAKEFILE
	cd $SHA1 \\
	&& \$(MAKE) CFLAGS="$SHA1_OPT -DSOL -DSHA1_ASM -DL_ENDIAN" \\
		CC="\$(CC)" CPP="\$(CPP)" \\
		SHA_ASM_OBJ=asm/sx86-sol.o clean libsha.a

END

            done=YES
        fi
    ;;

    # FreeBSD: i386
    # Linux: i686

    *:i386 | *:i686)
        if [ $SHA1_ASM = YES ]; then

            cat << END                                        >> $NGX_MAKEFILE

$SHA1/libsha.a:	$NGX_MAKEFILE
	cd $SHA1 \\
	&& \$(MAKE) CFLAGS="$SHA1_OPT -DELF -DSHA1_ASM -DL_ENDIAN" \\
		CC="\$(CC)" CPP="\$(CPP)" \\
		SHA_ASM_OBJ=asm/sx86-elf.o clean libsha.a

END

            done=YES
        fi
    ;;

esac


if [ $done = NO ]; then

    cat << END                                                >> $NGX_MAKEFILE

$SHA1/libsha.a:	$NGX_MAKEFILE
	cd $SHA1 \\
	&& \$(MAKE) CFLAGS="$SHA1_OPT" \\
		CC="\$(CC)" SHA_ASM_OBJ= clean libsha.a

END

fi