--- parser3/src/main/pa_globals.C 2004/02/13 14:01:08 1.172 +++ parser3/src/main/pa_globals.C 2020/12/15 00:21:33 1.210 @@ -1,12 +1,10 @@ /** @file Parser: globals. - Copyright (c) 2001-2004 ArtLebedev Group (http://www.artlebedev.com) + Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com) Author: Alexandr Petrosian (http://paf.design.ru) */ -static const char * const IDENT_GLOBALS_C="$Date: 2004/02/13 14:01:08 $"; - #include "pa_config_includes.h" #ifdef XML @@ -15,106 +13,76 @@ static const char * const IDENT_GLOBALS_ #include "libxslt/xsltutils.h" extern "C" { #include "libexslt/exslt.h" -}; +} #endif -#include "pcre.h" - #include "pa_globals.h" -#include "pa_string.h" +#include "pa_socks.h" #include "pa_sapi.h" #include "pa_threads.h" #include "pa_xml_io.h" #include "pa_common.h" +#include "pa_symbols.h" #include "pa_cache_managers.h" +#include "ltdl.h" +#include "pcre.h" + +volatile const char * IDENT_PA_GLOBALS_C="$Id: pa_globals.C,v 1.210 2020/12/15 00:21:33 moko Exp $" IDENT_PA_GLOBALS_H IDENT_PA_SAPI_H; + // defines //#define PA_DEBUG_XML_GC_MEMORY // globals -short hex_value[0x100]; - -#ifdef XML -GdomeDOMImplementation *domimpl; -#endif - -static void setup_hex_value() { - memset(hex_value, 0, sizeof(hex_value)); - hex_value['0'] = 0; - hex_value['1'] = 1; - hex_value['2'] = 2; - hex_value['3'] = 3; - hex_value['4'] = 4; - hex_value['5'] = 5; - hex_value['6'] = 6; - hex_value['7'] = 7; - hex_value['8'] = 8; - hex_value['9'] = 9; - hex_value['A'] = 10; - hex_value['B'] = 11; - hex_value['C'] = 12; - hex_value['D'] = 13; - hex_value['E'] = 14; - hex_value['F'] = 15; - hex_value['a'] = 10; - hex_value['b'] = 11; - hex_value['c'] = 12; - hex_value['d'] = 13; - hex_value['e'] = 14; - hex_value['f'] = 15; -} +short hex_value[0x100] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, + 0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, +}; +THREAD_LOCAL Request* thread_request=NULL; // every TLS should be referenced elsewhere, or GC will collect it -Hash thread_request; void pa_register_thread_request(Request& r) { - thread_request.put(pa_get_thread_id(), &r); + thread_request=&r; } + /// retrives request set by pa_set_request function, useful in contextless places [slow] Request& pa_thread_request() { - return *thread_request.get(pa_get_thread_id()); + if(!thread_request) + throw Exception(0, 0, "request is not initialized"); + return *thread_request; } + #ifdef XML class XML_Generic_error_info { -public: +public:/*internal, actually*/ char buf[MAX_STRING*5]; size_t used; public: XML_Generic_error_info() { - reset(); - } - void reset() { buf[used=0]=0; } - const char* get_and_reset() { - if(used) { - char* result=pa_strdup(buf, used); - reset(); - return result; - } else - return 0; + const char* get() { + return used? buf: 0; } }; -static Hash xml_generic_error_infos; +THREAD_LOCAL XML_Generic_error_info* xml_generic_error_info = NULL; static void xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) { -//_asm int 3; - pa_thread_t thread_id=pa_get_thread_id(); - XML_Generic_error_info* p; - { - SYNCHRONIZED; // find+fill blocked - - // first try to get existing for this thread_id - p=xml_generic_error_infos.get(thread_id); - if(!p) // occupy empty one - xml_generic_error_infos.put(thread_id, (p=new(PointerFreeGC) XML_Generic_error_info)); - } + + if(!(p=xml_generic_error_info)) // occupy empty one + p=xml_generic_error_info=new(PointerFreeGC) XML_Generic_error_info; va_list args; va_start(args, msg); @@ -123,38 +91,19 @@ static void xmlParserGenericErrorFunc(vo } bool xmlHaveGenericErrors() { - pa_thread_t thread_id=pa_get_thread_id(); - - SYNCHRONIZED; // find blocked - - return xml_generic_error_infos.get(thread_id)!=0; + return xml_generic_error_info!=0; } const char* xmlGenericErrors() { - pa_thread_t thread_id=pa_get_thread_id(); - - SYNCHRONIZED; // find+free blocked - - if(XML_Generic_error_info *p=xml_generic_error_infos.get(thread_id)) - return p->get_and_reset(); + if(XML_Generic_error_info *p=xml_generic_error_info) { + xml_generic_error_info=0; + return p->get(); + } return 0; // no errors for our thread_id registered } -#endif - -void pa_globals_destroy(void *) { - try { -#ifdef XML - GdomeException exc; - gdome_di_unref (domimpl, &exc); - // uncomment SAPI::abort below if adding potential-throw code here -#endif - } catch(const Exception& e) { -// SAPI::abort("pa_globals_destroy failed: %s", e.comment()); - } -} - +#endif // XML #ifdef XML @@ -164,8 +113,9 @@ static char *pa_GC_strdup(const char *s) size_t size=strlen(s)+1; char *result=(char *)GC_MALLOC_ATOMIC(size); + if(!result) - SAPI::abort("out of memory (while duplicating XML string [size=%d])", size); + pa_fail_alloc("duplicate XML string",size); memcpy(result, s, size); #ifdef PA_DEBUG_XML_GC_MEMORY @@ -175,66 +125,61 @@ static char *pa_GC_strdup(const char *s) } #ifdef PA_DEBUG_XML_GC_MEMORY -void *pa_look_for[]={(void*)0x8abe000,(void*)0x0,(void*)0x0,(void*)0x0, - (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0}; -bool pa_looked(void*p) { - for(int i=0; i<8; i++) - if(pa_look_for[i]==p) - return true; - return false; -} + static void* pa_gc_malloc_log(size_t size){ - void *p=pa_gc_malloc(size); + void *p=GC_MALLOC(size); fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p); -// if(pa_looked(p)) -// fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p); return p; } + static void* pa_gc_malloc_atomic_log(size_t size){ - void *p=pa_gc_malloc_atomic(size); + void *p=GC_MALLOC_ATOMIC(size); fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p); -// if(pa_looked(p)) -// fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p); return p; } + static void* pa_gc_realloc_log(void *ptr, size_t size){ - void *p=pa_gc_realloc(ptr, size); + void *p=GC_REALLOC(ptr, size); fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p); -// if(pa_looked(p)) -// fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p); return p; } -//static void pa_gc_free_ignore(void *){} + static void pa_gc_free_log(void *p){ fprintf(stderr, "pa_gc_free_log(0x%p)\n", p); -// if(pa_looked(p)) -// fprintf(stderr,"catched debug free(0x%p)\n", p); - pa_gc_free(p); + GC_FREE(p); } + #else inline void *check(void *result, const char *where, size_t size) { if(!result) - SAPI::abort("out of memory (while %s [size=%d])", where, size); - + pa_fail_alloc(where, size); return result; } + static void* pa_gc_malloc_nonull(size_t size) { - return check(pa_gc_malloc(size), "allocating XML compsite memory", size); + return check(GC_MALLOC(size), "allocate XML compsite memory", size); } + static void* pa_gc_malloc_atomic_nonull(size_t size) { - return check(pa_gc_malloc_atomic(size), "allocating XML atomic memory", size); + return check(GC_MALLOC_ATOMIC(size), "allocate XML atomic memory", size); } + static void* pa_gc_realloc_nonull(void* ptr, size_t size) { - return check(pa_gc_realloc(ptr, size), "reallocating XML memory", size); + return check(GC_REALLOC(ptr, size), "reallocate XML memory", size); +} + +static void pa_gc_free_maybeignore(void* ptr) { + GC_FREE(ptr); } #endif -#endif + +#endif // XML void pa_CORD_oom_fn(void) { - SAPI::abort("out of memory (while expanding string)"); + pa_fail_alloc("expand string", 0); } /** @@ -244,7 +189,6 @@ static void gc_substitute_memory_managem // in libxml & libxslt #ifdef XML // asking to use GC memory -#if LIBXML_VERSION >= 20507 #ifdef PA_DEBUG_XML_GC_MEMORY xmlGcMemSetup( /*xmlFreeFunc */pa_gc_free_log, @@ -254,27 +198,18 @@ static void gc_substitute_memory_managem /*xmlStrdupFunc */pa_GC_strdup); #else xmlGcMemSetup( - /*xmlFreeFunc */pa_gc_free, + /*xmlFreeFunc */pa_gc_free_maybeignore, /*xmlMallocFunc */pa_gc_malloc_nonull, /*xmlMallocFunc */pa_gc_malloc_atomic_nonull, /*xmlReallocFunc */pa_gc_realloc_nonull, /*xmlStrdupFunc */pa_GC_strdup); #endif -#else - xmlMemSetup( - /*xmlFreeFunc */pa_gc_free, - /*xmlMallocFunc */pa_gc_malloc, - /*xmlReallocFunc */pa_gc_realloc, - /*xmlStrdupFunc */pa_GC_strdup); -#endif - #endif // pcre - pcre_malloc=pa_gc_malloc; - pcre_free=pa_gc_free; - + pcre_malloc=pa_malloc; + pcre_free=pa_free; // cord CORD_oom_fn=pa_CORD_oom_fn; @@ -284,37 +219,42 @@ static void gc_substitute_memory_managem @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1); */ void pa_globals_init() { - // global variables - cache_managers=new Cache_managers; +#ifndef PA_DEBUG_DISABLE_GC + // Dont collect unless explicitly requested. This is quicker (~30% ), + // but less memory-efficient(~8%), so deciding for speed. + GC_disable(); + // as we log allocation errors, we don't need default gc warnings (without timestamp and URI) + GC_set_warn_proc(GC_ignore_warn_proc); +#endif + + // init socks + pa_socks_init(); + + // global variables + cache_managers=new Cache_managers; // in various libraries gc_substitute_memory_management_functions(); - // hex value - setup_hex_value(); +#ifdef SYMBOLS_CACHING + // symbols cache + Symbols::init(); +#endif #ifdef XML // initializing xml libs - /* First get a DOMImplementation reference */ - domimpl = gdome_di_mkref (); - /* - * Register the EXSLT extensions and the test module - */ + // Register the EXSLT extensions and the test module exsltRegisterAll(); xsltRegisterTestModule(); xmlDefaultSAXHandlerInit(); - /* - * disable CDATA from being built in the document tree - */ + + // disable CDATA from being built in the document tree // never added yet xmlDefaultSAXHandler.cdataBlock = NULL; - /* - * Initialization function for the XML parser. - * This is not reentrant. Call once before processing in case of - * use in multithreaded programs. - */ + // Initialization function for the XML parser. This is not reentrant. + // Call once before processing in case of use in multithreaded programs. xmlInitParser(); // 1. this is needed for proper parsing of stylesheets @@ -333,86 +273,90 @@ void pa_globals_init() { xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS; // validate each document after load/create (?) - //xmlDoValidityCheckingDefaultValue = 1; + // xmlDoValidityCheckingDefaultValue = 1; -//regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1); + // regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1); // never switched this on xmlIndentTreeOutput=1; xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc); xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc); -// FILE *f=fopen("y:\\xslt.log", "wt"); + +// FILE *f=fopen("xslt.log", "wt"); // xsltSetGenericDebugFunc(f/*stderr*/, 0); pa_xml_io_init(); #endif } +static bool is_dlinited=false; + +void pa_globals_done() { + delete cache_managers; + cache_managers=0; + + if(is_dlinited) + lt_dlexit(); + + pa_socks_done(); +} + +void pa_dlinit() { + if(!is_dlinited){ + if(lt_dlinit()) + throw Exception(0,0,"preparation for dynamic library loading failed, %s", lt_dlerror()); + is_dlinited=true; + } +} + #ifdef _MSC_VER -#ifndef PA_DEBUG_DISABLE_GC -# define GC_LIB "../../../../win32/gc" -# ifdef _DEBUG -# pragma comment(lib, GC_LIB "/Debug/gc.lib") -# else -# pragma comment(lib, GC_LIB "/Release/gc.lib") -# endif +#define PREFIX "../../../../win32/" +#ifdef _DEBUG +#define CONFIGURATION "Debug" +#else +#define CONFIGURATION "Release" +#endif + +#ifdef _WIN64 +#define PLATFORM_64 "x64/" +#define PLATFORM_32 "" +#else +#define PLATFORM_64 "" +#define PLATFORM_32 "win32/" #endif +#pragma comment(lib, PREFIX "pcre/" PLATFORM_64 CONFIGURATION "/pcre.lib") + +#ifndef PA_DEBUG_DISABLE_GC + +#pragma comment(lib, PREFIX "gc/" PLATFORM_64 CONFIGURATION "/gc.lib") + +#endif // PA_DEBUG_DISABLE_GC + + #ifdef XML -# define GNOME_LIBS "../../../../win32/gnome" -# pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib") -# ifdef _DEBUG - -# ifdef LIBXML_STATIC -# pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2_a.lib") -# else -# pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2.lib") -# endif - -# ifdef LIBXSLT_STATIC -# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt_a.lib") -# else -# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt.lib") -# endif -# ifdef LIBEXSLT_STATIC -# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt_a.lib") -# else -# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt.lib") -# endif - -# ifdef LIBGDOME_STATIC -# pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/DebugStatic/libgdome.lib") -# else -# pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/DebugDynamic/libgdome.lib") -# endif -#else +#define GNOME_LIBS PREFIX "gnome" -# ifdef LIBXML_STATIC -# pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2_a.lib") -# else -# pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2.lib") -# endif - -# ifdef LIBXSLT_STATIC -# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt_a.lib") -# else -# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt.lib") -# endif -# ifdef LIBEXSLT_STATIC -# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt_a.lib") -# else -# pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt.lib") -# endif - -# ifdef LIBGDOME_STATIC -# pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/ReleaseStatic/libgdome.lib") -# else -# pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/ReleaseDynamic/libgdome.lib") -# endif +#define LIB_XML PREFIX "gnome/libxml2-x.x.x/" PLATFORM_64 PLATFORM_32 CONFIGURATION "/lib/" +#define LIB_XSLT PREFIX "gnome/libxslt-x.x.x/" PLATFORM_64 PLATFORM_32 CONFIGURATION "/lib/" -# endif +#ifdef XML_STATIC +#pragma comment(lib, LIB_XML "libxml2_a.lib") +#pragma comment(lib, LIB_XSLT "libxslt_a.lib") +#pragma comment(lib, LIB_XSLT "libexslt_a.lib") +#else +#pragma comment(lib, LIB_XML "libxml2.lib") +#pragma comment(lib, LIB_XSLT "libxslt.lib") +#pragma comment(lib, LIB_XSLT "libexslt.lib") #endif +#endif // XML + +// defines for VS2015 to link with gc/xml libs compiled in the previous VS versions +#if _MSC_VER >= 1900 +#pragma comment(lib,"legacy_stdio_definitions.lib") #endif + +#endif // _MSC_VER