Backed out the fix for bug 121975. It doesn't work on Windows 95.

Modified Files: configure configure.in WIN32.mk _win95.h w95dllmain.c
w95thred.c
This commit is contained in:
wtc%netscape.com 2002-04-27 03:12:25 +00:00
Родитель a8c209acc9
Коммит 6fa9237285
6 изменённых файлов: 75 добавлений и 93 удалений

Просмотреть файл

@ -115,6 +115,16 @@ endif
DEFINES += -DWIN32
#
# On Win95, we use the TlsXXX() interface by default because that
# allows us to load the NSPR DLL dynamically at run time.
# If you want to use static thread-local storage (TLS) for better
# performance, build the NSPR library with USE_STATIC_TLS=1.
#
ifeq ($(USE_STATIC_TLS),1)
DEFINES += -D_PR_USE_STATIC_TLS
endif
#
# NSPR uses both fibers and static thread-local storage
# (i.e., __declspec(thread) variables) on NT. We need the -GT

49
nsprpub/configure поставляемый
Просмотреть файл

@ -3796,6 +3796,13 @@ EOF
fi
fi # GNU_CC
if test -n "$USE_STATIC_TLS"; then
cat >> confdefs.h <<\EOF
#define _PR_USE_STATIC_TLS 1
EOF
fi
if test "$OS_TARGET" = "WINNT"; then
cat >> confdefs.h <<\EOF
#define WINNT 1
@ -4152,17 +4159,17 @@ EOF
ac_safe=`echo "machine/builtins.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for machine/builtins.h""... $ac_c" 1>&6
echo "configure:4156: checking for machine/builtins.h" >&5
echo "configure:4163: checking for machine/builtins.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 4161 "configure"
#line 4168 "configure"
#include "confdefs.h"
#include <machine/builtins.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:4166: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:4173: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
@ -4677,12 +4684,12 @@ esac
if test -z "$SKIP_LIBRARY_CHECKS"; then
echo $ac_n "checking for dlopen""... $ac_c" 1>&6
echo "configure:4681: checking for dlopen" >&5
echo "configure:4688: checking for dlopen" >&5
if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 4686 "configure"
#line 4693 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char dlopen(); below. */
@ -4705,7 +4712,7 @@ dlopen();
; return 0; }
EOF
if { (eval echo configure:4709: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4716: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_dlopen=yes"
else
@ -4724,7 +4731,7 @@ else
echo "$ac_t""no" 1>&6
echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
echo "configure:4728: checking for dlopen in -ldl" >&5
echo "configure:4735: checking for dlopen in -ldl" >&5
ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
@ -4732,7 +4739,7 @@ else
ac_save_LIBS="$LIBS"
LIBS="-ldl $LIBS"
cat > conftest.$ac_ext <<EOF
#line 4736 "configure"
#line 4743 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
@ -4743,7 +4750,7 @@ int main() {
dlopen()
; return 0; }
EOF
if { (eval echo configure:4747: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4754: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@ -4771,13 +4778,13 @@ fi
if test $ac_cv_prog_gcc = yes; then
echo $ac_n "checking whether ${CC-cc} needs -traditional""... $ac_c" 1>&6
echo "configure:4775: checking whether ${CC-cc} needs -traditional" >&5
echo "configure:4782: checking whether ${CC-cc} needs -traditional" >&5
if eval "test \"`echo '$''{'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_pattern="Autoconf.*'x'"
cat > conftest.$ac_ext <<EOF
#line 4781 "configure"
#line 4788 "configure"
#include "confdefs.h"
#include <sgtty.h>
Autoconf TIOCGETP
@ -4795,7 +4802,7 @@ rm -f conftest*
if test $ac_cv_prog_gcc_traditional = no; then
cat > conftest.$ac_ext <<EOF
#line 4799 "configure"
#line 4806 "configure"
#include "confdefs.h"
#include <termio.h>
Autoconf TCGETA
@ -4819,12 +4826,12 @@ fi
for ac_func in lchown strerror
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:4823: checking for $ac_func" >&5
echo "configure:4830: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 4828 "configure"
#line 4835 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
@ -4847,7 +4854,7 @@ $ac_func();
; return 0; }
EOF
if { (eval echo configure:4851: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4858: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
@ -4885,7 +4892,7 @@ fi
echo $ac_n "checking for pthread_create in -lpthreads""... $ac_c" 1>&6
echo "configure:4889: checking for pthread_create in -lpthreads" >&5
echo "configure:4896: checking for pthread_create in -lpthreads" >&5
echo "
#include <pthread.h>
void *foo(void *v) { int a = 1; }
@ -4907,7 +4914,7 @@ echo "
echo "$ac_t""no" 1>&6
echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
echo "configure:4911: checking for pthread_create in -lpthread" >&5
echo "configure:4918: checking for pthread_create in -lpthread" >&5
echo "
#include <pthread.h>
void *foo(void *v) { int a = 1; }
@ -4929,7 +4936,7 @@ echo "
echo "$ac_t""no" 1>&6
echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
echo "configure:4933: checking for pthread_create in -lc_r" >&5
echo "configure:4940: checking for pthread_create in -lc_r" >&5
echo "
#include <pthread.h>
void *foo(void *v) { int a = 1; }
@ -4951,7 +4958,7 @@ echo "
echo "$ac_t""no" 1>&6
echo $ac_n "checking for pthread_create in -lc""... $ac_c" 1>&6
echo "configure:4955: checking for pthread_create in -lc" >&5
echo "configure:4962: checking for pthread_create in -lc" >&5
echo "
#include <pthread.h>
void *foo(void *v) { int a = 1; }
@ -5101,7 +5108,7 @@ if test -n "$USE_PTHREADS"; then
rm -f conftest*
ac_cv_have_dash_pthread=no
echo $ac_n "checking whether ${CC-cc} accepts -pthread""... $ac_c" 1>&6
echo "configure:5105: checking whether ${CC-cc} accepts -pthread" >&5
echo "configure:5112: checking whether ${CC-cc} accepts -pthread" >&5
echo 'int main() { return 0; }' | cat > conftest.c
${CC-cc} -pthread -o conftest conftest.c > conftest.out 2>&1
if test $? -eq 0; then
@ -5124,7 +5131,7 @@ echo "configure:5105: checking whether ${CC-cc} accepts -pthread" >&5
ac_cv_have_dash_pthreads=no
if test "$ac_cv_have_dash_pthread" = "no"; then
echo $ac_n "checking whether ${CC-cc} accepts -pthreads""... $ac_c" 1>&6
echo "configure:5128: checking whether ${CC-cc} accepts -pthreads" >&5
echo "configure:5135: checking whether ${CC-cc} accepts -pthreads" >&5
echo 'int main() { return 0; }' | cat > conftest.c
${CC-cc} -pthreads -o conftest conftest.c > conftest.out 2>&1
if test $? -eq 0; then

Просмотреть файл

@ -1247,6 +1247,10 @@ case "$target" in
fi
fi # GNU_CC
if test -n "$USE_STATIC_TLS"; then
AC_DEFINE(_PR_USE_STATIC_TLS)
fi
if test "$OS_TARGET" = "WINNT"; then
AC_DEFINE(WINNT)
else

Просмотреть файл

@ -409,55 +409,31 @@ extern PRStatus _PR_KillWindowsProcess(struct PRProcess *process);
extern struct PRThread * _MD_CURRENT_THREAD(void);
extern BOOL _pr_use_static_tls;
#ifdef _PR_USE_STATIC_TLS
extern __declspec(thread) struct PRThread *_pr_currentThread;
extern DWORD _pr_currentThreadIndex;
#define _MD_GET_ATTACHED_THREAD() \
(_pr_use_static_tls ? _pr_currentThread \
: (PRThread *) TlsGetValue(_pr_currentThreadIndex))
#define _MD_SET_CURRENT_THREAD(_thread) \
PR_BEGIN_MACRO \
if (_pr_use_static_tls) { \
_pr_currentThread = (_thread); \
} else { \
TlsSetValue(_pr_currentThreadIndex, (_thread)); \
} \
PR_END_MACRO
#define _MD_GET_ATTACHED_THREAD() _pr_currentThread
#define _MD_SET_CURRENT_THREAD(_thread) (_pr_currentThread = (_thread))
extern __declspec(thread) struct PRThread *_pr_thread_last_run;
extern DWORD _pr_lastThreadIndex;
#define _MD_LAST_THREAD() \
(_pr_use_static_tls ? _pr_thread_last_run \
: (PRThread *) TlsGetValue(_pr_lastThreadIndex))
#define _MD_SET_LAST_THREAD(_thread) \
PR_BEGIN_MACRO \
if (_pr_use_static_tls) { \
_pr_thread_last_run = 0; \
} else { \
TlsSetValue(_pr_lastThreadIndex, 0); \
} \
PR_END_MACRO
#define _MD_LAST_THREAD() _pr_thread_last_run
#define _MD_SET_LAST_THREAD(_thread) (_pr_thread_last_run = 0)
extern __declspec(thread) struct _PRCPU *_pr_currentCPU;
#define _MD_CURRENT_CPU() _pr_currentCPU
#define _MD_SET_CURRENT_CPU(_cpu) (_pr_currentCPU = 0)
#else /* _PR_USE_STATIC_TLS */
extern DWORD _pr_currentThreadIndex;
#define _MD_GET_ATTACHED_THREAD() ((PRThread *) TlsGetValue(_pr_currentThreadIndex))
#define _MD_SET_CURRENT_THREAD(_thread) TlsSetValue(_pr_currentThreadIndex, (_thread))
extern DWORD _pr_lastThreadIndex;
#define _MD_LAST_THREAD() ((PRThread *) TlsGetValue(_pr_lastThreadIndex))
#define _MD_SET_LAST_THREAD(_thread) TlsSetValue(_pr_lastThreadIndex, 0)
extern DWORD _pr_currentCPUIndex;
#define _MD_CURRENT_CPU() \
(_pr_use_static_tls ? _pr_currentCPU \
: (struct _PRCPU *) TlsGetValue(_pr_currentCPUIndex))
#define _MD_SET_CURRENT_CPU(_cpu) \
PR_BEGIN_MACRO \
if (_pr_use_static_tls) { \
_pr_currentCPU = 0; \
} else { \
TlsSetValue(_pr_currentCPUIndex, 0); \
} \
PR_END_MACRO
#define _MD_CURRENT_CPU() ((struct _PRCPU *) TlsGetValue(_pr_currentCPUIndex))
#define _MD_SET_CURRENT_CPU(_cpu) TlsSetValue(_pr_currentCPUIndex, 0)
#endif /* _PR_USE_STATIC_TLS */
/* --- Scheduler stuff --- */
#define LOCK_SCHEDULER() 0

Просмотреть файл

@ -36,20 +36,12 @@
* The DLL entry point (DllMain) for NSPR.
*
* This is used to detach threads that were automatically attached by
* nspr and to find out whether the NSPR DLL is statically or
* dynamically loaded. When dynamically loaded, we cannot use static
* thread-local storage. However, static TLS is faster than the
* TlsXXX() functions. So we want to use static TLS whenever we can.
* A global variable _pr_use_static_tls is set in DllMain() during
* process attachment to indicate whether it is safe to use static
* TLS or not.
* nspr.
*/
#include <windows.h>
#include <primpl.h>
extern BOOL _pr_use_static_tls; /* defined in w95thred.c */
BOOL WINAPI DllMain(
HINSTANCE hinstDLL,
DWORD fdwReason,
@ -59,15 +51,6 @@ PRThread *me;
switch (fdwReason) {
case DLL_PROCESS_ATTACH:
/*
* If lpvReserved is NULL, we are dynamically loaded
* and therefore can't use static thread-local storage.
*/
if (lpvReserved == NULL) {
_pr_use_static_tls = FALSE;
} else {
_pr_use_static_tls = TRUE;
}
break;
case DLL_THREAD_ATTACH:
break;

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@ -38,13 +38,15 @@
extern void _PR_Win32InitTimeZone(void); /* defined in ntmisc.c */
/* --- globals ------------------------------------------------ */
BOOL _pr_use_static_tls = TRUE;
#ifdef _PR_USE_STATIC_TLS
__declspec(thread) struct PRThread *_pr_thread_last_run;
__declspec(thread) struct PRThread *_pr_currentThread;
__declspec(thread) struct _PRCPU *_pr_currentCPU;
#else
DWORD _pr_currentThreadIndex;
DWORD _pr_lastThreadIndex;
DWORD _pr_currentCPUIndex;
#endif
int _pr_intsOff = 0;
_PRInterruptTable _pr_interruptTable[] = { { 0 } };
@ -53,11 +55,11 @@ _PR_MD_EARLY_INIT()
{
_PR_Win32InitTimeZone();
if (!_pr_use_static_tls) {
_pr_currentThreadIndex = TlsAlloc();
_pr_lastThreadIndex = TlsAlloc();
_pr_currentCPUIndex = TlsAlloc();
}
#ifndef _PR_USE_STATIC_TLS
_pr_currentThreadIndex = TlsAlloc();
_pr_lastThreadIndex = TlsAlloc();
_pr_currentCPUIndex = TlsAlloc();
#endif
}
void _PR_MD_CLEANUP_BEFORE_EXIT(void)
@ -66,11 +68,11 @@ void _PR_MD_CLEANUP_BEFORE_EXIT(void)
WSACleanup();
if (!_pr_use_static_tls) {
TlsFree(_pr_currentThreadIndex);
TlsFree(_pr_lastThreadIndex);
TlsFree(_pr_currentCPUIndex);
}
#ifndef _PR_USE_STATIC_TLS
TlsFree(_pr_currentThreadIndex);
TlsFree(_pr_lastThreadIndex);
TlsFree(_pr_currentCPUIndex);
#endif
}
PRStatus