Moved the implementation of the pthread wrappers to dlls/kernel.

This commit is contained in:
Alexandre Julliard 2003-09-03 00:26:08 +00:00
parent 9cceea3070
commit 80e34dbb66
10 changed files with 767 additions and 376 deletions

130
configure vendored
View File

@ -1128,7 +1128,7 @@ _ASBOX
echo "$as_me: caught signal $ac_signal"
echo "$as_me: exit $exit_status"
} >&5
rm -f core core.* *.core &&
rm -f core *.core &&
rm -rf conftest* confdefs* conf$$* $ac_clean_files &&
exit $exit_status
' 0
@ -6080,7 +6080,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
ac_cv_header_stdc=no
fi
rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
fi
@ -9962,6 +9962,122 @@ _ACEOF
fi
echo "$as_me:$LINENO: checking for pthread_rwlock_t" >&5
echo $ECHO_N "checking for pthread_rwlock_t... $ECHO_C" >&6
if test "${ac_cv_type_pthread_rwlock_t+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#define _GNU_SOURCE
#include <pthread.h>
int
main ()
{
if ((pthread_rwlock_t *) 0)
return 0;
if (sizeof (pthread_rwlock_t))
return 0;
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_type_pthread_rwlock_t=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_type_pthread_rwlock_t=no
fi
rm -f conftest.$ac_objext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $ac_cv_type_pthread_rwlock_t" >&5
echo "${ECHO_T}$ac_cv_type_pthread_rwlock_t" >&6
if test $ac_cv_type_pthread_rwlock_t = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_PTHREAD_RWLOCK_T 1
_ACEOF
fi
echo "$as_me:$LINENO: checking for pthread_rwlockattr_t" >&5
echo $ECHO_N "checking for pthread_rwlockattr_t... $ECHO_C" >&6
if test "${ac_cv_type_pthread_rwlockattr_t+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#define _GNU_SOURCE
#include <pthread.h>
int
main ()
{
if ((pthread_rwlockattr_t *) 0)
return 0;
if (sizeof (pthread_rwlockattr_t))
return 0;
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_type_pthread_rwlockattr_t=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_type_pthread_rwlockattr_t=no
fi
rm -f conftest.$ac_objext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $ac_cv_type_pthread_rwlockattr_t" >&5
echo "${ECHO_T}$ac_cv_type_pthread_rwlockattr_t" >&6
if test $ac_cv_type_pthread_rwlockattr_t = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_PTHREAD_RWLOCKATTR_T 1
_ACEOF
fi
@ -10841,7 +10957,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
ac_cv_mmap64_works="no"
fi
rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
echo "$as_me:$LINENO: result: $ac_cv_mmap64_works" >&5
@ -10911,7 +11027,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
ac_cv_c_gcc_strength_bug="yes"
fi
rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
echo "$as_me:$LINENO: result: $ac_cv_c_gcc_strength_bug" >&5
@ -12135,7 +12251,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
ac_cv_ld_reloc_exec="no"
fi
rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
CFLAGS="$saved_CFLAGS"
fi
@ -13437,7 +13553,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
ac_cv_c_stack_direction=-1
fi
rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
echo "$as_me:$LINENO: result: $ac_cv_c_stack_direction" >&5
@ -15177,7 +15293,7 @@ echo "$as_me: error: cannot compute sizeof (long long), 77
See \`config.log' for more details." >&2;}
{ (exit 1); exit 1; }; }
fi
rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
rm -f conftest.val

View File

@ -520,6 +520,10 @@ then
AC_DEFINE(HAVE___VA_COPY, 1, [Define if we have __va_copy])
fi
dnl **** Check for pthread_rwlock_t ****
AC_CHECK_TYPES([pthread_rwlock_t, pthread_rwlockattr_t],,,[#define _GNU_SOURCE
#include <pthread.h>])
dnl **** Check for Open Sound System ****
AC_CHECK_HEADERS(sys/soundcard.h machine/soundcard.h soundcard.h, break)

View File

@ -39,6 +39,7 @@ C_SRCS = \
powermgnt.c \
process.c \
profile.c \
pthread.c \
relay16.c \
resource.c \
resource16.c \

355
dlls/kernel/pthread.c Normal file
View File

@ -0,0 +1,355 @@
/*
* pthread emulation for re-entrant libcs
*
* Copyright 1999 Ove Kåven
* Copyright 2003 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#define _GNU_SOURCE /* we may need to override some GNU extensions */
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <setjmp.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <string.h>
#include <sys/types.h>
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif
#include "winbase.h"
#include "thread.h"
#include "winternl.h"
#include "wine/pthread.h"
#define P_OUTPUT(stuff) write(2,stuff,strlen(stuff))
static const struct wine_pthread_functions functions;
DECL_GLOBAL_CONSTRUCTOR(pthread_init) { wine_pthread_init_process( &functions ); }
static inline int init_done(void) { return GetProcessHeap() != 0; }
/* NOTE: This is a truly extremely incredibly ugly hack!
* But it does seem to work... */
/* assume that pthread_mutex_t has room for at least one pointer,
* and hope that the users of pthread_mutex_t considers it opaque
* (never checks what's in it)
* also: assume that static initializer sets pointer to NULL
*/
typedef struct
{
#ifdef __GLIBC__
int reserved;
#endif
CRITICAL_SECTION *critsect;
} *wine_mutex;
/* see wine_mutex above for comments */
typedef struct {
RTL_RWLOCK *lock;
} *wine_rwlock;
struct pthread_thread_init
{
void* (*start_routine)(void*);
void* arg;
};
static DWORD CALLBACK pthread_thread_start(LPVOID data)
{
struct pthread_thread_init init = *(struct pthread_thread_init*)data;
HeapFree(GetProcessHeap(),0,data);
return (DWORD)init.start_routine(init.arg);
}
static int wine_pthread_create(pthread_t* thread, const pthread_attr_t* attr, void*
(*start_routine)(void *), void* arg)
{
HANDLE hThread;
struct pthread_thread_init* idata = HeapAlloc(GetProcessHeap(), 0, sizeof(struct pthread_thread_init));
idata->start_routine = start_routine;
idata->arg = arg;
hThread = CreateThread( NULL, 0, pthread_thread_start, idata, 0, (LPDWORD)thread);
if(hThread)
CloseHandle(hThread);
else
{
HeapFree(GetProcessHeap(),0,idata); /* free idata struct on failure */
return EAGAIN;
}
return 0;
}
static int wine_pthread_cancel(pthread_t thread)
{
HANDLE hThread = OpenThread(THREAD_ALL_ACCESS, FALSE, (DWORD)thread);
if(!TerminateThread(hThread, 0))
{
CloseHandle(hThread);
return EINVAL; /* return error */
}
CloseHandle(hThread);
return 0; /* return success */
}
static int wine_pthread_join(pthread_t thread, void **value_ptr)
{
HANDLE hThread = OpenThread(THREAD_ALL_ACCESS, FALSE, (DWORD)thread);
WaitForSingleObject(hThread, INFINITE);
if(!GetExitCodeThread(hThread, (LPDWORD)value_ptr))
{
CloseHandle(hThread);
return EINVAL; /* FIXME: make this more correctly match */
} /* windows errors */
CloseHandle(hThread);
return 0;
}
/*FIXME: not sure what to do with this one... */
static int wine_pthread_detach(pthread_t thread)
{
P_OUTPUT("FIXME:pthread_detach\n");
return 0;
}
/***** MUTEXES *****/
static int wine_pthread_mutex_init(pthread_mutex_t *mutex,
const pthread_mutexattr_t *mutexattr)
{
/* glibc has a tendency to initialize mutexes very often, even
in situations where they are not really used later on.
As for us, initializing a mutex is very expensive, we postpone
the real initialization until the time the mutex is first used. */
((wine_mutex)mutex)->critsect = NULL;
return 0;
}
static void mutex_real_init( pthread_mutex_t *mutex )
{
CRITICAL_SECTION *critsect = HeapAlloc(GetProcessHeap(), 0, sizeof(CRITICAL_SECTION));
RtlInitializeCriticalSection(critsect);
if (InterlockedCompareExchangePointer((void**)&(((wine_mutex)mutex)->critsect),critsect,NULL) != NULL) {
/* too late, some other thread already did it */
RtlDeleteCriticalSection(critsect);
HeapFree(GetProcessHeap(), 0, critsect);
}
}
static int wine_pthread_mutex_lock(pthread_mutex_t *mutex)
{
if (!init_done()) return 0;
if (!((wine_mutex)mutex)->critsect)
mutex_real_init( mutex );
RtlEnterCriticalSection(((wine_mutex)mutex)->critsect);
return 0;
}
static int wine_pthread_mutex_trylock(pthread_mutex_t *mutex)
{
if (!init_done()) return 0;
if (!((wine_mutex)mutex)->critsect)
mutex_real_init( mutex );
if (!RtlTryEnterCriticalSection(((wine_mutex)mutex)->critsect)) {
errno = EBUSY;
return -1;
}
return 0;
}
static int wine_pthread_mutex_unlock(pthread_mutex_t *mutex)
{
if (!((wine_mutex)mutex)->critsect) return 0;
RtlLeaveCriticalSection(((wine_mutex)mutex)->critsect);
return 0;
}
static int wine_pthread_mutex_destroy(pthread_mutex_t *mutex)
{
if (!((wine_mutex)mutex)->critsect) return 0;
if (((wine_mutex)mutex)->critsect->RecursionCount) {
#if 0 /* there seems to be a bug in libc6 that makes this a bad idea */
return EBUSY;
#else
while (((wine_mutex)mutex)->critsect->RecursionCount)
RtlLeaveCriticalSection(((wine_mutex)mutex)->critsect);
#endif
}
RtlDeleteCriticalSection(((wine_mutex)mutex)->critsect);
HeapFree(GetProcessHeap(), 0, ((wine_mutex)mutex)->critsect);
((wine_mutex)mutex)->critsect = NULL;
return 0;
}
/***** READ-WRITE LOCKS *****/
static void rwlock_real_init(pthread_rwlock_t *rwlock)
{
RTL_RWLOCK *lock = HeapAlloc(GetProcessHeap(), 0, sizeof(RTL_RWLOCK));
RtlInitializeResource(lock);
if (InterlockedCompareExchangePointer((void**)&(((wine_rwlock)rwlock)->lock),lock,NULL) != NULL) {
/* too late, some other thread already did it */
RtlDeleteResource(lock);
HeapFree(GetProcessHeap(), 0, lock);
}
}
static int wine_pthread_rwlock_init(pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *rwlock_attr)
{
((wine_rwlock)rwlock)->lock = NULL;
return 0;
}
static int wine_pthread_rwlock_destroy(pthread_rwlock_t *rwlock)
{
if (!((wine_rwlock)rwlock)->lock) return 0;
RtlDeleteResource(((wine_rwlock)rwlock)->lock);
HeapFree(GetProcessHeap(), 0, ((wine_rwlock)rwlock)->lock);
return 0;
}
static int wine_pthread_rwlock_rdlock(pthread_rwlock_t *rwlock)
{
if (!init_done()) return 0;
if (!((wine_rwlock)rwlock)->lock)
rwlock_real_init( rwlock );
while(TRUE)
if (RtlAcquireResourceShared(((wine_rwlock)rwlock)->lock, TRUE))
return 0;
}
static int wine_pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlock)
{
if (!init_done()) return 0;
if (!((wine_rwlock)rwlock)->lock)
rwlock_real_init( rwlock );
if (!RtlAcquireResourceShared(((wine_rwlock)rwlock)->lock, FALSE)) {
errno = EBUSY;
return -1;
}
return 0;
}
static int wine_pthread_rwlock_wrlock(pthread_rwlock_t *rwlock)
{
if (!init_done()) return 0;
if (!((wine_rwlock)rwlock)->lock)
rwlock_real_init( rwlock );
while(TRUE)
if (RtlAcquireResourceExclusive(((wine_rwlock)rwlock)->lock, TRUE))
return 0;
}
static int wine_pthread_rwlock_trywrlock(pthread_rwlock_t *rwlock)
{
if (!init_done()) return 0;
if (!((wine_rwlock)rwlock)->lock)
rwlock_real_init( rwlock );
if (!RtlAcquireResourceExclusive(((wine_rwlock)rwlock)->lock, FALSE)) {
errno = EBUSY;
return -1;
}
return 0;
}
static int wine_pthread_rwlock_unlock(pthread_rwlock_t *rwlock)
{
if (!((wine_rwlock)rwlock)->lock) return 0;
RtlReleaseResource( ((wine_rwlock)rwlock)->lock );
return 0;
}
/***** MISC *****/
static pthread_t wine_pthread_self(void)
{
return (pthread_t)GetCurrentThreadId();
}
static int wine_pthread_equal(pthread_t thread1, pthread_t thread2)
{
return (DWORD)thread1 == (DWORD)thread2;
}
static void wine_pthread_exit(void *retval, char *currentframe)
{
ExitThread((DWORD)retval);
}
static void *wine_get_thread_data(void)
{
return NtCurrentTeb()->pthread_data;
}
static void wine_set_thread_data( void *data )
{
NtCurrentTeb()->pthread_data = data;
}
static const struct wine_pthread_functions functions =
{
wine_get_thread_data, /* ptr_get_thread_data */
wine_set_thread_data, /* ptr_set_thread_data */
wine_pthread_self, /* ptr_pthread_self */
wine_pthread_equal, /* ptr_pthread_equal */
wine_pthread_create, /* ptr_pthread_create */
wine_pthread_cancel, /* ptr_pthread_cancel */
wine_pthread_join, /* ptr_pthread_join */
wine_pthread_detach, /* ptr_pthread_detach */
wine_pthread_exit, /* ptr_pthread_exit */
wine_pthread_mutex_init, /* ptr_pthread_mutex_init */
wine_pthread_mutex_lock, /* ptr_pthread_mutex_lock */
wine_pthread_mutex_trylock, /* ptr_pthread_mutex_trylock */
wine_pthread_mutex_unlock, /* ptr_pthread_mutex_unlock */
wine_pthread_mutex_destroy, /* ptr_pthread_mutex_destroy */
wine_pthread_rwlock_init, /* ptr_pthread_rwlock_init */
wine_pthread_rwlock_destroy, /* ptr_pthread_rwlock_destroy */
wine_pthread_rwlock_rdlock, /* ptr_pthread_rwlock_rdlock */
wine_pthread_rwlock_tryrdlock, /* ptr_pthread_rwlock_tryrdlock */
wine_pthread_rwlock_wrlock, /* ptr_pthread_rwlock_wrlock */
wine_pthread_rwlock_trywrlock, /* ptr_pthread_rwlock_trywrlock */
wine_pthread_rwlock_unlock /* ptr_pthread_rwlock_unlock */
};

View File

@ -45,11 +45,8 @@
#include <sched.h>
#endif
#ifdef HAVE_NPTL
#include <pthread.h>
#endif
#include "thread.h"
#include "wine/pthread.h"
#include "wine/server.h"
#include "winbase.h"
#include "wine/library.h"
@ -70,7 +67,6 @@ struct thread_cleanup_info
static char temp_stacks[NB_TEMP_STACKS][TEMP_STACK_SIZE];
static LONG next_temp_stack; /* next temp stack to use */
extern void PTHREAD_init_thread(void);
/***********************************************************************
* SYSDEPS_SetCurThread
@ -102,7 +98,7 @@ void SYSDEPS_SetCurThread( TEB *teb )
#ifdef HAVE_NPTL
teb->pthread_data = (void *)pthread_self();
#else
PTHREAD_init_thread();
wine_pthread_init_thread();
#endif
}

View File

@ -395,6 +395,12 @@
/* Define to 1 if you have the `pread' function. */
#undef HAVE_PREAD
/* Define to 1 if the system has the type `pthread_rwlockattr_t'. */
#undef HAVE_PTHREAD_RWLOCKATTR_T
/* Define to 1 if the system has the type `pthread_rwlock_t'. */
#undef HAVE_PTHREAD_RWLOCK_T
/* Define to 1 if you have the <pty.h> header file. */
#undef HAVE_PTY_H

64
include/wine/pthread.h Normal file
View File

@ -0,0 +1,64 @@
/*
* Definitions for Wine pthread emulation
*
* Copyright 2003 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __WINE_WINE_PTHREAD_H
#define __WINE_WINE_PTHREAD_H
#define _GNU_SOURCE
#include <pthread.h>
#ifndef HAVE_PTHREAD_RWLOCK_T
typedef void *pthread_rwlock_t;
#endif
#ifndef HAVE_PTHREAD_RWLOCKATTR_T
typedef void *pthread_rwlockattr_t;
#endif
struct wine_pthread_functions
{
void * (*ptr_get_thread_data)(void);
void (*ptr_set_thread_data)(void *data);
pthread_t (*ptr_pthread_self)(void);
int (*ptr_pthread_equal)(pthread_t thread1, pthread_t thread2);
int (*ptr_pthread_create)(pthread_t* thread, const pthread_attr_t* attr,
void* (*start_routine)(void *), void* arg);
int (*ptr_pthread_cancel)(pthread_t thread);
int (*ptr_pthread_join)(pthread_t thread, void **value_ptr);
int (*ptr_pthread_detach)(pthread_t thread);
void (*ptr_pthread_exit)(void *retval, char *currentframe);
int (*ptr_pthread_mutex_init)(pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexattr);
int (*ptr_pthread_mutex_lock)(pthread_mutex_t *mutex);
int (*ptr_pthread_mutex_trylock)(pthread_mutex_t *mutex);
int (*ptr_pthread_mutex_unlock)(pthread_mutex_t *mutex);
int (*ptr_pthread_mutex_destroy)(pthread_mutex_t *mutex);
int (*ptr_pthread_rwlock_init)(pthread_rwlock_t *rwlock,
const pthread_rwlockattr_t *rwlock_attr);
int (*ptr_pthread_rwlock_destroy)(pthread_rwlock_t *rwlock);
int (*ptr_pthread_rwlock_rdlock)(pthread_rwlock_t *rwlock);
int (*ptr_pthread_rwlock_tryrdlock)(pthread_rwlock_t *rwlock);
int (*ptr_pthread_rwlock_wrlock)(pthread_rwlock_t *rwlock);
int (*ptr_pthread_rwlock_trywrlock)(pthread_rwlock_t *rwlock);
int (*ptr_pthread_rwlock_unlock)(pthread_rwlock_t *rwlock);
};
extern void wine_pthread_init_process( const struct wine_pthread_functions *functions );
extern void wine_pthread_init_thread(void);
#endif /* __WINE_WINE_PTHREAD_H */

View File

@ -420,6 +420,8 @@ void wine_init( int argc, char *argv[], char *error, int error_size )
void (*init_func)(int, char **);
if (!(ntdll = dlopen_dll( "ntdll.dll", error, error_size, 0, &file_exists ))) return;
/* make sure kernel32 is loaded too */
if (!dlopen_dll( "kernel32.dll", error, error_size, 0, &file_exists )) return;
if (!(init_func = wine_dlsym( ntdll, "__wine_process_init", error, error_size ))) return;
init_func( argc, argv );
}

View File

@ -117,9 +117,6 @@ static unsigned int server_startticks;
int main_create_flags = 0;
/* scheduler/pthread.c */
extern void PTHREAD_init_done(void);
/* dlls/ntdll/env.c */
extern BOOL init_user_process_pmts( size_t, char*, size_t );
extern BOOL build_command_line( char **argv );
@ -359,9 +356,6 @@ static BOOL process_init( char *argv[] )
process_pmts.hStdError = console_handle_map(process_pmts.hStdError);
}
/* Now we can use the pthreads routines */
PTHREAD_init_done();
/* Copy the parent environment */
if (!init_user_process_pmts( info_size, main_exe_name, sizeof(main_exe_name) ))
return FALSE;

View File

@ -5,6 +5,7 @@
* that want pthreads use Wine's own threading instead...
*
* Copyright 1999 Ove Kåven
* Copyright 2003 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -28,11 +29,10 @@
struct _pthread_cleanup_buffer;
#define _GNU_SOURCE /* we may need to override some GNU extensions */
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <signal.h>
#include <setjmp.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
@ -55,49 +55,62 @@ struct _pthread_cleanup_buffer;
#include <valgrind/memcheck.h>
#endif
#include "winbase.h"
#include "thread.h"
#include "winternl.h"
#include "wine/pthread.h"
/* default errno before threading is initialized */
static int *default_errno_location(void)
#define P_OUTPUT(stuff) write(2,stuff,strlen(stuff))
#define PSTR(str) __ASM_NAME(#str)
static struct wine_pthread_functions funcs;
/* thread descriptor */
#define FIRST_KEY 0
#define MAX_KEYS 16 /* libc6 doesn't use that many, but... */
#define MAX_TSD 16
struct pthread_descr_struct
{
static int static_errno;
return &static_errno;
char dummy[2048];
int thread_errno;
int thread_h_errno;
int cancel_state;
int cancel_type;
struct __res_state res_state;
const void *key_data[MAX_KEYS]; /* for normal pthread keys */
const void *tsd_data[MAX_TSD]; /* for libc internal tsd variables */
};
typedef struct pthread_descr_struct *pthread_descr;
static struct pthread_descr_struct initial_descr;
pthread_descr __pthread_thread_self(void)
{
struct pthread_descr_struct *descr;
if (!funcs.ptr_get_thread_data) return &initial_descr;
descr = funcs.ptr_get_thread_data();
if (!descr) return &initial_descr;
return descr;
}
/* default h_errno before threading is initialized */
static int *default_h_errno_location(void)
{
static int static_h_errno;
return &static_h_errno;
}
/* errno once threading is working */
static int *thread_errno_location(void)
{
return &NtCurrentTeb()->thread_errno;
}
/* h_errno once threading is working */
static int *thread_h_errno_location(void)
{
return &NtCurrentTeb()->thread_h_errno;
}
static int* (*errno_location_ptr)(void) = default_errno_location;
static int* (*h_errno_location_ptr)(void) = default_h_errno_location;
static int (*libc_uselocale)(int set);
static int *libc_multiple_threads;
/***********************************************************************
* __errno_location/__error/__errno/___errno/__thr_errno
*
* Get the per-thread errno location.
*/
int *__errno_location(void) { return errno_location_ptr(); } /* Linux */
int *__error(void) { return errno_location_ptr(); } /* FreeBSD */
int *__errno(void) { return errno_location_ptr(); } /* NetBSD */
int *___errno(void) { return errno_location_ptr(); } /* Solaris */
int *__thr_errno(void) { return errno_location_ptr(); } /* UnixWare */
int *__errno_location(void) /* Linux */
{
pthread_descr descr = __pthread_thread_self();
return &descr->thread_errno;
}
int *__error(void) { return __errno_location(); } /* FreeBSD */
int *__errno(void) { return __errno_location(); } /* NetBSD */
int *___errno(void) { return __errno_location(); } /* Solaris */
int *__thr_errno(void) { return __errno_location(); } /* UnixWare */
/***********************************************************************
* __h_errno_location
@ -106,7 +119,66 @@ int *__thr_errno(void) { return errno_location_ptr(); } /* UnixWare */
*/
int *__h_errno_location(void)
{
return h_errno_location_ptr();
pthread_descr descr = __pthread_thread_self();
return &descr->thread_h_errno;
}
static inline void writejump( const char *symbol, void *dest )
{
#if defined(__GLIBC__) && defined(__i386__)
unsigned char *addr = dlsym( RTLD_NEXT, symbol );
if (!addr) return;
/* write a relative jump at the function address */
mprotect((void*)((unsigned int)addr & ~(getpagesize()-1)), 5, PROT_READ|PROT_EXEC|PROT_WRITE);
addr[0] = 0xe9;
*(int *)(addr+1) = (unsigned char *)dest - (addr + 5);
mprotect((void*)((unsigned int)addr & ~(getpagesize()-1)), 5, PROT_READ|PROT_EXEC);
# ifdef HAVE_VALGRIND_MEMCHECK_H
VALGRIND_DISCARD_TRANSLATIONS( addr, 5 );
# endif
#endif /* __GLIBC__ && __i386__ */
}
/***********************************************************************
* wine_pthread_init_process
*
* Initialization for a newly created process.
*/
void wine_pthread_init_process( const struct wine_pthread_functions *functions )
{
memcpy( &funcs, functions, sizeof(funcs) );
funcs.ptr_set_thread_data( &initial_descr );
initial_descr.cancel_state = PTHREAD_CANCEL_ENABLE;
initial_descr.cancel_type = PTHREAD_CANCEL_ASYNCHRONOUS;
writejump( "__errno_location", __errno_location );
writejump( "__h_errno_location", __h_errno_location );
writejump( "__res_state", __res_state );
if (libc_uselocale) libc_uselocale( -1 /*LC_GLOBAL_LOCALE*/ );
}
/***********************************************************************
* wine_pthread_init_thread
*
* Initialization for a newly created thread.
*/
void wine_pthread_init_thread(void)
{
if (funcs.ptr_set_thread_data)
{
struct pthread_descr_struct *descr = calloc( 1, sizeof(*descr) );
funcs.ptr_set_thread_data( descr );
descr->cancel_state = PTHREAD_CANCEL_ENABLE;
descr->cancel_type = PTHREAD_CANCEL_ASYNCHRONOUS;
if (libc_multiple_threads) *libc_multiple_threads = 1;
if (libc_uselocale) libc_uselocale( -1 /*LC_GLOBAL_LOCALE*/ );
}
/* else it's the first thread, init will be done in wine_pthread_init_process */
}
@ -123,45 +195,14 @@ int *__h_errno_location(void)
#endif
#include <pthread.h>
#include <signal.h>
#define P_OUTPUT(stuff) write(2,stuff,strlen(stuff))
#define PSTR(str) __ASM_NAME(#str)
/* adapt as necessary (a construct like this is used in glibc sources) */
#define strong_alias(orig, alias) \
asm(".globl " PSTR(alias) "\n" \
"\t.set " PSTR(alias) "," PSTR(orig))
/* thread descriptor */
#define FIRST_KEY 0
#define MAX_KEYS 16 /* libc6 doesn't use that many, but... */
#define MAX_TSD 16
struct fork_block;
struct pthread_descr_struct
{
char dummy[2048];
struct __res_state res_state;
const void *key_data[MAX_KEYS]; /* for normal pthread keys */
const void *tsd_data[MAX_TSD]; /* for libc internal tsd variables */
};
typedef struct pthread_descr_struct *pthread_descr;
static struct pthread_descr_struct initial_descr;
pthread_descr __pthread_thread_self(void)
{
struct pthread_descr_struct *descr = NtCurrentTeb()->pthread_data;
if (!descr) return &initial_descr;
return descr;
}
strong_alias(__pthread_thread_self, pthread_thread_self);
/* pthread functions redirection */
struct pthread_functions
@ -210,19 +251,13 @@ struct pthread_functions
int (*ptr_pthread_raise) (int sig);
};
static struct pthread_functions wine_pthread_functions;
static int init_done;
static pid_t (*libc_fork)(void);
static int (*libc_sigaction)(int signum, const struct sigaction *act, struct sigaction *oldact);
static int (*libc_uselocale)(int set);
static int *(*libc_pthread_init)( const struct pthread_functions *funcs );
static int *libc_multiple_threads;
void PTHREAD_init_done(void)
{
init_done = 1;
}
static struct pthread_functions libc_pthread_functions;
strong_alias(__pthread_thread_self, pthread_thread_self);
struct __res_state *__res_state(void)
{
@ -230,164 +265,40 @@ struct __res_state *__res_state(void)
return &descr->res_state;
}
static inline void writejump( const char *symbol, void *dest )
{
#if defined(__GLIBC__) && defined(__i386__)
unsigned char *addr = dlsym( RTLD_NEXT, symbol );
if (!addr) return;
/* write a relative jump at the function address */
mprotect((void*)((unsigned int)addr & ~(getpagesize()-1)), 5, PROT_READ|PROT_EXEC|PROT_WRITE);
addr[0] = 0xe9;
*(int *)(addr+1) = (unsigned char *)dest - (addr + 5);
mprotect((void*)((unsigned int)addr & ~(getpagesize()-1)), 5, PROT_READ|PROT_EXEC);
# ifdef HAVE_VALGRIND_MEMCHECK_H
VALGRIND_DISCARD_TRANSLATIONS( addr, 5 );
# endif
#endif /* __GLIBC__ && __i386__ */
}
/***********************************************************************
* PTHREAD_init_thread
*
* Initialization for a newly created thread.
*/
void PTHREAD_init_thread(void)
{
static int first = 1;
if (first)
{
first = 0;
NtCurrentTeb()->pthread_data = &initial_descr;
errno_location_ptr = thread_errno_location;
h_errno_location_ptr = thread_h_errno_location;
libc_fork = dlsym( RTLD_NEXT, "fork" );
libc_sigaction = dlsym( RTLD_NEXT, "sigaction" );
libc_uselocale = dlsym( RTLD_NEXT, "uselocale" );
libc_pthread_init = dlsym( RTLD_NEXT, "__libc_pthread_init" );
if (libc_pthread_init) libc_multiple_threads = libc_pthread_init( &wine_pthread_functions );
writejump( "__errno_location", thread_errno_location );
writejump( "__h_errno_location", thread_h_errno_location );
writejump( "__res_state", __res_state );
}
else
{
struct pthread_descr_struct *descr = calloc( 1, sizeof(*descr) );
NtCurrentTeb()->pthread_data = descr;
if (libc_multiple_threads) *libc_multiple_threads = 1;
}
if (libc_uselocale) libc_uselocale( -1 /*LC_GLOBAL_LOCALE*/ );
}
/* redefine this to prevent libpthread from overriding our function pointers */
int *__libc_pthread_init( const struct pthread_functions *funcs )
{
return libc_multiple_threads;
}
/* NOTE: This is a truly extremely incredibly ugly hack!
* But it does seem to work... */
/* assume that pthread_mutex_t has room for at least one pointer,
* and hope that the users of pthread_mutex_t considers it opaque
* (never checks what's in it)
* also: assume that static initializer sets pointer to NULL
*/
typedef struct
{
#ifdef __GLIBC__
int reserved;
#endif
CRITICAL_SECTION *critsect;
} *wine_mutex;
/* see wine_mutex above for comments */
typedef struct {
RTL_RWLOCK *lock;
} *wine_rwlock;
typedef struct _wine_cleanup {
void (*routine)(void *);
void *arg;
} *wine_cleanup;
void __pthread_initialize(void)
{
}
struct pthread_thread_init {
void* (*start_routine)(void*);
void* arg;
};
static DWORD CALLBACK pthread_thread_start(LPVOID data)
{
struct pthread_thread_init init = *(struct pthread_thread_init*)data;
HeapFree(GetProcessHeap(),0,data);
return (DWORD)init.start_routine(init.arg);
}
int pthread_create(pthread_t* thread, const pthread_attr_t* attr, void*
(*start_routine)(void *), void* arg)
{
HANDLE hThread;
struct pthread_thread_init* idata = HeapAlloc(GetProcessHeap(), 0,
sizeof(struct pthread_thread_init));
idata->start_routine = start_routine;
idata->arg = arg;
hThread = CreateThread( NULL, 0, pthread_thread_start, idata, 0,
(LPDWORD)thread);
if(hThread)
CloseHandle(hThread);
else
{
HeapFree(GetProcessHeap(),0,idata); /* free idata struct on failure */
return EAGAIN;
}
return 0;
assert( funcs.ptr_pthread_create );
return funcs.ptr_pthread_create( thread, attr, start_routine, arg );
}
int pthread_cancel(pthread_t thread)
{
HANDLE hThread = OpenThread(THREAD_ALL_ACCESS, FALSE, (DWORD)thread);
if(!TerminateThread(hThread, 0))
{
CloseHandle(hThread);
return EINVAL; /* return error */
}
CloseHandle(hThread);
return 0; /* return success */
assert( funcs.ptr_pthread_cancel );
return funcs.ptr_pthread_cancel( thread );
}
int pthread_join(pthread_t thread, void **value_ptr)
{
HANDLE hThread = OpenThread(THREAD_ALL_ACCESS, FALSE, (DWORD)thread);
WaitForSingleObject(hThread, INFINITE);
if(!GetExitCodeThread(hThread, (LPDWORD)value_ptr))
{
CloseHandle(hThread);
return EINVAL; /* FIXME: make this more correctly match */
} /* windows errors */
CloseHandle(hThread);
return 0;
assert( funcs.ptr_pthread_join );
return funcs.ptr_pthread_join( thread, value_ptr );
}
/*FIXME: not sure what to do with this one... */
int pthread_detach(pthread_t thread)
{
P_OUTPUT("FIXME:pthread_detach\n");
return 0;
assert( funcs.ptr_pthread_detach );
return funcs.ptr_pthread_detach( thread );
}
/* FIXME: we have no equivalents in win32 for the policys */
@ -413,15 +324,21 @@ int pthread_attr_setschedparam(pthread_attr_t *attr,
return 0; /* return success */
}
/* FIXME */
int pthread_attr_setstack(pthread_attr_t *attr, void *addr, size_t size)
{
return 0; /* return success */
}
int __pthread_once(pthread_once_t *once_control, void (*init_routine)(void))
{
static pthread_once_t the_once = PTHREAD_ONCE_INIT;
LONG once_now;
static pthread_once_t the_once = PTHREAD_ONCE_INIT;
long once_now;
memcpy(&once_now,&the_once,sizeof(once_now));
if (InterlockedCompareExchange((LONG*)once_control, once_now+1, once_now) == once_now)
(*init_routine)();
return 0;
memcpy(&once_now,&the_once,sizeof(once_now));
if (interlocked_cmpxchg((long*)once_control, once_now+1, once_now) == once_now)
(*init_routine)();
return 0;
}
strong_alias(__pthread_once, pthread_once);
@ -435,14 +352,7 @@ strong_alias(__pthread_kill_other_threads_np, pthread_kill_other_threads_np);
#define MAX_ATFORK 8 /* libc doesn't need that many anyway */
static CRITICAL_SECTION atfork_section;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &atfork_section,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { 0, (DWORD)(__FILE__ ": atfork_section") }
};
static CRITICAL_SECTION atfork_section = { &critsect_debug, -1, 0, 0, 0, 0 };
static pthread_mutex_t atfork_mutex = PTHREAD_MUTEX_INITIALIZER;
typedef void (*atfork_handler)();
static atfork_handler atfork_prepare[MAX_ATFORK];
@ -450,17 +360,15 @@ static atfork_handler atfork_parent[MAX_ATFORK];
static atfork_handler atfork_child[MAX_ATFORK];
static int atfork_count;
int __pthread_atfork(void (*prepare)(void),
void (*parent)(void),
void (*child)(void))
int __pthread_atfork(void (*prepare)(void), void (*parent)(void), void (*child)(void))
{
if (init_done) RtlEnterCriticalSection( &atfork_section );
pthread_mutex_lock( &atfork_mutex );
assert( atfork_count < MAX_ATFORK );
atfork_prepare[atfork_count] = prepare;
atfork_parent[atfork_count] = parent;
atfork_child[atfork_count] = child;
atfork_count++;
if (init_done) RtlLeaveCriticalSection( &atfork_section );
pthread_mutex_unlock( &atfork_mutex );
return 0;
}
strong_alias(__pthread_atfork, pthread_atfork);
@ -475,18 +383,18 @@ pid_t __fork(void)
libc_fork = dlsym( RTLD_NEXT, "fork" );
assert( libc_fork );
}
RtlEnterCriticalSection( &atfork_section );
pthread_mutex_lock( &atfork_mutex );
/* prepare handlers are called in reverse insertion order */
for (i = atfork_count - 1; i >= 0; i--) if (atfork_prepare[i]) atfork_prepare[i]();
if (!(pid = libc_fork()))
{
RtlInitializeCriticalSection( &atfork_section );
pthread_mutex_init( &atfork_mutex, NULL );
for (i = 0; i < atfork_count; i++) if (atfork_child[i]) atfork_child[i]();
}
else
{
for (i = 0; i < atfork_count; i++) if (atfork_parent[i]) atfork_parent[i]();
RtlLeaveCriticalSection( &atfork_section );
pthread_mutex_unlock( &atfork_mutex );
}
return pid;
}
@ -494,80 +402,38 @@ strong_alias(__fork, fork);
/***** MUTEXES *****/
int __pthread_mutex_init(pthread_mutex_t *mutex,
const pthread_mutexattr_t *mutexattr)
int __pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexattr)
{
/* glibc has a tendency to initialize mutexes very often, even
in situations where they are not really used later on.
As for us, initializing a mutex is very expensive, we postpone
the real initialization until the time the mutex is first used. */
((wine_mutex)mutex)->critsect = NULL;
return 0;
if (!funcs.ptr_pthread_mutex_init) return 0;
return funcs.ptr_pthread_mutex_init( mutex, mutexattr );
}
strong_alias(__pthread_mutex_init, pthread_mutex_init);
static void mutex_real_init( pthread_mutex_t *mutex )
{
CRITICAL_SECTION *critsect = HeapAlloc(GetProcessHeap(), 0, sizeof(CRITICAL_SECTION));
RtlInitializeCriticalSection(critsect);
if (InterlockedCompareExchangePointer((void**)&(((wine_mutex)mutex)->critsect),critsect,NULL) != NULL) {
/* too late, some other thread already did it */
RtlDeleteCriticalSection(critsect);
HeapFree(GetProcessHeap(), 0, critsect);
}
}
int __pthread_mutex_lock(pthread_mutex_t *mutex)
{
if (!init_done) return 0;
if (!((wine_mutex)mutex)->critsect)
mutex_real_init( mutex );
RtlEnterCriticalSection(((wine_mutex)mutex)->critsect);
return 0;
if (!funcs.ptr_pthread_mutex_lock) return 0;
return funcs.ptr_pthread_mutex_lock( mutex );
}
strong_alias(__pthread_mutex_lock, pthread_mutex_lock);
int __pthread_mutex_trylock(pthread_mutex_t *mutex)
{
if (!init_done) return 0;
if (!((wine_mutex)mutex)->critsect)
mutex_real_init( mutex );
if (!RtlTryEnterCriticalSection(((wine_mutex)mutex)->critsect)) {
errno = EBUSY;
return -1;
}
return 0;
if (!funcs.ptr_pthread_mutex_trylock) return 0;
return funcs.ptr_pthread_mutex_trylock( mutex );
}
strong_alias(__pthread_mutex_trylock, pthread_mutex_trylock);
int __pthread_mutex_unlock(pthread_mutex_t *mutex)
{
if (!((wine_mutex)mutex)->critsect) return 0;
RtlLeaveCriticalSection(((wine_mutex)mutex)->critsect);
return 0;
if (!funcs.ptr_pthread_mutex_unlock) return 0;
return funcs.ptr_pthread_mutex_unlock( mutex );
}
strong_alias(__pthread_mutex_unlock, pthread_mutex_unlock);
int __pthread_mutex_destroy(pthread_mutex_t *mutex)
{
if (!((wine_mutex)mutex)->critsect) return 0;
if (((wine_mutex)mutex)->critsect->RecursionCount) {
#if 0 /* there seems to be a bug in libc6 that makes this a bad idea */
return EBUSY;
#else
while (((wine_mutex)mutex)->critsect->RecursionCount)
RtlLeaveCriticalSection(((wine_mutex)mutex)->critsect);
#endif
}
RtlDeleteCriticalSection(((wine_mutex)mutex)->critsect);
HeapFree(GetProcessHeap(), 0, ((wine_mutex)mutex)->critsect);
((wine_mutex)mutex)->critsect = NULL;
return 0;
if (!funcs.ptr_pthread_mutex_destroy) return 0;
return funcs.ptr_pthread_mutex_destroy( mutex );
}
strong_alias(__pthread_mutex_destroy, pthread_mutex_destroy);
@ -618,9 +484,9 @@ strong_alias(__pthread_mutexattr_gettype, pthread_mutexattr_gettype);
int __pthread_key_create(pthread_key_t *key, void (*destr_function)(void *))
{
static LONG keycnt = FIRST_KEY;
*key = InterlockedExchangeAdd(&keycnt, 1);
return 0;
static long keycnt = FIRST_KEY;
*key = interlocked_xchg_add(&keycnt, 1);
return 0;
}
strong_alias(__pthread_key_create, pthread_key_create);
@ -645,26 +511,27 @@ void *__pthread_getspecific(pthread_key_t key)
}
strong_alias(__pthread_getspecific, pthread_getspecific);
/* these are not exported, they are only used in the pthread_functions structure */
static int pthread_internal_tsd_set( int key, const void *pointer )
{
pthread_descr descr = __pthread_thread_self();
descr->tsd_data[key] = pointer;
return 0;
}
int (*__libc_internal_tsd_set)(int, const void *) = pthread_internal_tsd_set;
static void *pthread_internal_tsd_get( int key )
{
pthread_descr descr = __pthread_thread_self();
return (void *)descr->tsd_data[key];
}
void* (*__libc_internal_tsd_get)(int) = pthread_internal_tsd_get;
static void ** __attribute__((const)) pthread_internal_tsd_address( int key )
{
pthread_descr descr = __pthread_thread_self();
return (void **)&descr->tsd_data[key];
}
void** (*__libc_internal_tsd_address)(int) = pthread_internal_tsd_address;
/***** "EXCEPTION" FRAMES *****/
/* not implemented right now */
@ -753,94 +620,54 @@ int pthread_condattr_destroy(pthread_condattr_t *attr)
return 0;
}
#if (__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 2)
/***** READ-WRITE LOCKS *****/
static void rwlock_real_init(pthread_rwlock_t *rwlock)
{
RTL_RWLOCK *lock = HeapAlloc(GetProcessHeap(), 0, sizeof(RTL_RWLOCK));
RtlInitializeResource(lock);
if (InterlockedCompareExchangePointer((void**)&(((wine_rwlock)rwlock)->lock),lock,NULL) != NULL) {
/* too late, some other thread already did it */
RtlDeleteResource(lock);
HeapFree(GetProcessHeap(), 0, lock);
}
}
int __pthread_rwlock_init(pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *rwlock_attr)
{
((wine_rwlock)rwlock)->lock = NULL;
return 0;
assert( funcs.ptr_pthread_rwlock_init );
return funcs.ptr_pthread_rwlock_init( rwlock, rwlock_attr );
}
strong_alias(__pthread_rwlock_init, pthread_rwlock_init);
int __pthread_rwlock_destroy(pthread_rwlock_t *rwlock)
{
if (!((wine_rwlock)rwlock)->lock) return 0;
RtlDeleteResource(((wine_rwlock)rwlock)->lock);
HeapFree(GetProcessHeap(), 0, ((wine_rwlock)rwlock)->lock);
return 0;
assert( funcs.ptr_pthread_rwlock_destroy );
return funcs.ptr_pthread_rwlock_destroy( rwlock );
}
strong_alias(__pthread_rwlock_destroy, pthread_rwlock_destroy);
int __pthread_rwlock_rdlock(pthread_rwlock_t *rwlock)
{
if (!init_done) return 0;
if (!((wine_rwlock)rwlock)->lock)
rwlock_real_init( rwlock );
while(TRUE)
if (RtlAcquireResourceShared(((wine_rwlock)rwlock)->lock, TRUE))
return 0;
if (!funcs.ptr_pthread_rwlock_rdlock) return 0;
return funcs.ptr_pthread_rwlock_rdlock( rwlock );
}
strong_alias(__pthread_rwlock_rdlock, pthread_rwlock_rdlock);
int __pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlock)
{
if (!init_done) return 0;
if (!((wine_rwlock)rwlock)->lock)
rwlock_real_init( rwlock );
if (!RtlAcquireResourceShared(((wine_rwlock)rwlock)->lock, FALSE)) {
errno = EBUSY;
return -1;
}
return 0;
assert( funcs.ptr_pthread_rwlock_tryrdlock );
return funcs.ptr_pthread_rwlock_tryrdlock( rwlock );
}
strong_alias(__pthread_rwlock_tryrdlock, pthread_rwlock_tryrdlock);
int __pthread_rwlock_wrlock(pthread_rwlock_t *rwlock)
{
if (!init_done) return 0;
if (!((wine_rwlock)rwlock)->lock)
rwlock_real_init( rwlock );
while(TRUE)
if (RtlAcquireResourceExclusive(((wine_rwlock)rwlock)->lock, TRUE))
return 0;
assert( funcs.ptr_pthread_rwlock_wrlock );
return funcs.ptr_pthread_rwlock_wrlock( rwlock );
}
strong_alias(__pthread_rwlock_wrlock, pthread_rwlock_wrlock);
int __pthread_rwlock_trywrlock(pthread_rwlock_t *rwlock)
{
if (!init_done) return 0;
if (!((wine_rwlock)rwlock)->lock)
rwlock_real_init( rwlock );
if (!RtlAcquireResourceExclusive(((wine_rwlock)rwlock)->lock, FALSE)) {
errno = EBUSY;
return -1;
}
return 0;
assert( funcs.ptr_pthread_rwlock_trywrlock );
return funcs.ptr_pthread_rwlock_trywrlock( rwlock );
}
strong_alias(__pthread_rwlock_trywrlock, pthread_rwlock_trywrlock);
int __pthread_rwlock_unlock(pthread_rwlock_t *rwlock)
{
if (!((wine_rwlock)rwlock)->lock) return 0;
RtlReleaseResource( ((wine_rwlock)rwlock)->lock );
return 0;
assert( funcs.ptr_pthread_rwlock_unlock );
return funcs.ptr_pthread_rwlock_unlock( rwlock );
}
strong_alias(__pthread_rwlock_unlock, pthread_rwlock_unlock);
@ -868,24 +695,25 @@ int pthread_rwlockattr_setkind_np(pthread_rwlockattr_t *attr, int pref)
{
return 0;
}
#endif /* glibc 2.2 */
/***** MISC *****/
pthread_t pthread_self(void)
{
return (pthread_t)GetCurrentThreadId();
assert( funcs.ptr_pthread_self );
return funcs.ptr_pthread_self();
}
int pthread_equal(pthread_t thread1, pthread_t thread2)
{
return (DWORD)thread1 == (DWORD)thread2;
assert( funcs.ptr_pthread_equal );
return funcs.ptr_pthread_equal( thread1, thread2 );
}
void __pthread_do_exit(void *retval, char *currentframe)
{
/* FIXME: pthread cleanup */
ExitThread((DWORD)retval);
assert( funcs.ptr_pthread_exit );
return funcs.ptr_pthread_exit( retval, currentframe );
}
void __pthread_exit(void *retval)
@ -894,10 +722,20 @@ void __pthread_exit(void *retval)
}
strong_alias(__pthread_exit, pthread_exit);
int pthread_setcancelstate(int state, int *oldstate)
{
pthread_descr descr = __pthread_thread_self();
if (oldstate) *oldstate = descr->cancel_state;
descr->cancel_state = state;
return 0;
}
int pthread_setcanceltype(int type, int *oldtype)
{
if (oldtype) *oldtype = PTHREAD_CANCEL_ASYNCHRONOUS;
return 0;
pthread_descr descr = __pthread_thread_self();
if (oldtype) *oldtype = descr->cancel_type;
descr->cancel_type = type;
return 0;
}
/***** ANTI-OVERRIDES *****/
@ -913,7 +751,23 @@ int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact)
return libc_sigaction(signum, act, oldact);
}
static struct pthread_functions wine_pthread_functions =
void __pthread_initialize(void)
{
static int done;
if (!done)
{
done = 1;
libc_fork = dlsym( RTLD_NEXT, "fork" );
libc_sigaction = dlsym( RTLD_NEXT, "sigaction" );
libc_uselocale = dlsym( RTLD_NEXT, "uselocale" );
libc_pthread_init = dlsym( RTLD_NEXT, "__libc_pthread_init" );
if (libc_pthread_init) libc_multiple_threads = libc_pthread_init( &libc_pthread_functions );
}
}
DECL_GLOBAL_CONSTRUCTOR(init) { __pthread_initialize(); }
static struct pthread_functions libc_pthread_functions =
{
NULL, /* ptr_pthread_fork */
NULL, /* FIXME */ /* ptr_pthread_attr_destroy */
@ -946,7 +800,7 @@ static struct pthread_functions wine_pthread_functions =
__pthread_mutex_trylock, /* ptr_pthread_mutex_trylock */
__pthread_mutex_unlock, /* ptr_pthread_mutex_unlock */
pthread_self, /* ptr_pthread_self */
NULL, /* FIXME */ /* ptr_pthread_setcancelstate */
pthread_setcancelstate, /* ptr_pthread_setcancelstate */
pthread_setcanceltype, /* ptr_pthread_setcanceltype */
__pthread_do_exit, /* ptr_pthread_do_exit */
__pthread_cleanup_upto, /* ptr_pthread_cleanup_upto */
@ -959,16 +813,15 @@ static struct pthread_functions wine_pthread_functions =
NULL /* ptr_pthread_raise */
};
#else /* __GLIBC__ || __FREEBSD__ */
void PTHREAD_init_thread(void) { }
void PTHREAD_init_done(void) { }
#endif /* __GLIBC__ || __FREEBSD__ */
#else /* HAVE_NPTL */
void PTHREAD_init_done(void)
void wine_pthread_init_process( const struct wine_pthread_functions *functions )
{
}
void wine_pthread_init_thread(void)
{
}