mirror of
git://source.winehq.org/git/wine.git
synced 2024-08-31 11:04:06 +00:00
671 lines
17 KiB
C
671 lines
17 KiB
C
/*
|
|
* pthread emulation for re-entrant libcs
|
|
*
|
|
* We can't use pthreads directly, so why not let libcs
|
|
* that want pthreads use Wine's own threading instead...
|
|
*
|
|
* Copyright 1999 Ove Kåven
|
|
*
|
|
* 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>
|
|
#ifdef HAVE_UNISTD_H
|
|
# include <unistd.h>
|
|
#endif
|
|
#include <string.h>
|
|
|
|
#include "winbase.h"
|
|
#include "thread.h"
|
|
#include "winternl.h"
|
|
|
|
static int init_done;
|
|
|
|
void PTHREAD_init_done(void)
|
|
{
|
|
init_done = 1;
|
|
}
|
|
|
|
/* Currently this probably works only for glibc2,
|
|
* which checks for the presence of double-underscore-prepended
|
|
* pthread primitives, and use them if available.
|
|
* If they are not available, the libc defaults to
|
|
* non-threadsafe operation (not good). */
|
|
|
|
#if defined(__GLIBC__)
|
|
#include <pthread.h>
|
|
#include <signal.h>
|
|
|
|
#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))
|
|
|
|
/* strong_alias does not work on external symbols (.o format limitation?),
|
|
* so for those, we need to use the pogo stick */
|
|
#if defined(__i386__) && !defined(__PIC__)
|
|
/* FIXME: PIC */
|
|
#define jump_alias(orig, alias) __ASM_GLOBAL_FUNC( alias, "jmp " PSTR(orig))
|
|
#endif
|
|
|
|
/* get necessary libc symbols */
|
|
#if (__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 1) && defined(HAVE___LIBC_FORK)
|
|
#define LIBC_FORK __libc_fork
|
|
#define PTHREAD_FORK __fork
|
|
#define ALIAS_FORK
|
|
#else
|
|
#define LIBC_FORK __fork
|
|
#define PTHREAD_FORK fork
|
|
#endif
|
|
extern pid_t LIBC_FORK(void);
|
|
|
|
#define LIBC_SIGACTION __sigaction
|
|
extern int LIBC_SIGACTION(int signum,
|
|
const struct sigaction *act,
|
|
struct sigaction *oldact);
|
|
|
|
/* 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 {
|
|
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;
|
|
|
|
typedef const void *key_data;
|
|
|
|
#define FIRST_KEY 0
|
|
#define MAX_KEYS 16 /* libc6 doesn't use that many, but... */
|
|
|
|
#define P_OUTPUT(stuff) write(2,stuff,strlen(stuff))
|
|
|
|
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, thread);
|
|
|
|
if(hThread)
|
|
CloseHandle(hThread);
|
|
else
|
|
{
|
|
HeapFree(GetProcessHeap(),0,idata); /* free idata struct on failure */
|
|
return EAGAIN;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int pthread_cancel(pthread_t thread)
|
|
{
|
|
HANDLE hThread = OpenThread(THREAD_ALL_ACCESS, FALSE, thread);
|
|
|
|
if(!TerminateThread(hThread, 0))
|
|
{
|
|
CloseHandle(hThread);
|
|
return EINVAL; /* return error */
|
|
}
|
|
|
|
CloseHandle(hThread);
|
|
|
|
return 0; /* return success */
|
|
}
|
|
|
|
int pthread_join(pthread_t thread, void **value_ptr)
|
|
{
|
|
HANDLE hThread = OpenThread(THREAD_ALL_ACCESS, FALSE, 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... */
|
|
int pthread_detach(pthread_t thread)
|
|
{
|
|
P_OUTPUT("FIXME:pthread_detach\n");
|
|
return 0;
|
|
}
|
|
|
|
/* FIXME: we have no equivalents in win32 for the policys */
|
|
/* so just keep this as a stub */
|
|
int pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy)
|
|
{
|
|
P_OUTPUT("FIXME:pthread_attr_setschedpolicy\n");
|
|
return 0;
|
|
}
|
|
|
|
/* FIXME: no win32 equivalent for scope */
|
|
int pthread_attr_setscope(pthread_attr_t *attr, int scope)
|
|
{
|
|
P_OUTPUT("FIXME:pthread_attr_setscope\n");
|
|
return 0; /* return success */
|
|
}
|
|
|
|
/* FIXME: no win32 equivalent for schedule param */
|
|
int pthread_attr_setschedparam(pthread_attr_t *attr,
|
|
const struct sched_param *param)
|
|
{
|
|
P_OUTPUT("FIXME:pthread_attr_setschedparam\n");
|
|
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 = *(LONG *)&the_once;
|
|
|
|
if (InterlockedCompareExchange((LONG*)once_control, once_now+1, once_now) == once_now)
|
|
(*init_routine)();
|
|
return 0;
|
|
}
|
|
strong_alias(__pthread_once, pthread_once);
|
|
|
|
void __pthread_kill_other_threads_np(void)
|
|
{
|
|
/* we don't need to do anything here */
|
|
}
|
|
strong_alias(__pthread_kill_other_threads_np, pthread_kill_other_threads_np);
|
|
|
|
/***** atfork *****/
|
|
|
|
#define MAX_ATFORK 8 /* libc doesn't need that many anyway */
|
|
|
|
static CRITICAL_SECTION atfork_section = CRITICAL_SECTION_INIT("atfork_section");
|
|
typedef void (*atfork_handler)();
|
|
static atfork_handler atfork_prepare[MAX_ATFORK];
|
|
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))
|
|
{
|
|
if (init_done) EnterCriticalSection( &atfork_section );
|
|
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) LeaveCriticalSection( &atfork_section );
|
|
return 0;
|
|
}
|
|
strong_alias(__pthread_atfork, pthread_atfork);
|
|
|
|
pid_t PTHREAD_FORK(void)
|
|
{
|
|
pid_t pid;
|
|
int i;
|
|
|
|
EnterCriticalSection( &atfork_section );
|
|
/* 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()))
|
|
{
|
|
InitializeCriticalSection( &atfork_section );
|
|
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]();
|
|
LeaveCriticalSection( &atfork_section );
|
|
}
|
|
return pid;
|
|
}
|
|
#ifdef ALIAS_FORK
|
|
strong_alias(PTHREAD_FORK, fork);
|
|
#endif
|
|
|
|
/***** MUTEXES *****/
|
|
|
|
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;
|
|
}
|
|
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));
|
|
InitializeCriticalSection(critsect);
|
|
|
|
if (InterlockedCompareExchangePointer((void**)&(((wine_mutex)mutex)->critsect),critsect,NULL) != NULL) {
|
|
/* too late, some other thread already did it */
|
|
DeleteCriticalSection(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 );
|
|
|
|
EnterCriticalSection(((wine_mutex)mutex)->critsect);
|
|
return 0;
|
|
}
|
|
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 (!TryEnterCriticalSection(((wine_mutex)mutex)->critsect)) {
|
|
errno = EBUSY;
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
strong_alias(__pthread_mutex_trylock, pthread_mutex_trylock);
|
|
|
|
int __pthread_mutex_unlock(pthread_mutex_t *mutex)
|
|
{
|
|
if (!((wine_mutex)mutex)->critsect) return 0;
|
|
LeaveCriticalSection(((wine_mutex)mutex)->critsect);
|
|
return 0;
|
|
}
|
|
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)
|
|
LeaveCriticalSection(((wine_mutex)mutex)->critsect);
|
|
#endif
|
|
}
|
|
DeleteCriticalSection(((wine_mutex)mutex)->critsect);
|
|
HeapFree(GetProcessHeap(), 0, ((wine_mutex)mutex)->critsect);
|
|
return 0;
|
|
}
|
|
strong_alias(__pthread_mutex_destroy, pthread_mutex_destroy);
|
|
|
|
|
|
/***** MUTEX ATTRIBUTES *****/
|
|
/* just dummies, since critical sections are always recursive */
|
|
|
|
int __pthread_mutexattr_init(pthread_mutexattr_t *attr)
|
|
{
|
|
return 0;
|
|
}
|
|
strong_alias(__pthread_mutexattr_init, pthread_mutexattr_init);
|
|
|
|
int __pthread_mutexattr_destroy(pthread_mutexattr_t *attr)
|
|
{
|
|
return 0;
|
|
}
|
|
strong_alias(__pthread_mutexattr_destroy, pthread_mutexattr_destroy);
|
|
|
|
int __pthread_mutexattr_setkind_np(pthread_mutexattr_t *attr, int kind)
|
|
{
|
|
return 0;
|
|
}
|
|
strong_alias(__pthread_mutexattr_setkind_np, pthread_mutexattr_setkind_np);
|
|
|
|
int __pthread_mutexattr_getkind_np(pthread_mutexattr_t *attr, int *kind)
|
|
{
|
|
*kind = PTHREAD_MUTEX_RECURSIVE_NP;
|
|
return 0;
|
|
}
|
|
strong_alias(__pthread_mutexattr_getkind_np, pthread_mutexattr_getkind_np);
|
|
|
|
int __pthread_mutexattr_settype(pthread_mutexattr_t *attr, int kind)
|
|
{
|
|
return 0;
|
|
}
|
|
strong_alias(__pthread_mutexattr_settype, pthread_mutexattr_settype);
|
|
|
|
int __pthread_mutexattr_gettype(pthread_mutexattr_t *attr, int *kind)
|
|
{
|
|
*kind = PTHREAD_MUTEX_RECURSIVE_NP;
|
|
return 0;
|
|
}
|
|
strong_alias(__pthread_mutexattr_gettype, pthread_mutexattr_gettype);
|
|
|
|
|
|
/***** THREAD-SPECIFIC VARIABLES (KEYS) *****/
|
|
|
|
int __pthread_key_create(pthread_key_t *key, void (*destr_function)(void *))
|
|
{
|
|
static LONG keycnt = FIRST_KEY;
|
|
*key = InterlockedExchangeAdd(&keycnt, 1);
|
|
return 0;
|
|
}
|
|
strong_alias(__pthread_key_create, pthread_key_create);
|
|
|
|
int __pthread_key_delete(pthread_key_t key)
|
|
{
|
|
return 0;
|
|
}
|
|
strong_alias(__pthread_key_delete, pthread_key_delete);
|
|
|
|
int __pthread_setspecific(pthread_key_t key, const void *pointer)
|
|
{
|
|
TEB *teb = NtCurrentTeb();
|
|
if (!teb->pthread_data) {
|
|
teb->pthread_data = calloc(MAX_KEYS,sizeof(key_data));
|
|
}
|
|
((key_data*)(teb->pthread_data))[key] = pointer;
|
|
return 0;
|
|
}
|
|
strong_alias(__pthread_setspecific, pthread_setspecific);
|
|
|
|
void *__pthread_getspecific(pthread_key_t key)
|
|
{
|
|
TEB *teb = NtCurrentTeb();
|
|
if (!teb) return NULL;
|
|
if (!teb->pthread_data) return NULL;
|
|
return (void *)(((key_data*)(teb->pthread_data))[key]);
|
|
}
|
|
strong_alias(__pthread_getspecific, pthread_getspecific);
|
|
|
|
|
|
/***** "EXCEPTION" FRAMES *****/
|
|
/* not implemented right now */
|
|
|
|
void _pthread_cleanup_push(struct _pthread_cleanup_buffer *buffer, void (*routine)(void *), void *arg)
|
|
{
|
|
((wine_cleanup)buffer)->routine = routine;
|
|
((wine_cleanup)buffer)->arg = arg;
|
|
}
|
|
|
|
void _pthread_cleanup_pop(struct _pthread_cleanup_buffer *buffer, int execute)
|
|
{
|
|
if (execute) (*(((wine_cleanup)buffer)->routine))(((wine_cleanup)buffer)->arg);
|
|
}
|
|
|
|
void _pthread_cleanup_push_defer(struct _pthread_cleanup_buffer *buffer, void (*routine)(void *), void *arg)
|
|
{
|
|
_pthread_cleanup_push(buffer, routine, arg);
|
|
}
|
|
|
|
void _pthread_cleanup_pop_restore(struct _pthread_cleanup_buffer *buffer, int execute)
|
|
{
|
|
_pthread_cleanup_pop(buffer, execute);
|
|
}
|
|
|
|
|
|
/***** CONDITIONS *****/
|
|
/* not implemented right now */
|
|
|
|
int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *cond_attr)
|
|
{
|
|
P_OUTPUT("FIXME:pthread_cond_init\n");
|
|
return 0;
|
|
}
|
|
|
|
int pthread_cond_destroy(pthread_cond_t *cond)
|
|
{
|
|
P_OUTPUT("FIXME:pthread_cond_destroy\n");
|
|
return 0;
|
|
}
|
|
|
|
int pthread_cond_signal(pthread_cond_t *cond)
|
|
{
|
|
P_OUTPUT("FIXME:pthread_cond_signal\n");
|
|
return 0;
|
|
}
|
|
|
|
int pthread_cond_broadcast(pthread_cond_t *cond)
|
|
{
|
|
P_OUTPUT("FIXME:pthread_cond_broadcast\n");
|
|
return 0;
|
|
}
|
|
|
|
int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
|
|
{
|
|
P_OUTPUT("FIXME:pthread_cond_wait\n");
|
|
return 0;
|
|
}
|
|
|
|
int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, const struct timespec *abstime)
|
|
{
|
|
P_OUTPUT("FIXME:pthread_cond_timedwait\n");
|
|
return 0;
|
|
}
|
|
|
|
/**** CONDITION ATTRIBUTES *****/
|
|
/* not implemented right now */
|
|
|
|
int pthread_condattr_init(pthread_condattr_t *attr)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
}
|
|
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;
|
|
}
|
|
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;
|
|
}
|
|
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;
|
|
}
|
|
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;
|
|
}
|
|
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;
|
|
}
|
|
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;
|
|
}
|
|
strong_alias(__pthread_rwlock_unlock, pthread_rwlock_unlock);
|
|
|
|
/**** READ-WRITE LOCK ATTRIBUTES *****/
|
|
/* not implemented right now */
|
|
|
|
int pthread_rwlockattr_init(pthread_rwlockattr_t *attr)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int __pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr)
|
|
{
|
|
return 0;
|
|
}
|
|
strong_alias(__pthread_rwlockattr_destroy, pthread_rwlockattr_destroy);
|
|
|
|
int pthread_rwlockattr_getkind_np(const pthread_rwlockattr_t *attr, int *pref)
|
|
{
|
|
*pref = 0;
|
|
return 0;
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
int pthread_equal(pthread_t thread1, pthread_t thread2)
|
|
{
|
|
return (DWORD)thread1 == (DWORD)thread2;
|
|
}
|
|
|
|
void pthread_exit(void *retval)
|
|
{
|
|
/* FIXME: pthread cleanup */
|
|
ExitThread((DWORD)retval);
|
|
}
|
|
|
|
int pthread_setcanceltype(int type, int *oldtype)
|
|
{
|
|
if (oldtype) *oldtype = PTHREAD_CANCEL_ASYNCHRONOUS;
|
|
return 0;
|
|
}
|
|
|
|
/***** ANTI-OVERRIDES *****/
|
|
/* pthreads tries to override these, point them back to libc */
|
|
|
|
#ifdef jump_alias
|
|
jump_alias(LIBC_SIGACTION, sigaction);
|
|
#else
|
|
int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact)
|
|
{
|
|
return LIBC_SIGACTION(signum, act, oldact);
|
|
}
|
|
#endif
|
|
|
|
#endif /* __GLIBC__ */
|