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ntdll: Use a pthread mutex for the wait on address section. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2020-07-13 18:48:21 +02:00
parent 85db4f7ec2
commit 052e8dbf59
3 changed files with 14 additions and 21 deletions
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8
dlls/ntdll/unix/server.c
View File

@ -590,7 +590,7 @@ static void invoke_system_apc( const apc_call_t *call, apc_result_t *result )
* server_select
*/
unsigned int server_select( const select_op_t *select_op, data_size_t size, UINT flags,
timeout_t abs_timeout, CONTEXT *context, RTL_CRITICAL_SECTION *cs,
timeout_t abs_timeout, CONTEXT *context, pthread_mutex_t *mutex,
user_apc_t *user_apc )
{
unsigned int ret;
@ -649,10 +649,10 @@ unsigned int server_select( const select_op_t *select_op, data_size_t size, UINT
size = offsetof( select_op_t, signal_and_wait.signal );
}
pthread_sigmask( SIG_SETMASK, &old_set, NULL );
if (cs)
if (mutex)
{
RtlLeaveCriticalSection( cs );
cs = NULL;
pthread_mutex_unlock( mutex );
mutex = NULL;
}
if (ret != STATUS_PENDING) break;

25
dlls/ntdll/unix/sync.c
View File

@ -78,15 +78,7 @@ HANDLE keyed_event = 0;
static const LARGE_INTEGER zero_timeout;
static RTL_CRITICAL_SECTION addr_section;
static RTL_CRITICAL_SECTION_DEBUG addr_section_debug =
{
0, 0, &addr_section,
{ &addr_section_debug.ProcessLocksList, &addr_section_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": addr_section") }
};
static RTL_CRITICAL_SECTION addr_section = { &addr_section_debug, -1, 0, 0, 0, 0 };
static pthread_mutex_t addr_mutex = PTHREAD_MUTEX_INITIALIZER;
/* return a monotonic time counter, in Win32 ticks */
static inline ULONGLONG monotonic_counter(void)
@ -2253,10 +2245,10 @@ NTSTATUS WINAPI RtlWaitOnAddress( const void *addr, const void *cmp, SIZE_T size
if ((ret = fast_wait_addr( addr, cmp, size, timeout )) != STATUS_NOT_IMPLEMENTED)
return ret;
RtlEnterCriticalSection( &addr_section );
pthread_mutex_lock( &addr_mutex );
if (!compare_addr( addr, cmp, size ))
{
RtlLeaveCriticalSection( &addr_section );
pthread_mutex_unlock( &addr_mutex );
return STATUS_SUCCESS;
}
@ -2272,7 +2264,8 @@ NTSTATUS WINAPI RtlWaitOnAddress( const void *addr, const void *cmp, SIZE_T size
select_op.keyed_event.handle = wine_server_obj_handle( keyed_event );
select_op.keyed_event.key = wine_server_client_ptr( addr );
return server_select( &select_op, sizeof(select_op.keyed_event), SELECT_INTERRUPTIBLE, abs_timeout, NULL, &addr_section, NULL );
return server_select( &select_op, sizeof(select_op.keyed_event), SELECT_INTERRUPTIBLE,
abs_timeout, NULL, &addr_mutex, NULL );
}
/***********************************************************************
@ -2282,9 +2275,9 @@ void WINAPI RtlWakeAddressAll( const void *addr )
{
if (fast_wake_addr( addr ) != STATUS_NOT_IMPLEMENTED) return;
RtlEnterCriticalSection( &addr_section );
pthread_mutex_lock( &addr_mutex );
while (NtReleaseKeyedEvent( 0, addr, 0, &zero_timeout ) == STATUS_SUCCESS) {}
RtlLeaveCriticalSection( &addr_section );
pthread_mutex_unlock( &addr_mutex );
}
/***********************************************************************
@ -2294,7 +2287,7 @@ void WINAPI RtlWakeAddressSingle( const void *addr )
{
if (fast_wake_addr( addr ) != STATUS_NOT_IMPLEMENTED) return;
RtlEnterCriticalSection( &addr_section );
pthread_mutex_lock( &addr_mutex );
NtReleaseKeyedEvent( 0, addr, 0, &zero_timeout );
RtlLeaveCriticalSection( &addr_section );
pthread_mutex_unlock( &addr_mutex );
}

2
dlls/ntdll/unix/unix_private.h
View File

@ -162,7 +162,7 @@ extern unsigned int server_call_unlocked( void *req_ptr ) DECLSPEC_HIDDEN;
extern void server_enter_uninterrupted_section( pthread_mutex_t *mutex, sigset_t *sigset ) DECLSPEC_HIDDEN;
extern void server_leave_uninterrupted_section( pthread_mutex_t *mutex, sigset_t *sigset ) DECLSPEC_HIDDEN;
extern unsigned int server_select( const select_op_t *select_op, data_size_t size, UINT flags,
timeout_t abs_timeout, CONTEXT *context, RTL_CRITICAL_SECTION *cs,
timeout_t abs_timeout, CONTEXT *context, pthread_mutex_t *mutex,
user_apc_t *user_apc ) DECLSPEC_HIDDEN;
extern unsigned int server_wait( const select_op_t *select_op, data_size_t size, UINT flags,
const LARGE_INTEGER *timeout ) DECLSPEC_HIDDEN;