Sweden-Number/dlls/ntdll/sync.c

258 lines
7.0 KiB
C

/*
* Process synchronisation
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "debugtools.h"
#include "winerror.h"
#include "wine/unicode.h"
#include "server.h"
#include "ntddk.h"
#include "ntdll_misc.h"
DEFAULT_DEBUG_CHANNEL(ntdll);
/*
* Semaphores
*/
/******************************************************************************
* NtCreateSemaphore
*/
NTSTATUS WINAPI NtCreateSemaphore( OUT PHANDLE SemaphoreHandle,
IN ACCESS_MASK access,
IN const OBJECT_ATTRIBUTES *attr OPTIONAL,
IN ULONG InitialCount,
IN ULONG MaximumCount )
{
DWORD len = attr && attr->ObjectName ? attr->ObjectName->Length : 0;
NTSTATUS ret;
if ((MaximumCount <= 0) || (InitialCount < 0) || (InitialCount > MaximumCount))
return STATUS_INVALID_PARAMETER;
*SemaphoreHandle = 0;
SERVER_START_REQ
{
struct create_semaphore_request *req = server_alloc_req( sizeof(*req), len );
req->initial = InitialCount;
req->max = MaximumCount;
req->inherit = attr && (attr->Attributes & OBJ_INHERIT);
if (len) memcpy( server_data_ptr(req), attr->ObjectName->Buffer, len );
if (!(ret = server_call_noerr( REQ_CREATE_SEMAPHORE )))
*SemaphoreHandle = req->handle;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtOpenSemaphore
*/
NTSTATUS WINAPI NtOpenSemaphore( OUT PHANDLE SemaphoreHandle,
IN ACCESS_MASK access,
IN const OBJECT_ATTRIBUTES *attr )
{
DWORD len = attr && attr->ObjectName ? attr->ObjectName->Length : 0;
NTSTATUS ret;
*SemaphoreHandle = 0;
SERVER_START_REQ
{
struct open_semaphore_request *req = server_alloc_req( sizeof(*req), len );
req->access = access;
req->inherit = attr && (attr->Attributes & OBJ_INHERIT);
if (len) memcpy( server_data_ptr(req), attr->ObjectName->Buffer, len );
if (!(ret = server_call_noerr( REQ_OPEN_SEMAPHORE )))
*SemaphoreHandle = req->handle;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtQuerySemaphore
*/
NTSTATUS WINAPI NtQuerySemaphore(
HANDLE SemaphoreHandle,
PVOID SemaphoreInformationClass,
OUT PVOID SemaphoreInformation,
ULONG Length,
PULONG ReturnLength)
{
FIXME("(0x%08x,%p,%p,0x%08lx,%p) stub!\n",
SemaphoreHandle, SemaphoreInformationClass, SemaphoreInformation, Length, ReturnLength);
return STATUS_SUCCESS;
}
/******************************************************************************
* NtReleaseSemaphore
*/
NTSTATUS WINAPI NtReleaseSemaphore( HANDLE handle, ULONG count, PULONG previous )
{
NTSTATUS ret;
SERVER_START_REQ
{
struct release_semaphore_request *req = server_alloc_req( sizeof(*req), 0 );
req->handle = handle;
req->count = count;
if (!(ret = server_call_noerr( REQ_RELEASE_SEMAPHORE )))
{
if (previous) *previous = req->prev_count;
}
}
SERVER_END_REQ;
return ret;
}
/*
* Events
*/
/**************************************************************************
* NtCreateEvent
*/
NTSTATUS WINAPI NtCreateEvent(
OUT PHANDLE EventHandle,
IN ACCESS_MASK DesiredAccess,
IN const OBJECT_ATTRIBUTES *attr,
IN BOOLEAN ManualReset,
IN BOOLEAN InitialState)
{
DWORD len = attr && attr->ObjectName ? attr->ObjectName->Length : 0;
NTSTATUS ret;
*EventHandle = 0;
SERVER_START_REQ
{
struct create_event_request *req = server_alloc_req( sizeof(*req), len );
req->manual_reset = ManualReset;
req->initial_state = InitialState;
req->inherit = attr && (attr->Attributes & OBJ_INHERIT);
if (len) memcpy( server_data_ptr(req), attr->ObjectName->Buffer, len );
if (!(ret = server_call_noerr( REQ_CREATE_EVENT ))) *EventHandle = req->handle;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtOpenEvent
*/
NTSTATUS WINAPI NtOpenEvent(
OUT PHANDLE EventHandle,
IN ACCESS_MASK DesiredAccess,
IN const OBJECT_ATTRIBUTES *attr )
{
DWORD len = attr && attr->ObjectName ? attr->ObjectName->Length : 0;
NTSTATUS ret;
*EventHandle = 0;
SERVER_START_REQ
{
struct open_event_request *req = server_alloc_req( sizeof(*req), len );
req->access = DesiredAccess;
req->inherit = attr && (attr->Attributes & OBJ_INHERIT);
if (len) memcpy( server_data_ptr(req), attr->ObjectName->Buffer, len );
if (!(ret = server_call_noerr( REQ_OPEN_EVENT ))) *EventHandle = req->handle;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtSetEvent
*/
NTSTATUS WINAPI NtSetEvent( HANDLE handle, PULONG NumberOfThreadsReleased )
{
NTSTATUS ret;
FIXME("(0x%08x,%p)\n", handle, NumberOfThreadsReleased);
SERVER_START_REQ
{
struct event_op_request *req = server_alloc_req( sizeof(*req), 0 );
req->handle = handle;
req->op = SET_EVENT;
ret = server_call_noerr( REQ_EVENT_OP );
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtResetEvent
*/
NTSTATUS WINAPI NtResetEvent( HANDLE handle, PULONG NumberOfThreadsReleased )
{
NTSTATUS ret;
/* resetting an event can't release any thread... */
if (NumberOfThreadsReleased) *NumberOfThreadsReleased = 0;
SERVER_START_REQ
{
struct event_op_request *req = server_alloc_req( sizeof(*req), 0 );
req->handle = handle;
req->op = RESET_EVENT;
ret = server_call_noerr( REQ_EVENT_OP );
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtClearEvent
*
* FIXME
* same as NtResetEvent ???
*/
NTSTATUS WINAPI NtClearEvent ( HANDLE handle )
{
return NtResetEvent( handle, NULL );
}
/******************************************************************************
* NtPulseEvent
*
* FIXME
* PulseCount
*/
NTSTATUS WINAPI NtPulseEvent( HANDLE handle, PULONG PulseCount )
{
NTSTATUS ret;
FIXME("(0x%08x,%p)\n", handle, PulseCount);
SERVER_START_REQ
{
struct event_op_request *req = server_alloc_req( sizeof(*req), 0 );
req->handle = handle;
req->op = PULSE_EVENT;
ret = server_call_noerr( REQ_EVENT_OP );
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtQueryEvent
*/
NTSTATUS WINAPI NtQueryEvent (
IN HANDLE EventHandle,
IN UINT EventInformationClass,
OUT PVOID EventInformation,
IN ULONG EventInformationLength,
OUT PULONG ReturnLength)
{
FIXME("(0x%08x)\n", EventHandle);
return STATUS_SUCCESS;
}