| /* |
| * Win32 waitable timers |
| * |
| * Copyright 1999 Alexandre Julliard |
| */ |
| |
| #include <assert.h> |
| #include <string.h> |
| #include "winerror.h" |
| #include "winnls.h" |
| #include "wine/unicode.h" |
| #include "file.h" /* for FILETIME routines */ |
| #include "server.h" |
| |
| |
| /*********************************************************************** |
| * CreateWaitableTimerA (KERNEL32.861) |
| */ |
| HANDLE WINAPI CreateWaitableTimerA( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? MultiByteToWideChar( CP_ACP, 0, name, strlen(name), NULL, 0 ) : 0; |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| SERVER_START_VAR_REQ( create_timer, len * sizeof(WCHAR) ) |
| { |
| req->manual = manual; |
| req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle); |
| if (len) MultiByteToWideChar( CP_ACP, 0, name, strlen(name), server_data_ptr(req), len ); |
| SetLastError(0); |
| SERVER_CALL_ERR(); |
| ret = req->handle; |
| } |
| SERVER_END_VAR_REQ; |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * CreateWaitableTimerW (KERNEL32.862) |
| */ |
| HANDLE WINAPI CreateWaitableTimerW( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCWSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? strlenW(name) : 0; |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| SERVER_START_VAR_REQ( create_timer, len * sizeof(WCHAR) ) |
| { |
| req->manual = manual; |
| req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle); |
| memcpy( server_data_ptr(req), name, len * sizeof(WCHAR) ); |
| SetLastError(0); |
| SERVER_CALL_ERR(); |
| ret = req->handle; |
| } |
| SERVER_END_VAR_REQ; |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * OpenWaitableTimerA (KERNEL32.881) |
| */ |
| HANDLE WINAPI OpenWaitableTimerA( DWORD access, BOOL inherit, LPCSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? MultiByteToWideChar( CP_ACP, 0, name, strlen(name), NULL, 0 ) : 0; |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| SERVER_START_VAR_REQ( open_timer, len * sizeof(WCHAR) ) |
| { |
| req->access = access; |
| req->inherit = inherit; |
| if (len) MultiByteToWideChar( CP_ACP, 0, name, strlen(name), server_data_ptr(req), len ); |
| SERVER_CALL_ERR(); |
| ret = req->handle; |
| } |
| SERVER_END_VAR_REQ; |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * OpenWaitableTimerW (KERNEL32.882) |
| */ |
| HANDLE WINAPI OpenWaitableTimerW( DWORD access, BOOL inherit, LPCWSTR name ) |
| { |
| HANDLE ret; |
| DWORD len = name ? strlenW(name) : 0; |
| if (len >= MAX_PATH) |
| { |
| SetLastError( ERROR_FILENAME_EXCED_RANGE ); |
| return 0; |
| } |
| SERVER_START_VAR_REQ( open_timer, len * sizeof(WCHAR) ) |
| { |
| req->access = access; |
| req->inherit = inherit; |
| memcpy( server_data_ptr(req), name, len * sizeof(WCHAR) ); |
| SERVER_CALL_ERR(); |
| ret = req->handle; |
| } |
| SERVER_END_VAR_REQ; |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * SetWaitableTimer (KERNEL32.894) |
| */ |
| BOOL WINAPI SetWaitableTimer( HANDLE handle, const LARGE_INTEGER *when, LONG period, |
| PTIMERAPCROUTINE callback, LPVOID arg, BOOL resume ) |
| { |
| BOOL ret; |
| LARGE_INTEGER exp = *when; |
| |
| if (exp.s.HighPart < 0) /* relative time */ |
| { |
| LARGE_INTEGER now; |
| NtQuerySystemTime( &now ); |
| exp.QuadPart = RtlLargeIntegerSubtract( now.QuadPart, exp.QuadPart ); |
| } |
| |
| SERVER_START_REQ( set_timer ) |
| { |
| if (!exp.s.LowPart && !exp.s.HighPart) |
| { |
| /* special case to start timeout on now+period without too many calculations */ |
| req->sec = 0; |
| req->usec = 0; |
| } |
| else |
| { |
| DWORD remainder; |
| req->sec = DOSFS_FileTimeToUnixTime( (FILETIME *)&exp, &remainder ); |
| req->usec = remainder / 10; /* convert from 100-ns to us units */ |
| } |
| req->handle = handle; |
| req->period = period; |
| req->callback = callback; |
| req->arg = arg; |
| if (resume) SetLastError( ERROR_NOT_SUPPORTED ); /* set error but can still succeed */ |
| ret = !SERVER_CALL_ERR(); |
| } |
| SERVER_END_REQ; |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * CancelWaitableTimer (KERNEL32.857) |
| */ |
| BOOL WINAPI CancelWaitableTimer( HANDLE handle ) |
| { |
| BOOL ret; |
| SERVER_START_REQ( cancel_timer ) |
| { |
| req->handle = handle; |
| ret = !SERVER_CALL_ERR(); |
| } |
| SERVER_END_REQ; |
| return ret; |
| } |