2 * Win32 waitable timers
4 * Copyright 1999 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include "wine/unicode.h"
26 #include "file.h" /* for FILETIME routines */
27 #include "wine/server.h"
30 /***********************************************************************
31 * CreateWaitableTimerA (KERNEL32.@)
33 HANDLE WINAPI CreateWaitableTimerA( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCSTR name )
35 WCHAR buffer[MAX_PATH];
37 if (!name) return CreateWaitableTimerW( sa, manual, NULL );
39 if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
41 SetLastError( ERROR_FILENAME_EXCED_RANGE );
44 return CreateWaitableTimerW( sa, manual, buffer );
48 /***********************************************************************
49 * CreateWaitableTimerW (KERNEL32.@)
51 HANDLE WINAPI CreateWaitableTimerW( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCWSTR name )
54 DWORD len = name ? strlenW(name) : 0;
57 SetLastError( ERROR_FILENAME_EXCED_RANGE );
60 SERVER_START_REQ( create_timer )
63 req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
64 wine_server_add_data( req, name, len * sizeof(WCHAR) );
66 wine_server_call_err( req );
74 /***********************************************************************
75 * OpenWaitableTimerA (KERNEL32.@)
77 HANDLE WINAPI OpenWaitableTimerA( DWORD access, BOOL inherit, LPCSTR name )
79 WCHAR buffer[MAX_PATH];
81 if (!name) return OpenWaitableTimerW( access, inherit, NULL );
83 if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
85 SetLastError( ERROR_FILENAME_EXCED_RANGE );
88 return OpenWaitableTimerW( access, inherit, buffer );
92 /***********************************************************************
93 * OpenWaitableTimerW (KERNEL32.@)
95 HANDLE WINAPI OpenWaitableTimerW( DWORD access, BOOL inherit, LPCWSTR name )
98 DWORD len = name ? strlenW(name) : 0;
101 SetLastError( ERROR_FILENAME_EXCED_RANGE );
104 SERVER_START_REQ( open_timer )
106 req->access = access;
107 req->inherit = inherit;
108 wine_server_add_data( req, name, len * sizeof(WCHAR) );
109 wine_server_call_err( req );
117 /***********************************************************************
118 * SetWaitableTimer (KERNEL32.@)
120 BOOL WINAPI SetWaitableTimer( HANDLE handle, const LARGE_INTEGER *when, LONG period,
121 PTIMERAPCROUTINE callback, LPVOID arg, BOOL resume )
124 LARGE_INTEGER exp = *when;
126 if (exp.s.HighPart < 0) /* relative time */
129 NtQuerySystemTime( &now );
130 exp.QuadPart = RtlLargeIntegerSubtract( now.QuadPart, exp.QuadPart );
133 SERVER_START_REQ( set_timer )
135 if (!exp.s.LowPart && !exp.s.HighPart)
137 /* special case to start timeout on now+period without too many calculations */
144 req->sec = DOSFS_FileTimeToUnixTime( (FILETIME *)&exp, &remainder );
145 req->usec = remainder / 10; /* convert from 100-ns to us units */
147 req->handle = handle;
148 req->period = period;
149 req->callback = callback;
151 if (resume) SetLastError( ERROR_NOT_SUPPORTED ); /* set error but can still succeed */
152 ret = !wine_server_call_err( req );
159 /***********************************************************************
160 * CancelWaitableTimer (KERNEL32.@)
162 BOOL WINAPI CancelWaitableTimer( HANDLE handle )
165 SERVER_START_REQ( cancel_timer )
167 req->handle = handle;
168 ret = !wine_server_call_err( req );