mirror of
https://github.com/gnif/LookingGlass.git
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73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
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/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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Copyright (C) 2017-2020 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "common/time.h"
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#include "common/debug.h"
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// decared by the platform
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extern HWND MessageHWND;
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struct LGTimer
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{
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LGTimerFn fn;
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void * udata;
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UINT_PTR handle;
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bool running;
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};
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static void TimerProc(HWND Arg1, UINT Arg2, UINT_PTR Arg3, DWORD Arg4)
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{
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LGTimer * timer = (LGTimer *)Arg3;
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if (!timer->fn(timer->udata))
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{
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KillTimer(Arg1, timer->handle);
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timer->running = false;
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}
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}
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bool lgCreateTimer(const unsigned int intervalMS, LGTimerFn fn,
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void * udata, LGTimer ** result)
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{
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LGTimer * ret = malloc(sizeof(LGTimer));
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if (!ret)
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{
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DEBUG_ERROR("failed to malloc LGTimer struct");
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return false;
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}
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ret->fn = fn;
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ret->udata = udata;
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ret->running = true;
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ret->handle = SetTimer(MessageHWND, (UINT_PTR)ret, intervalMS, TimerProc);
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*result = ret;
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return true;
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}
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void lgTimerDestroy(LGTimer * timer)
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{
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if (timer->running)
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{
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if (!KillTimer(MessageHWND, timer->handle))
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DEBUG_ERROR("failed to destroy the timer");
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}
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free(timer);
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}
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