Mercurial > sdl-ios-xcode
diff src/thread/epoc/SDL_systhread.cpp @ 173:83018110dce8
Added initial support for EPOC/Symbian OS (thanks Hannu!)
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 11 Sep 2001 20:38:49 +0000 |
parents | |
children | e8157fcb3114 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/thread/epoc/SDL_systhread.cpp Tue Sep 11 20:38:49 2001 +0000 @@ -0,0 +1,127 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997, 1998, 1999, 2000 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Sam Lantinga + slouken@devolution.com +*/ + +/* + SDL_systhread.cpp + Epoc thread management routines for SDL + + Epoc version by Markus Mertama (w@iki.fi) +*/ + + +//#include <stdlib.h> +//#include <stdio.h> + + +extern "C" { +#undef NULL +#include "SDL_error.h" +#include "SDL_thread.h" +#include "SDL_systhread.h" + }; + +#include <e32std.h> + + +static int object_count; + +int RunThread(TAny* data) +{ + SDL_RunThread(data); + return(0); +} + + +TInt NewThread(const TDesC& aName, TAny* aPtr1, TAny* aPtr2) + { + return ((RThread*)(aPtr1))->Create(aName, + RunThread, + KDefaultStackSize, + NULL, + aPtr2); + } + +int CreateUnique(TInt (*aFunc)(const TDesC& aName, TAny*, TAny*), TAny* aPtr1, TAny* aPtr2) + { + TBuf<16> name; + TInt status = KErrNone; + do + { + object_count++; + name.Format(_L("SDL_%x"), object_count); + status = aFunc(name, aPtr1, aPtr2); + } + while(status == KErrAlreadyExists); + return status; + } + + +int SDL_SYS_CreateThread(SDL_Thread *thread, void *args) +{ + RThread rthread; + + TInt status = CreateUnique(NewThread, &rthread, args); + if (status != KErrNone) + { + delete(((RThread*)(thread->handle))); + thread->handle = NULL; + SDL_SetError("Not enough resources to create thread"); + return(-1); + } + rthread.Resume(); + thread->handle = rthread.Handle(); + return(0); +} + +void SDL_SYS_SetupThread(void) +{ + return; +} + +Uint32 SDL_ThreadID(void) +{ + RThread current; + TThreadId id = current.Id(); + return id; +} + +void SDL_SYS_WaitThread(SDL_Thread *thread) +{ + RUndertaker taker; + taker.Create(); + TRequestStatus status; + taker.Logon(status, thread->handle); + User::WaitForRequest(status); + taker.Close(); +} + +/* WARNING: This function is really a last resort. + * Threads should be signaled and then exit by themselves. + * TerminateThread() doesn't perform stack and DLL cleanup. + */ +void SDL_SYS_KillThread(SDL_Thread *thread) +{ + RThread rthread; + rthread.SetHandle(thread->handle); + rthread.Kill(0); + rthread.Close(); +}