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os2: updates to SDL_systhread.c: 

removed lots of garbage.  added SDL_PASSED_BEGINTHREAD_ENDTHREAD guard,
because the code requires it.
This commit is contained in:
Ozkan Sezer 2020-10-14 23:01:02 +03:00
parent c218861946
commit f9af19f51d
1 changed files with 7 additions and 53 deletions
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60
src/thread/os2/SDL_systhread.c
View File

@ -30,50 +30,15 @@
#include "../SDL_systhread.h"
#include "SDL_systls_c.h"
#include "../../core/os2/SDL_os2.h"
#ifndef SDL_PASSED_BEGINTHREAD_ENDTHREAD
#error This source only adjusted for SDL_PASSED_BEGINTHREAD_ENDTHREAD
#endif
#define INCL_DOSPROCESS
#define INCL_DOSERRORS
#include <os2.h>
#ifndef SDL_PASSED_BEGINTHREAD_ENDTHREAD
/* We'll use the C library from this DLL */
#include <process.h>
/* Cygwin gcc-3 ... MingW64 (even with a i386 host) does this like MSVC. */
#if (defined(__MINGW32__) && (__GNUC__ < 4))
typedef unsigned long (__cdecl *pfnSDL_CurrentBeginThread) (void *, unsigned,
unsigned (__stdcall *func)(void *), void *arg,
unsigned, unsigned *threadID);
typedef void (__cdecl *pfnSDL_CurrentEndThread)(unsigned code);
#elif defined(__WATCOMC__)
/* This is for Watcom targets except OS2 */
#if __WATCOMC__ < 1240
#define __watcall
#endif
typedef unsigned long (__watcall * pfnSDL_CurrentBeginThread) (void *,
unsigned,
unsigned
(__stdcall *
func) (void
*),
void *arg,
unsigned,
unsigned
*threadID);
typedef void (__watcall * pfnSDL_CurrentEndThread) (unsigned code);
#else
typedef uintptr_t(__cdecl * pfnSDL_CurrentBeginThread) (void *, unsigned,
unsigned (__stdcall *
func) (void
*),
void *arg, unsigned,
unsigned *threadID);
typedef void (__cdecl * pfnSDL_CurrentEndThread) (unsigned code);
#endif
#endif /* !SDL_PASSED_BEGINTHREAD_ENDTHREAD */
typedef struct ThreadStartParms {
void *args;
@ -99,15 +64,10 @@ static void RunThread(void *data)
#ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD
int
SDL_SYS_CreateThread(SDL_Thread * thread, void *args,
pfnSDL_CurrentBeginThread pfnBeginThread,
pfnSDL_CurrentEndThread pfnEndThread)
#else
int
SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
#endif /* SDL_PASSED_BEGINTHREAD_ENDTHREAD */
{
pThreadStartParms pThreadParms = SDL_malloc( sizeof(tThreadStartParms) );
@ -121,11 +81,7 @@ SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
// Start the thread using the runtime library of calling app!
thread->handle = (SYS_ThreadHandle)
#ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD
( (size_t) pfnBeginThread( RunThread, NULL, 65535, pThreadParms ) );
#else
_beginthread( RunThread, NULL, 65535, pThreadParms );
#endif
if ( thread->handle == -1 )
return SDL_SetError( "Not enough resources to create thread" );
@ -155,11 +111,9 @@ SDL_SYS_SetThreadPriority(SDL_ThreadPriority priority)
ULONG ulRC;
ulRC = DosSetPriority( PRTYS_THREAD,
priority == SDL_THREAD_PRIORITY_LOW
? PRTYC_IDLETIME
: priority == SDL_THREAD_PRIORITY_HIGH
? PRTYC_TIMECRITICAL
: PRTYC_REGULAR ,
(priority < SDL_THREAD_PRIORITY_NORMAL)? PRTYC_IDLETIME :
(priority > SDL_THREAD_PRIORITY_NORMAL)? PRTYC_TIMECRITICAL :
PRTYC_REGULAR,
0, 0 );
if ( ulRC != NO_ERROR )
return SDL_SetError( "DosSetPriority() failed, rc = %u", ulRC );
@ -179,7 +133,7 @@ SDL_SYS_WaitThread(SDL_Thread * thread)
void
SDL_SYS_DetachThread(SDL_Thread * thread)
{
return;
/* nothing. */
}
#endif /* SDL_THREAD_OS2 */