#include <objc/thr.h>
#include "runtime.h"
#define INCL_DOSSEMAPHORES
#define INCL_DOSPROCESS
#define SEL _OS2_SEL
#define BOOL _OS2_BOOL
#define id _OS2_id
#include <os2.h>
#undef id
#undef SEL
#undef BOOL
#include <stdlib.h>
int
__objc_init_thread_system(void)
{
return 0;
}
int
__objc_close_thread_system(void)
{
return 0;
}
objc_thread_t
__objc_thread_detach(void (*func)(void *arg), void *arg)
{
int thread_id = 0;
if ((thread_id = _beginthread (func,NULL,32768,arg)) < 0)
thread_id = 0;
return (objc_thread_t)thread_id;
}
int
__objc_thread_set_priority(int priority)
{
ULONG sys_class = 0;
ULONG sys_priority = 0;
switch (priority) {
case OBJC_THREAD_INTERACTIVE_PRIORITY:
sys_class = PRTYC_REGULAR;
sys_priority = 10;
break;
default:
case OBJC_THREAD_BACKGROUND_PRIORITY:
sys_class = PRTYC_IDLETIME;
sys_priority = 25;
break;
case OBJC_THREAD_LOW_PRIORITY:
sys_class = PRTYC_IDLETIME;
sys_priority = 0;
break;
}
if (!DosSetPriority (PRTYS_THREAD,sys_class,sys_priority,*_threadid))
return 0;
else
return -1;
}
int
__objc_thread_get_priority(void)
{
PTIB ptib;
PPIB ppib;
DosGetInfoBlocks (&ptib,&ppib);
switch (ptib->tib_ptib2->tib2_ulpri)
{
case PRTYC_IDLETIME:
case PRTYC_REGULAR:
case PRTYC_TIMECRITICAL:
case PRTYC_FOREGROUNDSERVER:
default:
return OBJC_THREAD_INTERACTIVE_PRIORITY;
}
return -1;
}
void
__objc_thread_yield(void)
{
DosSleep (0);
}
int
__objc_thread_exit(void)
{
_endthread ();
return -1;
}
objc_thread_t
__objc_thread_id(void)
{
return (objc_thread_t) *_threadid;
}
int
__objc_thread_set_data(void *value)
{
*_threadstore () = value;
return 0;
}
void *
__objc_thread_get_data(void)
{
return *_threadstore ();
}
int
__objc_mutex_allocate(objc_mutex_t mutex)
{
if (DosCreateMutexSem (NULL, (HMTX)(&(mutex->backend)),0L,0) > 0)
return -1;
else
return 0;
}
int
__objc_mutex_deallocate(objc_mutex_t mutex)
{
DosCloseMutexSem ((HMTX)(mutex->backend));
return 0;
}
int
__objc_mutex_lock(objc_mutex_t mutex)
{
if (DosRequestMutexSem ((HMTX)(mutex->backend),-1L) != 0)
return -1;
else
return 0;
}
int
__objc_mutex_trylock(objc_mutex_t mutex)
{
if (DosRequestMutexSem ((HMTX)(mutex->backend),0L) != 0)
return -1;
else
return 0;
}
int
__objc_mutex_unlock(objc_mutex_t mutex)
{
if (DosReleaseMutexSem((HMTX)(mutex->backend)) != 0)
return -1;
else
return 0;
}
int
__objc_condition_allocate(objc_condition_t condition)
{
return -1;
}
int
__objc_condition_deallocate(objc_condition_t condition)
{
return -1;
}
int
__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
{
return -1;
}
int
__objc_condition_broadcast(objc_condition_t condition)
{
return -1;
}
int
__objc_condition_signal(objc_condition_t condition)
{
return -1;
}