94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.io/license.html
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*/
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#ifndef _GOS_LINUX_H
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#define _GOS_LINUX_H
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#if GFX_USE_OS_LINUX || GFX_USE_OS_FREEBSD
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// We don't put this in the general sys_options.h as it is Linux specific.
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#ifndef GFX_USE_POSIX_SEMAPHORES
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#define GFX_USE_POSIX_SEMAPHORES GFXON
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#endif
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#include <sys/types.h>
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#include <stdlib.h>
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#include <pthread.h>
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#if GFX_USE_POSIX_SEMAPHORES
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#include <semaphore.h>
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#endif
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typedef unsigned long gTicks;
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typedef void * gThreadreturn;
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typedef unsigned long gDelay;
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typedef pthread_t gThread;
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typedef int gThreadpriority;
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typedef gU32 gSemcount;
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typedef pthread_mutex_t gMutex;
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#define GFX_THREAD_FUNCTION(fnName, param) gThreadreturn fnName(void *param)
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#define GFX_THREAD_STACK(name, sz) gU8 name[0];
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#define gfxThreadReturn(retval) return retval
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#define gfxExit() exit(0)
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#define gfxAlloc(sz) malloc(sz)
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#define gfxRealloc(p,osz,nsz) realloc(p, nsz)
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#define gfxFree(ptr) free(ptr)
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#define gfxMillisecondsToTicks(ms) (ms)
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#define gfxThreadMe() pthread_self()
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#define gfxThreadClose(th) (void)th
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#define gfxMutexInit(pmtx) pthread_mutex_init(pmtx, 0)
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#define gfxMutexDestroy(pmtx) pthread_mutex_destroy(pmtx)
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#define gfxMutexEnter(pmtx) pthread_mutex_lock(pmtx)
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#define gfxMutexExit(pmtx) pthread_mutex_unlock(pmtx)
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#define gfxSemWaitI(psem) gfxSemWait(psem, gDelayNone)
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#define gfxSemSignalI(psem) gfxSemSignal(psem)
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#define gDelayNone 0
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#define gDelayForever ((gDelay)-1)
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#define gSemMaxCount ((gSemcount)-1)
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#define gThreadpriorityLow 10
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#define gThreadpriorityNormal 0
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#define gThreadpriorityHigh -10
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#if GFX_USE_POSIX_SEMAPHORES
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typedef struct gSem {
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sem_t sem;
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gSemcount max;
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} gSem;
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#else
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typedef struct gSem {
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pthread_mutex_t mtx;
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pthread_cond_t cond;
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gSemcount cnt;
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gSemcount max;
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} gSem;
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#endif
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/*===========================================================================*/
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/* Function declarations. */
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/*===========================================================================*/
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void gfxYield(void);
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void gfxHalt(const char *msg);
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void gfxSleepMilliseconds(gDelay ms);
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void gfxSleepMicroseconds(gDelay ms);
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gTicks gfxSystemTicks(void);
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void gfxSystemLock(void);
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void gfxSystemUnlock(void);
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void gfxSemInit(gSem *psem, gSemcount val, gSemcount limit);
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void gfxSemDestroy(gSem *psem);
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gBool gfxSemWait(gSem *psem, gDelay ms);
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void gfxSemSignal(gSem *psem);
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gThread gfxThreadCreate(void *stackarea, gMemSize stacksz, gThreadpriority prio, GFX_THREAD_FUNCTION((*fn),p), void *param);
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gThreadreturn gfxThreadWait(gThread thread);
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#endif /* GFX_USE_OS_LINUX || GFX_USE_OS_FREEBSD */
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#endif /* _GOS_LINUX_H */
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