Initial GOS port for POSIX (Linux). Untested.

1 files changed, 77 insertions, 0 deletions

diff --git a/include/gos/posix.h b/include/gos/posix.h
index f81fb26b..732a7de3 100644
--- a/include/gos/posix.h
+++ b/include/gos/posix.h
@@ -14,6 +14,83 @@
 #define _GOS_POSIX_H
 
 #if GFX_USE_OS_POSIX
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <pthread.h>
+
+/* Already defined int8_t, uint8_t, int16_t, uint16_t, int32_t, uint32_t, size_t */
+
+typedef int8_t				bool_t;
+typedef unsigned long		systemticks_t;
+typedef void *				threadreturn_t;
+typedef unsigned long		delaytime_t;
+typedef pthread_t 			gfxThreadHandle;
+typedef int					threadpriority_t;
+typedef uint32_t			semcount_t;
+typedef pthread_mutex_t		gfxMutex;
+
+#define DECLARE_THREAD_FUNCTION(fnName, param)	threadreturn_t fnName(void *param)
+#define DECLARE_THREAD_STACK(name, sz)			uint8_t name[0];
+
+#define gfxExit()						exit(0)
+#define gfxAlloc(sz)					malloc(sz)
+#define gfxRealloc(p,osz,nsz)			realloc(p, nsz)
+#define gfxFree(ptr)					free(ptr)
+#define gfxMillisecondsToTicks(ms)		(ms)
+#define gfxYield()						pthread_yield()
+#define gfxThreadMe()					pthread_self()
+#define gfxThreadClose(th)				{}
+#define gfxMutexInit(pmtx)				pthread_mutex_init(pmtx, 0)
+#define gfxMutexDestroy(pmtx)			pthread_mutex_destroy(pmtx)
+#define gfxMutexEnter(pmtx)				pthread_mutex_lock(pmtx)
+#define gfxMutexExit(pmtx)				pthread_mutex_unlock(pmtx)
+#define gfxSemSignalI(psem)				gfxSemSignal(psem)
+#define gfxSemCounterI(pSem)			((pSem)->cnt)
+
+
+#define FALSE						0
+#define TRUE						1
+#define TIME_IMMEDIATE				0
+#define TIME_INFINITE				((delaytime_t)-1)
+#define MAX_SEMAPHORE_COUNT			((semcount_t)-1)
+#define LOW_PRIORITY				10
+#define NORMAL_PRIORITY				0
+#define HIGH_PRIORITY				-10
+
+typedef struct gfxSem {
+	pthread_mutex_t	mtx;
+	pthread_cond_t	cond;
+	semcount_t		cnt;
+	semcount_t		max;
+	} gfxSem;
+
+/*===========================================================================*/
+/* Function declarations.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void gfxHalt(const char *msg);
+void gfxSleepMilliseconds(delaytime_t ms);
+void gfxSleepMicroseconds(delaytime_t ms);
+systemticks_t gfxSystemTicks(void);
+void gfxSystemLock(void);
+void gfxSystemUnlock(void);
+void gfxSemInit(gfxSem *psem, semcount_t val, semcount_t limit);
+void gfxSemDestroy(gfxSem *psem);
+bool_t gfxSemWait(gfxSem *psem, delaytime_t ms);
+void gfxSemSignal(gfxSem *psem);
+semcount_t gfxSemCounter(gfxSem *pSem);
+gfxThreadHandle gfxThreadCreate(void *stackarea, size_t stacksz, threadpriority_t prio, DECLARE_THREAD_FUNCTION((*fn),p), void *param);
+threadreturn_t gfxThreadWait(gfxThreadHandle thread);
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* GFX_USE_OS_POSIX */
 
 #endif /* _GOS_POSIX_H */