X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Finclude%2Facess.h;h=b8ba67a5c86accc5acac84b34906bd9a28ae90ba;hb=7d881c2e5fef91a6570e46ef69a5d4a5cf0e8b4d;hp=83a44ce51488942d1f52ee98978d7d404a715b0d;hpb=dea6bcf35a3f52396724d74e47f71cb3afade37c;p=tpg%2Facess2.git

diff --git a/Kernel/include/acess.h b/Kernel/include/acess.h
index 83a44ce5..b8ba67a5 100644
--- a/Kernel/include/acess.h
+++ b/Kernel/include/acess.h
@@ -6,7 +6,9 @@
 #define _COMMON_H
 
 #define NULL	((void*)0)
-#define PACKED	__attribute__ ((packed))
+#define PACKED	__attribute__((packed))
+#define UNUSED(x)	UNUSED_##x __attribute__((unused))
+#define offsetof(st, m) ((Uint)((char *)&((st *)(0))->m - (char *)0 ))
 
 //#include <stdint.h>
 #include <arch.h>
@@ -19,6 +21,15 @@ typedef  int	tTID;
 typedef Uint	tUID;
 typedef Uint	tGID;
 typedef Sint64	tTimestamp;
+typedef struct sShortSpinlock	tShortSpinlock;
+typedef struct sMutex	tMutex;
+
+struct sMutex {
+	tShortSpinlock	Protector;	//!< Protector for the lock strucure
+	struct sThread	*volatile Owner;	//!< Owner of the lock (set upon getting the lock)
+	struct sThread	*Waiting;	//!< Waiting threads
+	struct sThread	*LastWaiting;	//!< Waiting threads
+};
 
 // --- Helper Macros ---
 /**
@@ -337,18 +348,7 @@ extern Uint	rand(void);
 extern int	CallWithArgArray(void *Function, int NArgs, Uint *Args);
 
 // --- Heap ---
-/**
- * \name Heap
- * \{
- */
-extern void *malloc(size_t size);
-extern void *calloc(size_t num, size_t size);
-extern void	*realloc(void *ptr, size_t size);
-extern void free(void *Ptr);
-extern int	IsHeap(void *Ptr);
-/**
- * \}
- */
+#include <heap.h>
 
 // --- Modules ---
 /**
@@ -370,8 +370,24 @@ extern int	Module_LoadFile(char *Path, char *ArgStr);
  * \brief Create a timestamp from a time
  */
 extern Sint64	timestamp(int sec, int mins, int hrs, int day, int month, int year);
+/**
+ * \brief Gets the current timestamp (miliseconds since Midnight 1st January 1970)
+ */
 extern Sint64	now(void);
-extern int	Time_CreateTimer(int Delta, void *Callback, void *Argument);
+/**
+ * \brief Timer callback function
+ */
+typedef void (tTimerCallback)(void *);
+/**
+ * \brief Creates a one-shot timer
+ * \param Delta	Period of the timer
+ * \param Callback	Function to call each time
+ * \param Argument	Argument to pass to the callback
+ */
+extern int	Time_CreateTimer(int Delta, tTimerCallback *Callback, void *Argument);
+/**
+ * \brief Removed an active timer
+ */
 extern void	Time_RemoveTimer(int ID);
 extern void	Time_Delay(int Delay);
 /**
@@ -388,7 +404,7 @@ extern int	Proc_Spawn(char *Path);
 extern void	Threads_Exit(int TID, int Status);
 extern void	Threads_Yield(void);
 extern void	Threads_Sleep(void);
-extern void	Threads_WakeTID(tTID Thread);
+extern int	Threads_WakeTID(tTID Thread);
 extern tPID	Threads_GetPID(void);
 extern tTID	Threads_GetTID(void);
 extern tUID	Threads_GetUID(void);
@@ -396,6 +412,9 @@ extern tGID	Threads_GetGID(void);
 extern int	SpawnTask(tThreadFunction Function, void *Arg);
 extern Uint	*Threads_GetCfgPtr(int Id);
 extern int	Threads_SetName(char *NewName);
+extern void	Mutex_Acquire(tMutex *Mutex);
+extern void	Mutex_Release(tMutex *Mutex);
+extern int	Mutex_IsLocked(tMutex *Mutex);
 /**
  * \}
  */