ipcbufpool.h

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#pragma once
 
#include <wut.h>
#include "mutex.h"
#include "ios.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct IPCBufPoolAttributes IPCBufPoolAttributes;
typedef struct IPCBufPoolFIFO IPCBufPoolFIFO;
typedef struct IPCBufPool IPCBufPool;
 
struct IPCBufPoolFIFO {
    int32_t pushIndex;
 
    int32_t popIndex;
 
    int32_t count;
 
    int32_t maxCount;
 
    void **messages;
};
WUT_CHECK_OFFSET(IPCBufPoolFIFO, 0x00, pushIndex);
WUT_CHECK_OFFSET(IPCBufPoolFIFO, 0x04, popIndex);
WUT_CHECK_OFFSET(IPCBufPoolFIFO, 0x08, count);
WUT_CHECK_OFFSET(IPCBufPoolFIFO, 0x0C, maxCount);
WUT_CHECK_OFFSET(IPCBufPoolFIFO, 0x10, messages);
WUT_CHECK_SIZE(IPCBufPoolFIFO, 0x14);
 
struct IPCBufPoolAttributes {
    uint32_t messageSize;
 
    uint32_t poolSize;
 
    uint32_t numMessages;
};
WUT_CHECK_OFFSET(IPCBufPoolAttributes, 0x00, messageSize);
WUT_CHECK_OFFSET(IPCBufPoolAttributes, 0x04, poolSize);
WUT_CHECK_OFFSET(IPCBufPoolAttributes, 0x08, numMessages);
WUT_CHECK_SIZE(IPCBufPoolAttributes, 0x0C);
 
#define IPC_BUF_POOL_MAGIC 0x0BADF00Du
 
struct IPCBufPool {
    uint32_t magic;
 
    void *buffer;
 
    uint32_t size;
 
    uint32_t unk0x0C;
    uint32_t unk0x10;
 
    uint32_t messageSize0x14;
 
    uint32_t messageSize0x18;
 
    uint32_t messageCount;
 
    void *messages;
 
    uint32_t *messageIndexSize;
 
    IPCBufPoolFIFO fifo;
 
    OSMutex mutex;
 
    WUT_UNKNOWN_BYTES(0x04);
};
WUT_CHECK_OFFSET(IPCBufPool, 0x00, magic);
WUT_CHECK_OFFSET(IPCBufPool, 0x04, buffer);
WUT_CHECK_OFFSET(IPCBufPool, 0x08, size);
WUT_CHECK_OFFSET(IPCBufPool, 0x0C, unk0x0C);
WUT_CHECK_OFFSET(IPCBufPool, 0x10, unk0x10);
WUT_CHECK_OFFSET(IPCBufPool, 0x14, messageSize0x14);
WUT_CHECK_OFFSET(IPCBufPool, 0x18, messageSize0x18);
WUT_CHECK_OFFSET(IPCBufPool, 0x1C, messageCount);
WUT_CHECK_OFFSET(IPCBufPool, 0x20, messages);
WUT_CHECK_OFFSET(IPCBufPool, 0x24, messageIndexSize);
WUT_CHECK_OFFSET(IPCBufPool, 0x28, fifo);
WUT_CHECK_OFFSET(IPCBufPool, 0x3C, mutex);
WUT_CHECK_SIZE(IPCBufPool, 0x6C);
 
IPCBufPool *
IPCBufPoolCreate(void *buffer,
                 uint32_t size,
                 uint32_t messageSize,
                 uint32_t *outNumMessages,
                 uint32_t unk0x0c);
 
void *
IPCBufPoolAllocate(IPCBufPool *pool,
                   uint32_t size);
 
IOSError
IPCBufPoolFree(IPCBufPool *pool,
               void *message);
 
IOSError
IPCBufPoolGetAttributes(IPCBufPool *pool,
                        IPCBufPoolAttributes *attribs);
 
 
#ifdef __cplusplus
}
#endif