/***
    Copyright (C) 2024 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: AuProcAddresses.UNIX.hpp
    Date: 2024-3-5
    Author: Reece
***/
#pragma once

// PosixOpen platform specific flags!
#include <fcntl.h>

#define UNW_LOCAL_ONLY
#include <libunwind.h>

namespace Aurora
{
    void     PosixDoForkHooks();
    void     PosixShutup();
    void     PosixTerminate();
    void     PosixFDYeetus();
    
    int      PosixOpen(const char *pathname, int flags, mode_t mode = 0);

    AuUInt64 PosixGetOffset(int fd);
    bool     PosixSetOffset(int fd, AuUInt64 offset);
    AuUInt64 PosixGetLength(int fd);
    bool     PosixRead     (int fd, void *buf, AuUInt32 count, AuUInt32 *pRead);
    bool     PosixWrite    (int fd, const void *buf, AuUInt32 count, AuUInt32 *pWritten);
    void     PosixWriteEoS (int fd);

    int      PosixUnlink   (const char *pathname);

    void     PosixInitAddresses();

    inline int (*punw_getcontext)(unw_context_t *ucp) = nullptr;
    inline int (*punw_get_reg)(unw_cursor_t *cp, unw_regnum_t reg, unw_word_t *valp) = nullptr;
    inline int (*punw_get_proc_name)(unw_cursor_t *cp, char *bufp, size_t len, unw_word_t *offp) = nullptr;
    inline int (*punw_step)(unw_cursor_t *cp) = nullptr;
    inline int (*punw_init_local)(unw_cursor_t *c, unw_context_t *ctxt) = nullptr;
}