Thrd.core.h

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/**
 * @file Thrd.core.h
 * @brief Contains unified types and dependencies.
 * */
#ifndef ae2f_Sys_Thrd_core_h
#define ae2f_Sys_Thrd_core_h
 
#include <ae2f/LangVer.h>
#include <ae2f/Cast.h>
 
#include "../Sys.h"
 
#if ae2f_Sys_WIN(!)0
#include <windows.h>
#include <time.h>
 
#define _ae2f_SysThrdRes_t  DWORD /* WINAPI */
#define _ae2f_SysThrdPrm_t  /* __drv_aliasesMem */ LPVOID
#define _ae2f_SysThrdID_t   HANDLE
 
#elif   ae2f_Sys__linux(!)0
 
/**
 * @macro __ae2f_SysThrdStckTopOper
 * A macro to make top pointer.
 * */
#ifndef __ae2f_SysThrdStckTopOper
#define __ae2f_SysThrdStckTopOper(prm_ptr, prm_sz)  ((prm_ptr) + (prm_sz))
#endif
 
#define _GNU_SOURCE
#include <sys/mman.h>
#include <sys/syscall.h>
#include <unistd.h>
#include <c89atomic.h>
#include <sched.h>
#include <linux/sched.h>
#include <signal.h>
#include "./Ftx.h"
 
#define _ae2f_SysThrdRes_t  int
#define _ae2f_SysThrdPrm_t  void*
#define _ae2f_SysThrdID_t   int
 
ae2f_structdef(struct, _ae2f_SysThrdRunnerPrm_t)
{
    int         m_ret;
    /** 
     * if 1, is done.
     * This member must not be changed by multiple threads
     * */
    ae2f_SysFtxEl_t     m_done;
    ae2f_SysFtxRet_t    m_ftxret;
 
    int     (*m_fn)(void*);
    void*       m_arg;
    size_t      m_stcksz;
};
 
ae2f_structdef(union, _ae2f_SysThrdStckPtr_t)
{
    void* ae2f_restrict             m_void;
    char* ae2f_restrict             m_char;
    _ae2f_SysThrdRunnerPrm_t* ae2f_restrict m_prm;
};
 
static void _ae2f_SysThrdRunner(_ae2f_SysThrdRunnerPrm_t* prm_stck) {
 
    if(prm_stck) {
        /** child section */
        (prm_stck)->m_done = 0;
        (prm_stck)->m_ret = (prm_stck->m_fn)((prm_stck)->m_arg);
        (prm_stck)->m_done = 1;
 
        _ae2f_SysFtxWakeOne(
                (prm_stck)->m_ftxret
                , (&(prm_stck)->m_done)
                );
 
        syscall(SYS_exit, 0);
    }
 
    syscall(SYS_exit, -1);
}
 
#else
#include <pthread.h>
#include <errno.h>
#include <sched.h>
 
#define _ae2f_SysThrdRes_t  void*
#define _ae2f_SysThrdPrm_t  void*
#define _ae2f_SysThrdID_t   pthread_t
#endif
 
#endif