my_init.c

虽然mysql已经在.NET平台上提供了支持

/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
   This file is public domain and comes with NO WARRANTY of any kind */

#include "mysys_priv.h"
#include "my_static.h"
#include "mysys_err.h"
#include <m_string.h>
#ifdef THREAD
#include <my_pthread.h>
#endif
#ifdef HAVE_GETRUSAGE
#include <sys/resource.h>
extern int     getrusage(int, struct rusage *);
#endif
#ifdef VMS
#include <my_static.c>
#include <m_ctype.h>
#endif
#ifdef __WIN32__
#ifdef _MSC_VER
#include <crtdbg.h>
#endif
static void my_win_init(void);
#else
#define my_win_init()
#endif

	/* Init my_sys functions and my_sys variabels */

void my_init(void)
{
  my_string str;
#if defined(HAVE_PTHREAD_INIT) && defined(THREAD)
  pthread_init();			/* Must be called before DBUG_ENTER */
#endif
  {
    DBUG_ENTER("my_init");
    DBUG_PROCESS(my_progname ? my_progname : "unknown");
    if (!home_dir)
    {					/* Don't initialize twice */
      if ((home_dir=getenv("HOME")) != 0)
	home_dir=intern_filename(home_dir_buff,home_dir);
#ifndef VMS
      if ((str=getenv("UMASK")) != 0)
	my_umask=atoi(str) | 0600;	/* Default creation of new files */
#endif
#ifdef VMS
      init_ctype();			/* Stupid linker don't link _ctype.c */
#endif
#ifdef THREAD
      my_thread_global_init();
#ifndef __WIN32__
      sigfillset(&my_signals);		/* signals blocked by mf_brkhant */
#endif
#endif
      DBUG_PRINT("exit",("home: '%s'",home_dir));
    }
   DBUG_VOID_RETURN;
  }
} /* my_init */


	/* End my_sys */

void my_end(int infoflag)
{
  FILE *info_file;
  DBUG_ENTER("my_end");

  if (!(info_file=DBUG_FILE))
    info_file=stderr;
  if (infoflag & MY_CHECK_ERROR || info_file != stderr)
  {					/* Test if some file is left open */
    if (my_file_opened | my_stream_opened)
    {
      sprintf(errbuff[0],EE(EE_OPEN_WARNING),my_file_opened,my_stream_opened);
      (void) my_message_no_curses(EE_OPEN_WARNING,errbuff[0],ME_BELL);
      DBUG_PRINT("error",("%s",errbuff[0]));
    }
  }
  if (infoflag & MY_GIVE_INFO || info_file != stderr)
  {
#ifdef HAVE_GETRUSAGE
    struct rusage rus;
    if (!getrusage(RUSAGE_SELF, &rus))
      fprintf(info_file,"\nUser time %.2f, System time %.2f\nMaximum resident set size %d, Integral resident set size %d\nNon physical pagefaults %d, Physical pagefaults %d, Swaps %d\nBlocks in %d out %d, Messages in %d out %d, Signals %d\nVouluntary contexts switches %d, Invouluntary contexts switches %d\n",
	      (rus.ru_utime.tv_sec * SCALE_SEC +
	       rus.ru_utime.tv_usec / SCALE_USEC) / 100.0,
	      (rus.ru_stime.tv_sec * SCALE_SEC +
	       rus.ru_stime.tv_usec / SCALE_USEC) / 100.0,
	      rus.ru_maxrss, rus.ru_idrss,
	      rus.ru_minflt, rus.ru_majflt,
	      rus.ru_nswap, rus.ru_inblock, rus.ru_oublock,
	      rus.ru_msgsnd, rus.ru_msgrcv, rus.ru_nsignals,
	      rus.ru_nvcsw, rus.ru_nivcsw);
#endif
#ifdef MSDOS
    fprintf(info_file,"\nRun time: %.1f\n",(double) clock()/CLOCKS_PER_SEC);
#endif
#if defined(SAFEMALLOC)
    TERMINATE(stderr);		/* Give statistic on screen */
#elif defined(__WIN32__) && defined(_MSC_VER)
   _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );
   _CrtSetReportFile( _CRT_WARN, _CRTDBG_FILE_STDERR );
   _CrtSetReportMode( _CRT_ERROR, _CRTDBG_MODE_FILE );
   _CrtSetReportFile( _CRT_ERROR, _CRTDBG_FILE_STDERR );
   _CrtSetReportMode( _CRT_ASSERT, _CRTDBG_MODE_FILE );
   _CrtSetReportFile( _CRT_ASSERT, _CRTDBG_FILE_STDERR );
   _CrtCheckMemory();
   _CrtDumpMemoryLeaks();
#endif
  }
#ifdef THREAD
  pthread_mutex_destroy(&THR_LOCK_keycache);
  pthread_mutex_destroy(&THR_LOCK_malloc);
  pthread_mutex_destroy(&THR_LOCK_open);
#endif
  DBUG_VOID_RETURN;
} /* my_end */