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Macros
#define	_SIGNAL_LOCK 1

#define	_IOB_SCAN_LOCK 2

#define	_TMPNAM_LOCK 3

#define	_INPUT_LOCK 4

#define	_OUTPUT_LOCK 5

#define	_CSCANF_LOCK 6

#define	_CPRINTF_LOCK 7

#define	_CONIO_LOCK 8

#define	_HEAP_LOCK 9

#define	_BHEAP_LOCK 10 /* No longer used? */

#define	_TIME_LOCK 11

#define	_ENV_LOCK 12

#define	_EXIT_LOCK1 13

#define	_EXIT_LOCK2 14

#define	_THREADDATA_LOCK 15 /* No longer used? */

#define	_POPEN_LOCK 16

#define	_LOCKTAB_LOCK 17

#define	_OSFHND_LOCK 18

#define	_SETLOCALE_LOCK 19

#define	_LC_COLLATE_LOCK 20 /* No longer used? */

#define	_LC_CTYPE_LOCK 21 /* No longer used? */

#define	_LC_MONETARY_LOCK 22 /* No longer used? */

#define	_LC_NUMERIC_LOCK 23 /* No longer used? */

#define	_LC_TIME_LOCK 24 /* No longer used? */

#define	_MB_CP_LOCK 25

#define	_NLG_LOCK 26

#define	_TYPEINFO_LOCK 27

#define	_STREAM_LOCKS 28

#define	_IOB_ENTRIES 20

#define	_LAST_STREAM_LOCK (_STREAM_LOCKS+_IOB_ENTRIES-1)

#define	_TOTAL_LOCKS (_LAST_STREAM_LOCK+1)

Functions
void __cdecl	_unlock (int locknum)

void __cdecl	_lock (int locknum)

Macro Definition Documentation

◆ _BHEAP_LOCK

#define _BHEAP_LOCK 10 /* No longer used? */

Definition at line 34 of file mtdll.h.

◆ _CONIO_LOCK

#define _CONIO_LOCK 8

Definition at line 32 of file mtdll.h.

◆ _CPRINTF_LOCK

#define _CPRINTF_LOCK 7

Definition at line 31 of file mtdll.h.

◆ _CSCANF_LOCK

#define _CSCANF_LOCK 6

Definition at line 30 of file mtdll.h.

◆ _ENV_LOCK

#define _ENV_LOCK 12

Definition at line 36 of file mtdll.h.

◆ _EXIT_LOCK1

#define _EXIT_LOCK1 13

Definition at line 37 of file mtdll.h.

◆ _EXIT_LOCK2

#define _EXIT_LOCK2 14

Definition at line 38 of file mtdll.h.

◆ _HEAP_LOCK

#define _HEAP_LOCK 9

Definition at line 33 of file mtdll.h.

◆ _INPUT_LOCK

#define _INPUT_LOCK 4

Definition at line 28 of file mtdll.h.

◆ _IOB_ENTRIES

#define _IOB_ENTRIES 20

Definition at line 55 of file mtdll.h.

◆ _IOB_SCAN_LOCK

#define _IOB_SCAN_LOCK 2

Definition at line 26 of file mtdll.h.

◆ _LAST_STREAM_LOCK

#define _LAST_STREAM_LOCK (_STREAM_LOCKS+_IOB_ENTRIES-1)

Definition at line 57 of file mtdll.h.

◆ _LC_COLLATE_LOCK

#define _LC_COLLATE_LOCK 20 /* No longer used? */

Definition at line 44 of file mtdll.h.

◆ _LC_CTYPE_LOCK

#define _LC_CTYPE_LOCK 21 /* No longer used? */

Definition at line 45 of file mtdll.h.

◆ _LC_MONETARY_LOCK

#define _LC_MONETARY_LOCK 22 /* No longer used? */

Definition at line 46 of file mtdll.h.

◆ _LC_NUMERIC_LOCK

#define _LC_NUMERIC_LOCK 23 /* No longer used? */

Definition at line 47 of file mtdll.h.

◆ _LC_TIME_LOCK

#define _LC_TIME_LOCK 24 /* No longer used? */

Definition at line 48 of file mtdll.h.

◆ _LOCKTAB_LOCK

#define _LOCKTAB_LOCK 17

Definition at line 41 of file mtdll.h.

◆ _MB_CP_LOCK

#define _MB_CP_LOCK 25

Definition at line 49 of file mtdll.h.

◆ _NLG_LOCK

#define _NLG_LOCK 26

Definition at line 50 of file mtdll.h.

◆ _OSFHND_LOCK

#define _OSFHND_LOCK 18

Definition at line 42 of file mtdll.h.

◆ _OUTPUT_LOCK

#define _OUTPUT_LOCK 5

Definition at line 29 of file mtdll.h.

◆ _POPEN_LOCK

#define _POPEN_LOCK 16

Definition at line 40 of file mtdll.h.

◆ _SETLOCALE_LOCK

#define _SETLOCALE_LOCK 19

Definition at line 43 of file mtdll.h.

◆ _SIGNAL_LOCK

#define _SIGNAL_LOCK 1

Definition at line 25 of file mtdll.h.

◆ _STREAM_LOCKS

#define _STREAM_LOCKS 28

Definition at line 52 of file mtdll.h.

◆ _THREADDATA_LOCK

#define _THREADDATA_LOCK 15 /* No longer used? */

Definition at line 39 of file mtdll.h.

◆ _TIME_LOCK

#define _TIME_LOCK 11

Definition at line 35 of file mtdll.h.

◆ _TMPNAM_LOCK

#define _TMPNAM_LOCK 3

Definition at line 27 of file mtdll.h.

◆ _TOTAL_LOCKS

#define _TOTAL_LOCKS (_LAST_STREAM_LOCK+1)

Definition at line 59 of file mtdll.h.

◆ _TYPEINFO_LOCK

#define _TYPEINFO_LOCK 27

Definition at line 51 of file mtdll.h.

Function Documentation

◆ _lock()

void __cdecl _lock ( int locknum )

Definition at line 85 of file lock.c.

{
  TRACE( "(%d)\n", locknum );
 
  /* If the lock doesn't exist yet, create it */
  if( lock_table[ locknum ].bInit == FALSE )
  {
    /* Lock while we're changing the lock table */
    _lock( _LOCKTAB_LOCK );
 
    /* Check again if we've got a bit of a race on lock creation */
    if( lock_table[ locknum ].bInit == FALSE )
    {
      TRACE( ": creating lock #%d\n", locknum );
      msvcrt_initialize_mlock( locknum );
    }
 
    /* Unlock ourselves */
    _unlock( _LOCKTAB_LOCK );
  }
 
  EnterCriticalSection( &(lock_table[ locknum ].crit) );
}

Referenced by __acrt_initialize_stdio(), __acrt_uninitialize_stdio(), _execute_onexit_table(), _fcloseall(), _lock(), _lock_file(), _lock_locales(), _pclose(), _register_onexit_function(), _setmbcp(), _tzset(), _tzset_init(), _unlock_file(), _wgetenv(), _wgetenv_s(), _wpopen(), getenv(), getenv_s(), putenv_helper(), update_thread_locale(), and wputenv_helper().

◆ _unlock()

void __cdecl _unlock ( int locknum )

Definition at line 114 of file lock.c.

{
  TRACE( "(%d)\n", locknum );
 
  LeaveCriticalSection( &(lock_table[ locknum ].crit) );
}

Referenced by _execute_onexit_table(), _lock(), _pclose(), _register_onexit_function(), _setmbcp(), _tzset(), _tzset_init(), _unlock_file(), _unlock_locales(), _wgetenv(), _wgetenv_s(), _wpopen(), getenv(), getenv_s(), putenv_helper(), update_thread_locale(), and wputenv_helper().

Macros

Functions