lock.c File Reference

#include <precomp.h>

Include dependency graph for lock.c:

Go to the source code of this file.

Classes
struct	LOCKTABLEENTRY

Functions
static __inline void	msvcrt_mlock_set_entry_initialized (int locknum, BOOL initialized)
static __inline void	msvcrt_initialize_mlock (int locknum)
static __inline void	msvcrt_uninitialize_mlock (int locknum)
void	msvcrt_init_mt_locks (void)
void	msvcrt_free_mt_locks (void)
void	_lock (int locknum)
void	_unlock (int locknum)

Variables
static LOCKTABLEENTRY	lock_table [_TOTAL_LOCKS]

Function Documentation

_lock()

void _lock

(

int

locknum

)

Definition at line 97 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 _lock(), _lock_file(), and _onexit().

_unlock()

void _unlock

(

int

locknum

)

Definition at line 126 of file lock.c.

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

Referenced by _lock(), _onexit(), and _unlock_file().

msvcrt_free_mt_locks()

void msvcrt_free_mt_locks

(

void

)

Definition at line 77 of file lock.c.

{
  int i;
 
  TRACE(": uninitializing all mtlocks\n" );
 
  /* Uninitialize the table */
  for( i=0; i < _TOTAL_LOCKS; i++ )
  {
    if( lock_table[ i ].bInit )
    {
      msvcrt_uninitialize_mlock( i );
    }
  }
}

Referenced by DllMain(), and msvcrt_init_exception().

msvcrt_init_mt_locks()

void msvcrt_init_mt_locks

(

void

)

Definition at line 54 of file lock.c.

{
  int i;
 
  TRACE( "initializing mtlocks\n" );
 
  /* Initialize the table */
  for( i=0; i < _TOTAL_LOCKS; i++ )
  {
    msvcrt_mlock_set_entry_initialized( i, FALSE );
  }
 
  /* Initialize our lock table lock */
  msvcrt_initialize_mlock( _LOCKTAB_LOCK );
}

Referenced by crt_process_init(), and DllMain().

msvcrt_initialize_mlock()

static __inline void msvcrt_initialize_mlock ( int  locknum )

static

Definition at line 35 of file lock.c.

{
  InitializeCriticalSection( &(lock_table[ locknum ].crit) );
  msvcrt_mlock_set_entry_initialized( locknum, TRUE );
}

Referenced by _lock(), and msvcrt_init_mt_locks().

msvcrt_mlock_set_entry_initialized()

static __inline void msvcrt_mlock_set_entry_initialized ( int  locknum, BOOL  initialized  )

static

Definition at line 30 of file lock.c.

{
  lock_table[ locknum ].bInit = initialized;
}

Referenced by msvcrt_init_mt_locks(), msvcrt_initialize_mlock(), and msvcrt_uninitialize_mlock().

msvcrt_uninitialize_mlock()

static __inline void msvcrt_uninitialize_mlock ( int  locknum )

static

Definition at line 41 of file lock.c.

{
  DeleteCriticalSection( &(lock_table[ locknum ].crit) );
  msvcrt_mlock_set_entry_initialized( locknum, FALSE );
}

Referenced by msvcrt_free_mt_locks().

Variable Documentation

lock_table

LOCKTABLEENTRY lock_table[_TOTAL_LOCKS]

static

Definition at line 28 of file lock.c.

Referenced by _lock(), _unlock(), msvcrt_free_mt_locks(), msvcrt_initialize_mlock(), msvcrt_mlock_set_entry_initialized(), and msvcrt_uninitialize_mlock().