76   const char*  lock;  member
95 filelock_lock( FileLock*  lock )  in filelock_lock()  argument
101     ret = _mkdir( lock->lock );  in filelock_lock()
104             D( "could not access directory '%s', check path elements", lock->lock );  in filelock_lock()
107             D( "_mkdir(%s): %s", lock->lock, strerror(errno) );  in filelock_lock()
113 … already exist, waiting a bit to ensure that no other emulator instance is starting", lock->lock );  in filelock_lock()
120                 pidfile_fd = open( lock->temp, O_RDONLY );  in filelock_lock()
131             D( "no pid file in '%s', assuming stale directory", lock->lock );  in filelock_lock()
144                 D( "could not read pid file '%s'", lock->temp );  in filelock_lock()
183                 D( "the file '%s' is locked by process ID %d\n", lock->file, lockpid );  in filelock_lock()
190     pidfile_fd = open( lock->temp, O_WRONLY | O_CREAT | O_TRUNC );  in filelock_lock()
193             if ( path_delete_file( lock->temp ) < 0 ) {  in filelock_lock()
194                 D( "could not remove '%s': %s\n", lock->temp, strerror(errno) );  in filelock_lock()
197             pidfile_fd = open( lock->temp, O_WRONLY | O_CREAT | O_TRUNC );  in filelock_lock()
200             D( "could not create '%s': %s\n", lock->temp, strerror(errno) );  in filelock_lock()
211             D( "could not write PID to '%s'\n", lock->temp );  in filelock_lock()
216     lock->locked = 1;  in filelock_lock()
226     strcpy( lock->temp, lock->file );  in filelock_lock()
227     strcat( lock->temp, TEMP_NAME );  in filelock_lock()
228     temp_fd = mkstemp( lock->temp );  in filelock_lock()
231         D("cannot create locking temp file '%s'", lock->temp );  in filelock_lock()
238         D( "cannot write to locking temp file '%s'", lock->temp);  in filelock_lock()
244     CHECKED(rc, lstat( lock->temp, &st_temp ));  in filelock_lock()
246         D( "can't properly stat our locking temp file '%s'", lock->temp );  in filelock_lock()
259                 D( "cannot acquire lock file '%s'", lock->lock );  in filelock_lock()
267         CHECKED(rc, link( lock->temp, lock->lock ));  in filelock_lock()
269         CHECKED(rc, lstat( lock->lock, &st_lock ));  in filelock_lock()
275             lock->locked = 1;  in filelock_lock()
276             CHECKED(rc, unlink( lock->temp ));  in filelock_lock()
293             CHECKED(lockfd, open( lock->lock,O_RDONLY ));  in filelock_lock()
322                 D( "removing stale lockfile '%s'", lock->lock );  in filelock_lock()
323                 CHECKED(rc, unlink( lock->lock ));  in filelock_lock()
329     D("file '%s' is already in use by another process", lock->file );  in filelock_lock()
343     unlink( lock->lock );  in filelock_lock()
344     unlink( lock->temp );  in filelock_lock()
350 filelock_release( FileLock*  lock )  in filelock_release()  argument
352     if (lock->locked) {  in filelock_release()
354         path_delete_file( (char*)lock->temp );  in filelock_release()
355         rmdir( (char*)lock->lock );  in filelock_release()
357         unlink( (char*)lock->lock );  in filelock_release()
359         lock->locked = 0;  in filelock_release()
366   FileLock*  lock;  in filelock_atexit()  local
368   for (lock = _all_filelocks; lock != NULL; lock = lock->next)  in filelock_atexit()
369      filelock_release( lock );  in filelock_atexit()
385     FileLock*  lock = malloc(total_len);  in filelock_create()  local
387     lock->file = (const char*)(lock + 1);  in filelock_create()
388     memcpy( (char*)lock->file, file, file_len+1 );  in filelock_create()
390     lock->lock = lock->file + file_len + 1;  in filelock_create()
391     memcpy( (char*)lock->lock, file, file_len+1 );  in filelock_create()
392     strcat( (char*)lock->lock, LOCK_NAME );  in filelock_create()
394     lock->temp    = (char*)lock->lock + lock_len + 1;  in filelock_create()
396     snprintf( (char*)lock->temp, temp_len, "%s\\" PIDFILE_NAME, lock->lock );  in filelock_create()
398     lock->temp[0] = 0;  in filelock_create()
400     lock->locked = 0;  in filelock_create()
402     if (filelock_lock(lock) < 0) {  in filelock_create()
403         free(lock);  in filelock_create()
407     lock->next     = _all_filelocks;  in filelock_create()
408     _all_filelocks = lock;  in filelock_create()
410     if (lock->next == NULL)  in filelock_create()
413     return lock;  in filelock_create()