| /* machine/_arc4random.h |
| |
| This file is part of Cygwin. |
| |
| This software is a copyrighted work licensed under the terms of the |
| Cygwin license. Please consult the file "CYGWIN_LICENSE" for |
| details. */ |
| |
| #ifndef _MACHINE_ARC4RANDOM_H |
| #define _MACHINE_ARC4RANDOM_H |
| |
| extern int __isthreaded; |
| |
| #define _ARC4_LOCK_INIT __LOCK_INIT(static, _arc4random_mutex); |
| |
| #define _ARC4_LOCK() \ |
| do { \ |
| if (__isthreaded) \ |
| __lock_acquire (_arc4random_mutex); \ |
| } while (0) |
| |
| #define _ARC4_UNLOCK() \ |
| do { \ |
| if (__isthreaded) \ |
| __lock_release (_arc4random_mutex); \ |
| } while (0) |
| |
| #endif /* _MACHINE_ARC4RANDOM_H */ |
