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Diffstat (limited to '04_exercise/rwlock/rwlock.h')
| -rw-r--r-- | 04_exercise/rwlock/rwlock.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/04_exercise/rwlock/rwlock.h b/04_exercise/rwlock/rwlock.h new file mode 100644 index 0000000..aa27f09 --- /dev/null +++ b/04_exercise/rwlock/rwlock.h @@ -0,0 +1,16 @@ +// +// Created by stefan on 11.06.20. +// + +#ifndef BETRIEBSYSTEME_RWLOCK_H +#define BETRIEBSYSTEME_RWLOCK_H +#include <stdatomic.h> + +static const char RW_WRITE_LOCKED = -1; +static const char RW_UNLOCKED = 0; +void rwLockWrite(atomic_char *lock); +void rwUnlockWrite(atomic_char *lock); +void rwLockRead(atomic_char *lock); +void rwUnlockRead(atomic_char *lock); + +#endif // BETRIEBSYSTEME_RWLOCK_H |