diff options
Diffstat (limited to 'Platform/Unix/SyncEvent.cpp')
-rw-r--r-- | Platform/Unix/SyncEvent.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/Platform/Unix/SyncEvent.cpp b/Platform/Unix/SyncEvent.cpp new file mode 100644 index 0000000..fbf8300 --- /dev/null +++ b/Platform/Unix/SyncEvent.cpp @@ -0,0 +1,68 @@ +/* + Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved. + + Governed by the TrueCrypt License 3.0 the full text of which is contained in + the file License.txt included in TrueCrypt binary and source code distribution + packages. +*/ + +#include "Platform/Exception.h" +#include "Platform/SyncEvent.h" +#include "Platform/SystemException.h" + +namespace TrueCrypt +{ + SyncEvent::SyncEvent () + { + int status = pthread_cond_init (&SystemSyncEvent, nullptr); + if (status != 0) + throw SystemException (SRC_POS, status); + + Signaled = false; + Initialized = true; + } + + SyncEvent::~SyncEvent () + { +#ifdef DEBUG + int status = +#endif + pthread_cond_destroy (&SystemSyncEvent); + +#ifdef DEBUG + if (status != 0) + SystemLog::WriteException (SystemException (SRC_POS, status)); +#endif + + Initialized = false; + } + + void SyncEvent::Signal () + { + assert (Initialized); + + ScopeLock lock (EventMutex); + + Signaled = true; + + int status = pthread_cond_signal (&SystemSyncEvent); + if (status != 0) + throw SystemException (SRC_POS, status); + } + + void SyncEvent::Wait () + { + assert (Initialized); + + ScopeLock lock (EventMutex); + + while (!Signaled) + { + int status = pthread_cond_wait (&SystemSyncEvent, EventMutex.GetSystemHandle()); + if (status != 0) + throw SystemException (SRC_POS, status); + } + + Signaled = false; + } +} |