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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:34:54 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:34:54 +0000 |
commit | 0915b3ef56dfac3113cce55a59a5765dc94976be (patch) | |
tree | a8fea11d50b4f083e1bf0f90025ece7f0824784a /lib/base/objectlock.cpp | |
parent | Initial commit. (diff) | |
download | icinga2-upstream.tar.xz icinga2-upstream.zip |
Adding upstream version 2.13.6.upstream/2.13.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/base/objectlock.cpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/base/objectlock.cpp b/lib/base/objectlock.cpp new file mode 100644 index 0000000..fc0c7c6 --- /dev/null +++ b/lib/base/objectlock.cpp @@ -0,0 +1,55 @@ +/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */ + +#include "base/objectlock.hpp" +#include <thread> + +using namespace icinga; + +#define I2MUTEX_UNLOCKED 0 +#define I2MUTEX_LOCKED 1 + +ObjectLock::~ObjectLock() +{ + Unlock(); +} + +ObjectLock::ObjectLock(const Object::Ptr& object) + : ObjectLock(object.get()) +{ +} + +ObjectLock::ObjectLock(const Object *object) + : m_Object(object), m_Locked(false) +{ + if (m_Object) + Lock(); +} + +void ObjectLock::Lock() +{ + ASSERT(!m_Locked && m_Object); + + m_Object->m_Mutex.lock(); + + m_Locked = true; + +#ifdef I2_DEBUG + if (++m_Object->m_LockCount == 1u) { + m_Object->m_LockOwner.store(std::this_thread::get_id()); + } +#endif /* I2_DEBUG */ +} + +void ObjectLock::Unlock() +{ +#ifdef I2_DEBUG + if (m_Locked && !--m_Object->m_LockCount) { + m_Object->m_LockOwner.store(decltype(m_Object->m_LockOwner.load())()); + } +#endif /* I2_DEBUG */ + + if (m_Locked) { + m_Object->m_Mutex.unlock(); + m_Locked = false; + } +} |