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Make use of the wait status field so it can be provided in Notify() and then

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read out in the ConditionVariableEntry::WaitStatus(). That way you can notify
with a specific status that can be read out on the other end.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33718 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Lotz
2009-10-21 23:44:59 +00:00
parent ec39794897
commit 5ee1f125e5
2 changed files with 25 additions and 14 deletions
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headers/private/kernel/condition_variable.h
+14 -9
View File
@@ -32,7 +32,9 @@ public:
status_t Wait(const void* object, uint32 flags = 0,
bigtime_t timeout = 0);
inline ConditionVariable* Variable() const { return fVariable; }
inline status_t WaitStatus() const { return fWaitStatus; }
inline ConditionVariable* Variable() const { return fVariable; }
private:
inline void AddToVariable(ConditionVariable* variable);
@@ -56,8 +58,10 @@ public:
const char* objectType);
void Unpublish(bool threadsLocked = false);
inline void NotifyOne(bool threadsLocked = false);
inline void NotifyAll(bool threadsLocked = false);
inline void NotifyOne(bool threadsLocked = false,
status_t result = B_OK);
inline void NotifyAll(bool threadsLocked = false,
status_t result = B_OK);
void Add(ConditionVariableEntry* entry);
@@ -72,8 +76,9 @@ public:
void Dump() const;
private:
void _Notify(bool all, bool threadsLocked);
void _NotifyChecked(bool all, status_t result);
void _Notify(bool all, bool threadsLocked,
status_t result);
void _NotifyLocked(bool all, status_t result);
protected:
typedef DoublyLinkedList<ConditionVariableEntry> EntryList;
@@ -109,16 +114,16 @@ ConditionVariableEntry::~ConditionVariableEntry()
inline void
ConditionVariable::NotifyOne(bool threadsLocked)
ConditionVariable::NotifyOne(bool threadsLocked, status_t result)
{
_Notify(false, threadsLocked);
_Notify(false, threadsLocked, result);
}
inline void
ConditionVariable::NotifyAll(bool threadsLocked)
ConditionVariable::NotifyAll(bool threadsLocked, status_t result)
{
_Notify(true, threadsLocked);
_Notify(true, threadsLocked, result);
}