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kernel/condition_variable: Return the count of unblocked threads from Notify.

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No reason not to, and it's needed in user_mutex to avoid a very rare
potential race, anyway.
This commit is contained in:
Augustin Cavalier
2023-07-25 15:27:40 -04:00
parent 2cc89328fa
commit aca21731ff
2 changed files with 27 additions and 22 deletions
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headers/private/kernel/condition_variable.h
+11 -11
View File
@@ -58,11 +58,11 @@ public:
const char* objectType);
void Unpublish();
inline void NotifyOne(status_t result = B_OK);
inline void NotifyAll(status_t result = B_OK);
inline int32 NotifyOne(status_t result = B_OK);
inline int32 NotifyAll(status_t result = B_OK);
static void NotifyOne(const void* object, status_t result);
static void NotifyAll(const void* object, status_t result);
static int32 NotifyOne(const void* object, status_t result);
static int32 NotifyAll(const void* object, status_t result);
void Add(ConditionVariableEntry* entry);
int32 EntriesCount() { return atomic_get(&fEntriesCount); }
@@ -79,9 +79,9 @@ public:
void Dump() const;
private:
static void _Notify(const void* object, bool all, status_t result);
void _Notify(bool all, status_t result);
void _NotifyLocked(bool all, status_t result);
static int32 _Notify(const void* object, bool all, status_t result);
int32 _Notify(bool all, status_t result);
int32 _NotifyLocked(bool all, status_t result);
protected:
typedef DoublyLinkedList<ConditionVariableEntry> EntryList;
@@ -102,17 +102,17 @@ protected:
};
inline void
inline int32
ConditionVariable::NotifyOne(status_t result)
{
_Notify(false, result);
return _Notify(false, result);
}
inline void
inline int32
ConditionVariable::NotifyAll(status_t result)
{
_Notify(true, result);
return _Notify(true, result);
}