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Added InitCheck() method.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29487 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2009-03-13 02:05:10 +00:00
parent b32211a457
commit f451e14bc2
2 changed files with 12 additions and 3 deletions
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headers/os/support/Locker.h
+2
View File
@@ -17,6 +17,8 @@ class BLocker {
BLocker(const char* name, bool benaphoreStyle); BLocker(const char* name, bool benaphoreStyle);
virtual ~BLocker(); virtual ~BLocker();
status_t InitCheck() const;
bool Lock(void); bool Lock(void);
status_t LockWithTimeout(bigtime_t timeout); status_t LockWithTimeout(bigtime_t timeout);
void Unlock(void); void Unlock(void);
src/kits/support/Locker.cpp
+10 -3
View File
@@ -93,6 +93,13 @@ BLocker::~BLocker()
} }
status_t
BLocker::InitCheck() const
{
return fSemaphoreID >= 0 ? B_OK : fSemaphoreID;
}
bool bool
BLocker::Lock(void) BLocker::Lock(void)
{ {
@@ -141,7 +148,7 @@ BLocker::Unlock(void)
release_sem(fSemaphoreID); release_sem(fSemaphoreID);
} }
} }
} }
} }
@@ -206,7 +213,7 @@ BLocker::InitLocker(const char *name, bool benaphore)
// The lock is currently not acquired so there is no owner. // The lock is currently not acquired so there is no owner.
fLockOwner = B_ERROR; fLockOwner = B_ERROR;
// The lock is currently not acquired so the recursive count is zero. // The lock is currently not acquired so the recursive count is zero.
fRecursiveCount = 0; fRecursiveCount = 0;
} }
@@ -272,7 +279,7 @@ BLocker::AcquireLock(bigtime_t timeout, status_t *error)
} }
} }
// If the lock has successfully been acquired. // If the lock has successfully been acquired.
if (status == B_OK) { if (status == B_OK) {
// Set the lock owner to this thread and increment the recursive count // Set the lock owner to this thread and increment the recursive count
// by one. The recursive count is incremented because one more Unlock() // by one. The recursive count is incremented because one more Unlock()