This class defines an object that provides exclusive access to the critical sections defined by this component's macros.

Synopsis

Declared in <bslmt_testutil.h>

class TestUtil_Guard;

Description

Multiple Guard objects can exist at once, but only in the same thread ‐‐ if an attempt is made to construct a Guard while any Guard`s exist in other threads, the constructor will block until all `Guard objects in other threads are destroyed. The behavior is undefined if a Guard object is anywhere but on the stack.

Type Aliases

Name

Description

BoolType

Type used to provide a testable bool conversion for this object.

Member Functions

Name

Description

TestUtil_Guard [constructor]

Create a guard that locks the mutex in the singleton and saves the address of the singleton mutex.

~TestUtil_Guard [destructor]

Unlock the recursive mutex that was locked by the constructor.

operator=

Set the boolean state of this object to the specified rhs.

operator TestUtil_Guard::BoolType

Return the boolean state of this TestUtil_Guard object.

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