utl::Semaphore Class Reference
Counter for resources shared between threads. More...
#include <Semaphore.h>
Inheritance diagram for utl::Semaphore:
Public Member Functions | |
| Semaphore (uint_t count) | |
| Constructor. More... | |
| bool | trydown () |
| Try to decrement the count (without blocking). More... | |
| void | down () |
| Block until count is non-zero and decrement count. More... | |
| void | up () |
| Increment the count. More... | |
| void | tryP () |
| Alias for trydown(). More... | |
| void | P () |
| Alias for down(). More... | |
| void | V () |
| Alias for up(). More... | |
 Public Member Functions inherited from utl::Object | |
| void | clear () |
| Revert to initial state. More... | |
| virtual int | compare (const Object &rhs) const |
| Compare with another object. More... | |
| virtual void | copy (const Object &rhs) |
| Copy another instance. More... | |
| virtual void | vclone (const Object &rhs) |
| Make an exact copy of another instance. More... | |
| virtual void | steal (Object &rhs) |
| "Steal" the internal representation from another instance. More... | |
| virtual void | dump (Stream &os, uint_t level=uint_t_max) const |
| Dump a human-readable representation of self to the given output stream. More... | |
| void | dumpWithClassName (Stream &os, uint_t indent=4, uint_t level=uint_t_max) const |
| Front-end for dump() that prints the object's class name. More... | |
| virtual const Object & | getKey () const |
| Get the key for this object. More... | |
| bool | hasKey () const |
| Determine whether or not the object has a key. More... | |
| virtual const Object & | getProxiedObject () const |
| Get the proxied object (= self if none). More... | |
| virtual Object & | getProxiedObject () |
| Get the proxied object (= self if none). More... | |
| virtual size_t | hash (size_t size) const |
| Get the hash code for the object. More... | |
| bool | _isA (const RunTimeClass *runTimeClass) const |
| Determine whether self's class is a descendent of the given class. More... | |
| virtual String | toString () const |
| Return a string representation of self. More... | |
| operator String () const | |
| Conversion to String. More... | |
| size_t | allocatedSize () const |
| Get the total allocated size of this object. More... | |
| virtual size_t | innerAllocatedSize () const |
| Get the "inner" allocated size. More... | |
| virtual void | addOwnedIt (const class FwdIt *it) const |
| Notify self that it owns the given iterator. More... | |
| virtual void | removeOwnedIt (const class FwdIt *it) const |
| Notify self that the given owned iterator has been destroyed. More... | |
| bool | operator< (const Object &rhs) const |
| Less-than operator. More... | |
| bool | operator<= (const Object &rhs) const |
| Less-than-or-equal-to operator. More... | |
| bool | operator> (const Object &rhs) const |
| Greater-than operator. More... | |
| bool | operator>= (const Object &rhs) const |
| Greater-than-or-equal-to operator. More... | |
| bool | operator== (const Object &rhs) const |
| Equal-to operator. More... | |
| bool | operator!= (const Object &rhs) const |
| Unequal-to operator. More... | |
| void | serializeIn (Stream &is, uint_t mode=ser_default) |
| Serialize from an input stream. More... | |
| void | serializeOut (Stream &os, uint_t mode=ser_default) const |
| Serialize to an output stream. More... | |
| virtual void | serialize (Stream &stream, uint_t io, uint_t mode=ser_default) |
| Serialize to or from a stream. More... | |
| void | serializeOutBoxed (Stream &os, uint_t mode=ser_default) const |
| Serialize a boxed object to an output stream. More... | |
| Public Member Functions inherited from utl::NamedObjectMI | |
| NamedObjectMI () | |
| Constructor. | |
| NamedObjectMI (const String &name) | |
| Constructor. More... | |
| void | clear () |
| Clear the name. More... | |
| const String & | getName () const |
| Get the name. More... | |
| const String * | getNamePtr () const |
| Get the address of the name. More... | |
| void | setName (const String &name) |
| Set the name. More... | |
Additional Inherited Members | |
| Static Public Member Functions inherited from utl::Object | |
| static Object * | serializeInNullable (Stream &is, uint_t mode=ser_default) |
| Serialize a nullptr-able object from an input stream. More... | |
| static void | serializeOutNullable (const Object *object, Stream &os, uint_t mode=ser_default) |
| Serialize a nullptr-able object to an output stream. More... | |
| static void | serializeNullable (Object *&object, Stream &stream, uint_t io, uint_t mode=ser_default) |
| Serialize a nullptr-able object to or from a stream. More... | |
| static Object * | serializeInBoxed (Stream &is, uint_t mode=ser_default) |
| Serialize a boxed object from an input stream. More... | |
| static void | serializeBoxed (Object *&object, Stream &stream, uint_t io, uint_t mode=ser_default) |
| Serialize a boxed object to or from a stream. More... | |
Detailed Description
Counter for resources shared between threads.
Definition at line 23 of file Semaphore.h.
Constructor & Destructor Documentation
◆ Semaphore()
|
inline |
Constructor.
- Parameters
-
count initial counter value
Definition at line 33 of file Semaphore.h.
References utl::init().
Member Function Documentation
◆ trydown()
| bool utl::Semaphore::trydown | ( | ) |
Try to decrement the count (without blocking).
- Returns
- true if count decremented, false otherwise
◆ down()
| void utl::Semaphore::down | ( | ) |
Block until count is non-zero and decrement count.
◆ up()
| void utl::Semaphore::up | ( | ) |
Increment the count.
◆ tryP()
|
inline |
Alias for trydown().
Definition at line 52 of file Semaphore.h.
◆ P()
|
inline |
Alias for down().
Definition at line 59 of file Semaphore.h.
◆ V()
|
inline |
Alias for up().
Definition at line 66 of file Semaphore.h.
References utl::count(), utl::deInit(), and utl::init().
The documentation for this class was generated from the following file:
