Hello,
i am using the sigaction function to handle the SIGCHLD signal.Is it possible to use a class member function as the handler function (the sa_handler member of the sigaction structure)?
The function's signature is:
void (*sa_handler)(int);so i don't think i can use a static member function... (2 Replies)
im just trying to have some fun and kill some time writing a c++ program that has a person type in a car make and model then gives them a year and a price. or something like that. i always have problems getting it goin but once the ball is rolling im usually pretty good. anyone wanna help me out? ... (1 Reply)
I have the following class and thought that when I call the set command to set a member, I always use value. Would that be fine?
class ModMisfit {
protected:
Real dtau;
Real mdacc;
Real mindist;
bool hw;
Source** src;
public:
void ... (7 Replies)
Hi,
I believe the next code is wrong:
class Egg {
Egg e;
int i;
Egg(int ii=0) : i(ii) {}
};
because you would end up with an endless definition (memory allocation) of Egg objects, thus int i.
Ok, so God Eckel proposes for a singleton:
class Egg {
static Egg e;
int... (5 Replies)
Hi all!
I am trying to register a device in an existing device class, but I am
having trouble getting the pointer to an existing class.
I can create a class in a module, get the pointer to it and then use
it to register the device with:
*cl = class_create(THIS_MODULE, className);... (0 Replies)
I have the two class definition as follows.
class A { public: int a; };
class B : virtual public A{ };
The size of class A is shown as 4, and size of class B is shown as 16. Why is this effect ?. (2 Replies)
There is base class B, and two derived classes D1 and D2 derived from Base. Base class B, have two data members ( public or protected or private or if any). D1 should inherit both these data members, and D2 should be deriving only one member from Base class. Is this kind of design possible without... (1 Reply)
Hello All,
I am a learner in C++. I was testing my inheritance knowledge with following piece of code.
#include <iostream>
using namespace std;
class base
{
public :
void display()
{
cout << "In base display()" << endl;
}
void display(int k)
{... (2 Replies)
Discussion started by: anand.shah
2 Replies
LEARN ABOUT PHP
runkit_method_add
RUNKIT_METHOD_ADD(3) 1 RUNKIT_METHOD_ADD(3)runkit_method_add - Dynamically adds a new method to a given classSYNOPSIS
bool runkit_method_add (string $classname, string $methodname, string $args, string $code, [int $flags = RUNKIT_ACC_PUBLIC])
DESCRIPTION
Warning
This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in
a future release of PHP. This function should be used at your own risk.
PARAMETERS
o $classname
- The class to which this method will be added
o $methodname
- The name of the method to add
o $args
- Comma-delimited list of arguments for the newly-created method
o $code
- The code to be evaluated when $methodname is called
o $flags
- The type of method to create, can be RUNKIT_ACC_PUBLIC, RUNKIT_ACC_PROTECTED or RUNKIT_ACC_PRIVATE
Note
This parameter is only used as of PHP 5, because, prior to this, all methods were public.
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
runkit_method_add(3) example
<?php
class Example {
function foo() {
echo "foo!
";
}
}
// create an Example object
$e = new Example();
// Add a new public method
runkit_method_add(
'Example',
'add',
'$num1, $num2',
'return $num1 + $num2;',
RUNKIT_ACC_PUBLIC
);
// add 12 + 4
echo $e->add(12, 4);
?>
The above example will output:
16
SEE ALSO runkit_method_copy(3), runkit_method_redefine(3), runkit_method_remove(3), runkit_method_rename(3), runkit_function_add(3).
PHP Documentation Group RUNKIT_METHOD_ADD(3)