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set_terminate

Installs your own termination routine to be called by terminate.

terminate_function set_terminate(
   terminate_function term_func 
);

Parameter

term_func
Pointer to a terminate function that you write.

Return Value

Returns a pointer to the previous function registered by set_terminate so that the previous function can be restored later. If no previous function has been set, the return value may be used to restore the default behavior; this value may be NULL.

Remarks

The set_terminate function installs term_func as the function called by terminate. set_terminate is used with C++ exception handling and may be called at any point in your program before the exception is thrown. terminate calls abort by default. You can change this default by writing your own termination function and calling set_terminate with the name of your function as its argument. terminate calls the last function given as an argument to set_terminate. After performing any desired cleanup tasks, term_func should exit the program. If it does not exit (if it returns to its caller), abort is called.

In a multithreaded environment, terminate functions are maintained separately for each thread. Each new thread needs to install its own terminate function. Thus, each thread is in charge of its own termination handling.

The terminate_function type is defined in EH.H as a pointer to a user-defined termination function, term_func, that returns void. Your custom function term_func can take no arguments and should not return to its caller. If it does, abort is called. An exception may not be thrown from within term_func.

typedef void ( *terminate_function )( );
Note   The set_terminate function only works outside the debugger.

There is a single set_terminate handler for all dynamically linked DLLs or EXEs; even if you call set_terminate your handler may be replaced by another or that you are replacing a handler set by another DLL or EXE.

Requirements

Routine Required header Compatibility
set_terminate <eh.h> ANSI, Win 98, Win Me, Win NT, Win 2000, Win XP

For additional compatibility information, see Compatibility in the Introduction.

Libraries

All versions of the C run-time libraries.

Example

See the example for terminate.

See Also

Exception Handling Routines | abort | set_unexpected | terminate | unexpected | Run-Time Routines and .NET Framework Equivalents

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