quick_exit

quick_exit

Defined in header <stdlib.h>
_Noreturn void quick_exit( int exit_code );		(since C11)

Causes normal program termination to occur without completely cleaning the resources.

Functions passed to at_quick_exit are called in reverse order of their registration. After calling the registered functions, calls _Exit(exit_code).

Parameters

exit_code

-

exit status of the program

Return value

(none).

Example

#include <stdlib.h>
#include <stdio.h>
 
void f1(void)
{
    puts("pushed first");
    fflush(stdout);
}
 
void f2(void)
{
    puts("pushed second");
}
 
int main(void)
{
    at_quick_exit(f1);
    at_quick_exit(f2);
    quick_exit(0);
}

Output:

pushed second
pushed first

References

C11 standard (ISO/IEC 9899:2011):

• 7.22.4.7 The quick_exit function (p: 353)

See also

abort	causes abnormal program termination (without cleaning up) (function)
atexit	registers a function to be called on exit() invocation (function)
at_quick_exit (C11)	registers a function to be called on quick_exit invocation (function)

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