at_quick_exit3
Registers a cleanup function to run on quick exit
Usage
#include <stdlib.h>
int
at_quick_exit(void (*func)(void));
Library
Standard C Library (libc, -lc)
Overview
The at_quick_exit() function registers a cleanup function to be called when the program exits as a result of calling quick_exit(3). The cleanup functions are called in the reverse order and will not be called if the program exits by calling exit(3), _Exit(3), or abort(3).
Return values
The at_quick_exit() function returns the value 0 if successful and a non-zero value on failure.
Releases
Unchanged in 13 releases since macOS 15.0.