| Program termination | ||||||
| Unreachable control flow | ||||||
(C23) | ||||||
| Communicating with the environment | ||||||
| ||||||
| Memory alignment query | ||||||
(C23) | ||||||
| Signals | ||||||
| Signal types | ||||||
| Non-local jumps | ||||||
| Types | ||||||
Defined in header <stdlib.h> | ||
_Noreturnvoid quick_exit(int exit_code); | (since C11) (until C23) | |
[[noreturn]]void quick_exit(int exit_code); | (since C23) | |
Causes normal program termination to occur without completely cleaning the resources.
Functions passed toat_quick_exit are called in reverse order of their registration. After calling the registered functions, calls_Exit(exit_code).
Functions passed toatexit or signal handlers passed tosignal are not called.
Contents |
| exit_code | - | exit status of the program |
(none)
#include <stdlib.h>#include <stdio.h> void f1(void){puts("pushed first");fflush(stdout);} void f2(void){puts("pushed second");} void f3(void){puts("won't be called");} int main(void){at_quick_exit(f1);at_quick_exit(f2);atexit(f3); quick_exit(0);}
Output:
pushed secondpushed first
| causes abnormal program termination (without cleaning up) (function)[edit] | |
| registers a function to be called onexit() invocation (function)[edit] | |
(C11) | registers a function to be called onquick_exit invocation (function)[edit] |
C++ documentation forquick_exit | |
