C process control: Difference between revisions

Revision as of 15:29, 25 November 2011

Revision as of 12:08, 13 January 2012

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{{C Standard Library}}

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The process control functions are defined in the <code>stdlib.h</code> header (<code>cstdlib</code> header in C++).

{| class="wikitable" style="font-size:0.85em"

; Terminating a program

!

*{{anchor|abort}}<code>[http://en.cppreference.com/w/cpp/utility/program/abort abort]</code> - causes abnormal program termination (without cleaning up)

! Function

*{{anchor|exit}}<code>[http://en.cppreference.com/w/cpp/utility/program/exit exit]</code> - causes normal program termination with cleaning up

! Description

*{{anchor|_Exit}}<code>[http://en.cppreference.com/w/cpp/utility/program/_Exit _Exit]</code> - causes normal program termination without cleaning up

|-

*{{anchor|atexit}}<code>[http://en.cppreference.com/w/cpp/utility/program/atexit atexit]</code> - registers a function to be called on exit() invocation

;! rowspan=4 | Terminating a program

*| {{anchor|abort}}<code>[http://en.cppreference.com/w/cpp/utility/program/abort abort]</code> - causes abnormal program termination (without cleaning up)

; Communicating with the environment

| causes abnormal program termination (without cleaning up)

*{{anchor|getenv}}<code>[http://en.cppreference.com/w/cpp/utility/program/getenv getenv]</code> - accesses the list of the environment variables

|-

*{{anchor|system}}<code>[http://en.cppreference.com/w/cpp/utility/program/system system]</code> - calls the host environment's command processor

*| {{anchor|exit}}<code>[http://en.cppreference.com/w/cpp/utility/program/exit exit]</code> - causes normal program termination with cleaning up

| causes normal program termination with cleaning up

|-

*| {{anchor|_Exit}}<code>[http://en.cppreference.com/w/cpp/utility/program/_Exit _Exit]</code> - causes normal program termination without cleaning up

| causes normal program termination without cleaning up

|-

*| {{anchor|atexit}}<code>[http://en.cppreference.com/w/cpp/utility/program/atexit atexit]</code> - registers a function to be called on exit() invocation

| registers a function to be called on exit() invocation

|-

;! rowspan=2 | Communicating with the environment

*| {{anchor|getenv}}<code>[http://en.cppreference.com/w/cpp/utility/program/getenv getenv]</code> - accesses the list of the environment variables

| accesses the list of the environment variables

|-

*| {{anchor|system}}<code>[http://en.cppreference.com/w/cpp/utility/program/system system]</code> - calls the host environment's command processor

| calls the host environment's command processor

|}

==References==

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[[es:Stdlib.h]]

[[fa:Stdlib.h]]