Difference between revisions of "cpp/utility/program"

Revision as of 06:10, 16 July 2011

The following functions manage program termination and resource cleanup.

Defined in header `<cstdlib>`
abort	causes abnormal program termination (without cleaning up) (function) [edit]
exit	causes normal program termination with cleaning up (function) [edit]
quick_exit (C++11)	causes quick program termination without completely cleaning up (function) [edit]
_Exit (C++11)	causes normal program termination without cleaning up (function) [edit]
atexit	registers a function to be called on std::exit() invocation (function) [edit]
at_quick_exit (C++11)	registers a function to be called on std::quick_exit invocation (function) [edit]
Execution outcome indicators

p

system	calls the host environment's command processor (function) [edit]
getenv	access to the list of environment variables (function) [edit]

Several functions and macro constants for signal management are provided.

Defined in header `<csignal>`
signal	sets a signal handler for particular signal (function) [edit]
raise	runs the signal handler for particular signal (function) [edit]
Signal handling strategies
SIG_ERR	return value of `signal` specifying that an error was encountered (macro constant) [edit]
Signal types

Types
jmp_buf	execution context type (typedef) [edit]
Functions
setjmp	saves the context (function macro) [edit]
longjmp	jumps to specified location (function) [edit]

@@ Line 6: / Line 6: @@
 {{dcl list begin}}
-{{dcl list h1 | Functions}}
 {{dcl list header | cstdlib}}
 {{dcl list template | cpp/utility/program/dcl list abort}}
@@ Line 15: / Line 14: @@
 {{dcl list template | cpp/utility/program/dcl list at_quick_exit}}
-{{dcl list h1 | Macro constants}}
+{{dcl list h2 | Execution outcome indicators}}
 {{dcl list template | cpp/utility/program/dcl list EXIT_SUCCESS}}
 {{dcl list template | cpp/utility/program/dcl list EXIT_FAILURE}}
 {{dcl list end}}
+p
 ==Communicating with the environment==