Program support utilities
Program termination
The following functions manage program termination and resource cleanup.
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Defined in header
<cstdlib> |
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| causes abnormal program termination (without cleaning up) (function) |
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| causes normal program termination with cleaning up (function) |
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(C++11)
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causes quick program termination without completely cleaning up (function) |
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(C++11)
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causes normal program termination without cleaning up (function) |
| registers a function to be called on std::exit() invocation (function) |
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(C++11)
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registers a function to be called on std::quick_exit invocation (function) |
| indicates program execution status (macro constant) |
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Unreachable control flow
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Defined in header
<utility> |
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(C++23)
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marks unreachable point of execution (function) |
Communicating with the environment
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Defined in header
<cstdlib> |
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| calls the host environment's command processor (function) |
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| access to the list of environment variables (function) |
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Signals
Several functions and macro constants for signal management are provided.
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Defined in header
<csignal> |
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| sets a signal handler for particular signal (function) |
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| runs the signal handler for particular signal (function) |
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| the integer type that can be accessed as an atomic entity from an asynchronous signal handler (typedef) |
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| defines signal handling strategies (macro constant) |
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| return value of signal specifying that an error was encountered (macro constant) |
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Signal types |
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| defines signal types (macro constant) |
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Non-local jumps
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Defined in header
<csetjmp> |
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| saves the context (function macro) |
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| jumps to specified location (function) |
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Types |
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| execution context type (typedef) |
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