SIG_ERR

 

C

Language

Standard Library

Type support

Dynamic memory management

Error handling

Program utilities

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Thread support (C11)

Atomic operations (C11)

 

Program support utilities

Program termination
abort exit quick_exit (C++11) _Exit (C++11)	atexit at_quick_exit (C++11) EXIT_SUCCESS EXIT_FAILURE
Communicating with the environment
system	getenv
Signals
signal raise sig_atomic_t	SIG_DFL SIG_IGN SIG_ERR
Signal types
SIGABRT SIGFPE SIGILL SIGINT SIGSEGV SIGTERM
Non-local jumps
setjmp
longjmp
Types
jmp_buf

 

Defined in header <signal.h>
#define SIG_ERR /* implementation defined */

A value of type void (*)(int). When returned by signal, indicates that an error has occurred.

See also

signal	sets a signal handler for particular signal (function)
C++ documentation for SIG_ERR