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raise

Sends a signal to the executing program.

int raise(
   int sig 
);

sig

Signal to be raised.

If successful, raise returns 0. Otherwise, it returns a nonzero value.

The raise function sends sig to the executing program. If a previous call to signal has installed a signal-handling function for sig, raise executes that function. If no handler function has been installed, the default action associated with the signal value sig is taken, as follows.

Signal

Meaning

Default

SIGABRT

Abnormal termination

Terminates the calling program with exit code 3

SIGFPE

Floating-point error

Terminates the calling program

SIGILL

Illegal instruction

Terminates the calling program

SIGINT

CTRL+C interrupt

Terminates the calling program

SIGSEGV

Illegal storage access

Terminates the calling program

SIGTERM

Termination request sent to the program

Ignores the signal

If the argument is not a valid signal as specified above, the invalid parameter handler is invoked, as described in Parameter Validation. If not handled, the function sets errno to EINVAL and returns a nonzero value.

Routine

Required header

raise

<signal.h>

For additional compatibility information, see Compatibility in the Introduction.

Libraries

All versions of the C run-time libraries.

Not applicable. To call the standard C function, use PInvoke. For more information, see Platform Invoke Examples.

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