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/* NetWare can not use this implementation of abort.  It provides its

   own version of abort in clib.nlm.  If we can not use clib.nlm, then

   we must write abort in sys/netware.  */

#ifdef ABORT_PROVIDED

int _dummy_abort = 1;

#else

/*

FUNCTION

<<abort>>---abnormal termination of a program

INDEX

        abort

ANSI_SYNOPSIS

        #include <stdlib.h>

        void abort(void);

TRAD_SYNOPSIS

        #include <stdlib.h>

        void abort();

DESCRIPTION

Use <<abort>> to signal that your program has detected a condition it

cannot deal with.  Normally, <<abort>> ends your program's execution.

Before terminating your program, <<abort>> raises the exception <<SIGABRT>>

(using `<<raise(SIGABRT)>>').  If you have used <<signal>> to register

an exception handler for this condition, that handler has the

opportunity to retain control, thereby avoiding program termination.

In this implementation, <<abort>> does not perform any stream- or

file-related cleanup (the host environment may do so; if not, you can

arrange for your program to do its own cleanup with a <<SIGABRT>>

exception handler).

RETURNS

<<abort>> does not return to its caller.

PORTABILITY

ANSI C requires <<abort>>.

Supporting OS subroutines required: <<_exit>> and optionally, <<write>>.

*/

#include <stdlib.h>

#include <unistd.h>

#include <signal.h>

_VOID

_DEFUN_VOID (abort)

{

#ifdef ABORT_MESSAGE

  write (2, "Abort called\n", sizeof ("Abort called\n")-1);

#endif

  while (1)

    {

      raise (SIGABRT);

      _exit (1);

    }

}

#endif