/* NetWare can not use this implementation of abort. It provides its
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/* NetWare can not use this implementation of abort. It provides its
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own version of abort in clib.nlm. If we can not use clib.nlm, then
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own version of abort in clib.nlm. If we can not use clib.nlm, then
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we must write abort in sys/netware. */
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we must write abort in sys/netware. */
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#ifdef ABORT_PROVIDED
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#ifdef ABORT_PROVIDED
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int _dummy_abort = 1;
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int _dummy_abort = 1;
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#else
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#else
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/*
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/*
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FUNCTION
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FUNCTION
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<<abort>>---abnormal termination of a program
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<<abort>>---abnormal termination of a program
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INDEX
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INDEX
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abort
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abort
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ANSI_SYNOPSIS
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ANSI_SYNOPSIS
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#include <stdlib.h>
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#include <stdlib.h>
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void abort(void);
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void abort(void);
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TRAD_SYNOPSIS
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TRAD_SYNOPSIS
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#include <stdlib.h>
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#include <stdlib.h>
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void abort();
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void abort();
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DESCRIPTION
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DESCRIPTION
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Use <<abort>> to signal that your program has detected a condition it
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Use <<abort>> to signal that your program has detected a condition it
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cannot deal with. Normally, <<abort>> ends your program's execution.
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cannot deal with. Normally, <<abort>> ends your program's execution.
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|
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Before terminating your program, <<abort>> raises the exception <<SIGABRT>>
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Before terminating your program, <<abort>> raises the exception <<SIGABRT>>
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(using `<<raise(SIGABRT)>>'). If you have used <<signal>> to register
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(using `<<raise(SIGABRT)>>'). If you have used <<signal>> to register
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an exception handler for this condition, that handler has the
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an exception handler for this condition, that handler has the
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opportunity to retain control, thereby avoiding program termination.
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opportunity to retain control, thereby avoiding program termination.
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In this implementation, <<abort>> does not perform any stream- or
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In this implementation, <<abort>> does not perform any stream- or
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file-related cleanup (the host environment may do so; if not, you can
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file-related cleanup (the host environment may do so; if not, you can
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arrange for your program to do its own cleanup with a <<SIGABRT>>
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arrange for your program to do its own cleanup with a <<SIGABRT>>
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exception handler).
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exception handler).
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RETURNS
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RETURNS
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<<abort>> does not return to its caller.
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<<abort>> does not return to its caller.
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PORTABILITY
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PORTABILITY
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ANSI C requires <<abort>>.
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ANSI C requires <<abort>>.
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Supporting OS subroutines required: <<_exit>> and optionally, <<write>>.
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Supporting OS subroutines required: <<_exit>> and optionally, <<write>>.
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*/
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*/
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#include <stdlib.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <signal.h>
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#include <signal.h>
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_VOID
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_VOID
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_DEFUN_VOID (abort)
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_DEFUN_VOID (abort)
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{
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{
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#ifdef ABORT_MESSAGE
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#ifdef ABORT_MESSAGE
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write (2, "Abort called\n", sizeof ("Abort called\n")-1);
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write (2, "Abort called\n", sizeof ("Abort called\n")-1);
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#endif
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#endif
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while (1)
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while (1)
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{
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{
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raise (SIGABRT);
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raise (SIGABRT);
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_exit (1);
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_exit (1);
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}
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}
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}
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}
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#endif
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#endif
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