gforth/engine/signals.c - diff

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version 1.21, 2003/01/19 23:35:34	version 1.23, 2003/02/01 14:28:07
Line 1	Line 1
/* signal handling	/* signal handling

Copyright (C) 1995-2003 Free Software Foundation, Inc.	Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc.

This file is part of Gforth.	This file is part of Gforth.

Line 374 void install_signal_handlers(void)	Line 374 void install_signal_handlers(void)
int sas_retval=-1;	int sas_retval=-1;

sigstack.ss_size=SIGSTKSZ;	sigstack.ss_size=SIGSTKSZ;
if ((sigstack.ss_sp = my_alloc(sigstack.ss_size)) != NULL) {	/* Actually the stack should only be ss_size large, and according to
	SUSv2 ss_sp should point to the start of the stack, but
	unfortunately Irix 6.5 (at least) expects ss_sp to point to the
	end, so we work around this issue by accomodating everyone. */
	if ((sigstack.ss_sp = my_alloc(sigstack.ss_size*2)) != NULL) {
	sigstack.ss_sp += sigstack.ss_size;
sigstack.ss_flags=0;	sigstack.ss_flags=0;
sas_retval=sigaltstack(&sigstack,(stack_t *)0);	sas_retval=sigaltstack(&sigstack,(stack_t *)0);
}	}