src/Unix/sigsegv.h

/*
 *  sigsegv.h - SIGSEGV signals support
 *
 *  Derived from Bruno Haible's work on his SIGSEGV library for clisp
 *  <http://clisp.sourceforge.net/>
 *
 *  Basilisk II (C) 1997-2001 Christian Bauer
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef SIGSEGV_H
#define SIGSEGV_H

// Address type
typedef char * sigsegv_address_t;

// Type of a SIGSEGV handler. Returns boolean expressing successful operation
typedef bool (*sigsegv_handler_t)(sigsegv_address_t fault_address, sigsegv_address_t instruction_address);

// Install a SIGSEGV handler. Returns boolean expressing success
extern bool sigsegv_install_handler(sigsegv_handler_t handler);

// Remove the user SIGSEGV handler, revert to default behavior
extern void sigsegv_uninstall_handler(void);

// Define an address that is bound to be invalid for a program counter
const sigsegv_address_t SIGSEGV_INVALID_PC = (sigsegv_address_t)(-1);

#endif /* SIGSEGV_H */
Revision:	1.1
Committed:	2001-05-20T20:31:50Z (23 years, 6 months ago) by gbeauche
Content type:	text/plain
Branch:	MAIN
CVS Tags:	snapshot-29052001, release-0_9-1
Log Message:	- new and updated SIGSEGV support functions: + configure script cleanups + possible support for Direct Addressing / VOSF on other platforms
#	User	Rev	Content
1	gbeauche	1.1	/*
2			* sigsegv.h - SIGSEGV signals support
3			*
4			* Derived from Bruno Haible's work on his SIGSEGV library for clisp
5			* <http://clisp.sourceforge.net/>
6			*
7			* Basilisk II (C) 1997-2001 Christian Bauer
8			*
9			* This program is free software; you can redistribute it and/or modify
10			* it under the terms of the GNU General Public License as published by
11			* the Free Software Foundation; either version 2 of the License, or
12			* (at your option) any later version.
13			*
14			* This program is distributed in the hope that it will be useful,
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17			* GNU General Public License for more details.
18			*
19			* You should have received a copy of the GNU General Public License
20			* along with this program; if not, write to the Free Software
21			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22			*/
23
24			#ifndef SIGSEGV_H
25			#define SIGSEGV_H
26
27			// Address type
28			typedef char * sigsegv_address_t;
29
30			// Type of a SIGSEGV handler. Returns boolean expressing successful operation
31			typedef bool (*sigsegv_handler_t)(sigsegv_address_t fault_address, sigsegv_address_t instruction_address);
32
33			// Install a SIGSEGV handler. Returns boolean expressing success
34			extern bool sigsegv_install_handler(sigsegv_handler_t handler);
35
36			// Remove the user SIGSEGV handler, revert to default behavior
37			extern void sigsegv_uninstall_handler(void);
38
39			// Define an address that is bound to be invalid for a program counter
40			const sigsegv_address_t SIGSEGV_INVALID_PC = (sigsegv_address_t)(-1);
41
42			#endif /* SIGSEGV_H */