fault: switch s4 to use the common fault.c

2 files changed, 1 insertions, 237 deletions

diff --git a/lib/util/fault_s4.c b/lib/util/fault_s4.c
deleted file mode 100644
index 0f902b4f84..0000000000
--- a/lib/util/fault_s4.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/*
-   Unix SMB/CIFS implementation.
-   Critical Fault handling
-   Copyright (C) Andrew Tridgell 1992-1998
-
-   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 3 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, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-#include "version.h"
-#include "system/wait.h"
-#include "system/filesys.h"
-
-/**
- * @file
- * @brief Fault handling
- */
-
-/* the registered fault handler */
-static struct {
-	const char *name;
-	void (*fault_handler)(int sig);
-} fault_handlers;
-
-static const char *progname;
-
-#ifdef HAVE_BACKTRACE
-#include <execinfo.h>
-#elif HAVE_LIBEXC_H
-#include <libexc.h>
-#endif
-
-/**
- * Write backtrace to debug log
- */
-_PUBLIC_ void call_backtrace(void)
-{
-#ifdef HAVE_BACKTRACE
-#ifndef BACKTRACE_STACK_SIZE
-#define BACKTRACE_STACK_SIZE 64
-#endif
-	void *backtrace_stack[BACKTRACE_STACK_SIZE];
-	int backtrace_size;
-	char **backtrace_strings;
-
-	/* get the backtrace (stack frames) */
-	backtrace_size = backtrace(backtrace_stack,BACKTRACE_STACK_SIZE);
-	backtrace_strings = backtrace_symbols(backtrace_stack, backtrace_size);
-
-	DEBUG(0, ("BACKTRACE: %lu stack frames:\n",
-		  (unsigned long)backtrace_size));
-
-	if (backtrace_strings) {
-		int i;
-
-		for (i = 0; i < backtrace_size; i++)
-			DEBUGADD(0, (" #%u %s\n", i, backtrace_strings[i]));
-
-		/* Leak the backtrace_strings, rather than risk what free() might do */
-	}
-
-#elif HAVE_LIBEXC
-
-#define NAMESIZE 32 /* Arbitrary */
-#ifndef BACKTRACE_STACK_SIZE
-#define BACKTRACE_STACK_SIZE 64
-#endif
-
-	/* The IRIX libexc library provides an API for unwinding the stack. See
-	 * libexc(3) for details. Apparantly trace_back_stack leaks memory, but
-	 * since we are about to abort anyway, it hardly matters.
-	 *
-	 * Note that if we paniced due to a SIGSEGV or SIGBUS (or similar) this
-	 * will fail with a nasty message upon failing to open the /proc entry.
-	 */
-	{
-		uint64_t	addrs[BACKTRACE_STACK_SIZE];
-		char *      	names[BACKTRACE_STACK_SIZE];
-		char		namebuf[BACKTRACE_STACK_SIZE * NAMESIZE];
-
-		int		i;
-		int		levels;
-
-		ZERO_ARRAY(addrs);
-		ZERO_ARRAY(names);
-		ZERO_ARRAY(namebuf);
-
-		for (i = 0; i < BACKTRACE_STACK_SIZE; i++) {
-			names[i] = namebuf + (i * NAMESIZE);
-		}
-
-		levels = trace_back_stack(0, addrs, names,
-				BACKTRACE_STACK_SIZE, NAMESIZE);
-
-		DEBUG(0, ("BACKTRACE: %d stack frames:\n", levels));
-		for (i = 0; i < levels; i++) {
-			DEBUGADD(0, (" #%d 0x%llx %s\n", i, addrs[i], names[i]));
-		}
-     }
-#undef NAMESIZE
-#endif
-}
-
-_PUBLIC_ const char *panic_action = NULL;
-
-/**
- Something really nasty happened - panic !
-**/
-_PUBLIC_ _NORETURN_ void smb_panic(const char *why)
-{
-	int result;
-
-	if (panic_action && *panic_action) {
-		char pidstr[20];
-		char cmdstring[200];
-		safe_strcpy(cmdstring, panic_action, sizeof(cmdstring));
-		snprintf(pidstr, sizeof(pidstr), "%d", (int) getpid());
-		all_string_sub(cmdstring, "%PID%", pidstr, sizeof(cmdstring));
-		if (progname) {
-			all_string_sub(cmdstring, "%PROG%", progname, sizeof(cmdstring));
-		}
-		DEBUG(0, ("smb_panic(): calling panic action [%s]\n", cmdstring));
-		result = system(cmdstring);
-
-		if (result == -1)
-			DEBUG(0, ("smb_panic(): fork failed in panic action: %s\n",
-				  strerror(errno)));
-		else
-			DEBUG(0, ("smb_panic(): action returned status %d\n",
-				  WEXITSTATUS(result)));
-	}
-	DEBUG(0,("PANIC: %s\n", why));
-
-	call_backtrace();
-
-#ifdef SIGABRT
-	CatchSignal(SIGABRT, SIG_DFL);
-#endif
-	abort();
-}
-
-/**
-report a fault
-**/
-_NORETURN_ static void fault_report(int sig)
-{
-	static int counter;
-
-	if (counter) _exit(1);
-
-	DEBUG(0,("=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\n"));
-	DEBUG(0,("INTERNAL ERROR: Signal %d in pid %d (%s)",sig,(int)getpid(),SAMBA_VERSION_STRING));
-	DEBUG(0,("\nPlease read the file BUGS.txt in the distribution\n"));
-	DEBUG(0,("=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\n"));
-
-	smb_panic("internal error");
-
-	exit(1);
-}
-
-/**
-catch serious errors
-**/
-_NORETURN_ static void sig_fault(int sig)
-{
-	if (fault_handlers.fault_handler) {
-		/* we have a fault handler, call it. It may not return. */
-		fault_handlers.fault_handler(sig);
-	}
-	/* If it returns or doesn't exist, use regular reporter */
-	fault_report(sig);
-}
-
-/**
-setup our fault handlers
-**/
-_PUBLIC_ void fault_setup(const char *pname)
-{
-	if (progname != NULL) {
-		return;
-	}
-	progname = pname;
-#ifdef SIGSEGV
-	CatchSignal(SIGSEGV, sig_fault);
-#endif
-#ifdef SIGBUS
-	CatchSignal(SIGBUS, sig_fault);
-#endif
-#ifdef SIGABRT
-	CatchSignal(SIGABRT, sig_fault);
-#endif
-#ifdef SIGFPE
-	CatchSignal(SIGFPE, sig_fault);
-#endif
-}
-
-/**
-   disable setting up fault handlers
-**/
-_PUBLIC_ void fault_setup_disable(void)
-{
-	progname = "fault disabled";
-}
-
-
-/**
-  register a fault handler.
-  Should only be called once in the execution of smbd.
-*/
-_PUBLIC_ bool register_fault_handler(const char *name,
-				     void (*fault_handler)(int sig))
-{
-	if (fault_handlers.name != NULL) {
-		/* it's already registered! */
-		DEBUG(2,("fault handler '%s' already registered - failed '%s'\n",
-			 fault_handlers.name, name));
-		return false;
-	}
-
-	fault_handlers.name = name;
-	fault_handlers.fault_handler = fault_handler;
-
-	DEBUG(2,("fault handler '%s' registered\n", name));
-	return true;
-}
diff --git a/lib/util/wscript_build b/lib/util/wscript_build
index 8cbb8bb893..7c18075faa 100755
--- a/lib/util/wscript_build
+++ b/lib/util/wscript_build
@@ -20,7 +20,7 @@ bld.SAMBA_LIBRARY('samba-util-common',
 
 if bld.env._SAMBA_BUILD_ == 4:
     bld.SAMBA_LIBRARY('samba-util',
-                      source='''dprintf.c fault_s4.c data_blob.c
+                      source='''dprintf.c fault.c data_blob.c
                       ms_fnmatch.c parmlist.c substitute.c util_str.c
                       ''',
                       deps='samba-util-common',