glibc/db2/progs/db_deadlock/db_deadlock.c
Ulrich Drepper bf7997b65c Update.
1998-06-09  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/netinet/ip.h (struct ip_options): Define
	__data member only for gcc.  Reported by ak@muc.de.

	* misc/mntent.h: Undo last patch.
	* sysdeps/unix/sysv/linux/fstatvfs.c (fstatvfs): Undo last patch.
	* misc/tst/mntent.c: Adjust code for this change.

	* io/fts.c: Updated from a slightly more recent BSD version.
	* io/fts.h: Likewise.

	* libc.map: Add __libc_stack_end.

	* db2/Makefile (routines): Add lock_region.
	* db2/config.h: Update from db-2.4.14.
	* db2/db.h: Likewise.
	* db2/db_185.h: Likewise.
	* db2/db_int.h: Likewise.
	* db2/bt_close.c: Likewise.
	* db2/bt_compare.c: Likewise.
	* db2/bt_conv.c: Likewise.
	* db2/bt_cursor.c: Likewise.
	* db2/bt_delete.c: Likewise.
	* db2/bt_open.c: Likewise.
	* db2/bt_page.c: Likewise.
	* db2/bt_put.c: Likewise.
	* db2/bt_rec.c: Likewise.
	* db2/bt_recno.c: Likewise.
	* db2/bt_rsearch.c: Likewise.
	* db2/bt_search.c: Likewise.
	* db2/bt_split.c: Likewise.
	* db2/bt_stat.c: Likewise.
	* db2/btree.src: Likewise.
	* db2/btree_auto.c: Likewise.
	* db2/getlong.c: Likewise.
	* db2/db_appinit.c: Likewise.
	* db2/db_apprec.c: Likewise.
	* db2/db_byteorder.c: Likewise.
	* db2/db_err.c: Likewise.
	* db2/db_log2.c: Likewise.
	* db2/db_region.c: Likewise.
	* db2/db_salloc.c: Likewise.
	* db2/db_shash.c: Likewise.
	* db2/db.c: Likewise.
	* db2/db.src: Likewise.
	* db2/db_auto.c: Likewise.
	* db2/db_conv.c: Likewise.
	* db2/db_dispatch.c: Likewise.
	* db2/db_dup.c: Likewise.
	* db2/db_overflow.c: Likewise.
	* db2/db_pr.c: Likewise.
	* db2/db_rec.c: Likewise.
	* db2/db_ret.c: Likewise.
	* db2/db_thread.c: Likewise.
	* db2/db185.c: Likewise.
	* db2/db185_int.h: Likewise.
	* db2/dbm.c: Likewise.
	* db2/hash.c: Likewise.
	* db2/hash.src: Likewise.
	* db2/hash_auto.c: Likewise.
	* db2/hash_conv.c: Likewise.
	* db2/hash_debug.c: Likewise.
	* db2/hash_dup.c: Likewise.
	* db2/hash_func.c: Likewise.
	* db2/hash_page.c: Likewise.
	* db2/hash_rec.c: Likewise.
	* db2/hash_stat.c: Likewise.
	* db2/btree.h: Likewise.
	* db2/btree_ext.h: Likewise.
	* db2/clib_ext.h: Likewise.
	* db2/common_ext.h: Likewise.
	* db2/cxx_int.h: Likewise.
	* db2/db.h.src: Likewise.
	* db2/db_185.h.src: Likewise.
	* db2/db_am.h: Likewise.
	* db2/db_auto.h: Likewise.
	* db2/db_cxx.h: Likewise.
	* db2/db_dispatch.h: Likewise.
	* db2/db_ext.h: Likewise.
	* db2/db_int.h.src: Likewise.
	* db2/db_page.h: Likewise.
	* db2/db_shash.h: Likewise.
	* db2/db_swap.h: Likewise.
	* db2/hash.h: Likewise.
	* db2/hash_ext.h: Likewise.
	* db2/lock.h: Likewise.
	* db2/lock_ext.h: Likewise.
	* db2/log.h: Likewise.
	* db2/log_ext.h: Likewise.
	* db2/mp.h: Likewise.
	* db2/mp_ext.h: Likewise.
	* db2/mutex_ext.h: Likewise.
	* db2/os_ext.h: Likewise.
	* db2/os_func.h: Likewise.
	* db2/queue.h: Likewise.
	* db2/shqueue.h: Likewise.
	* db2/txn.h: Likewise.
	* db2/lock.c: Likewise.
	* db2/lock_conflict.c: Likewise.
	* db2/lock_deadlock.c: Likewise.
	* db2/lock_region.c: Likewise.
	* db2/lock_util.c: Likewise.
	* db2/log.c: Likewise.
	* db2/log.src: Likewise.
	* db2/log_archive.c: Likewise.
	* db2/log_auto.c: Likewise.
	* db2/log_compare.c: Likewise.
	* db2/log_findckp.c: Likewise.
	* db2/log_get.c: Likewise.
	* db2/log_put.c: Likewise.
	* db2/log_rec.c: Likewise.
	* db2/log_register.c: Likewise.
	* db2/mp_bh.c: Likewise.
	* db2/mp_fget.c: Likewise.
	* db2/mp_fopen.c: Likewise.
	* db2/mp_fput.c: Likewise.
	* db2/mp_fset.c: Likewise.
	* db2/mp_open.c: Likewise.
	* db2/mp_pr.c: Likewise.
	* db2/mp_region.c: Likewise.
	* db2/mp_sync.c: Likewise.
	* db2/68020.gcc: Likewise.
	* db2/mutex.c: Likewise.
	* db2/parisc.gcc: Likewise.
	* db2/parisc.hp: Likewise.
	* db2/sco.cc: Likewise.
	* db2/os_abs.c: Likewise.
	* db2/os_alloc.c: Likewise.
	* db2/os_config.c: Likewise.
	* db2/os_dir.c: Likewise.
	* db2/os_fid.c: Likewise.
	* db2/os_fsync.c: Likewise.
	* db2/os_map.c: Likewise.
	* db2/os_oflags.c: Likewise.
	* db2/os_open.c: Likewise.
	* db2/os_rpath.c: Likewise.
	* db2/os_rw.c: Likewise.
	* db2/os_seek.c: Likewise.
	* db2/os_sleep.c: Likewise.
	* db2/os_spin.c: Likewise.
	* db2/os_stat.c: Likewise.
	* db2/os_unlink.c: Likewise.
	* db2/db_archive.c: Likewise.
	* db2/db_checkpoint.c: Likewise.
	* db2/db_deadlock.c: Likewise.
	* db2/db_dump.c: Likewise.
	* db2/db_dump185.c: Likewise.
	* db2/db_load.c: Likewise.
	* db2/db_printlog.c: Likewise.
	* db2/db_recover.c: Likewise.
	* db2/db_stat.c: Likewise.
	* db2/txn.c: Likewise.
	* db2/txn.src: Likewise.
	* db2/txn_auto.c: Likewise.
	* db2/txn_rec.c: Likewise.

	* elf/rtld.c: Move definition of __libc_stack_end to ...
	* sysdeps/generic/dl-sysdep.h: ...here.

	* sysdeps/unix/sysv/linux/fstatvfs.c: Handle nodiratime option.
	* sysdeps/unix/sysv/linux/bits/statvfs.h: Define ST_NODIRATIME.
	* sysdeps/unix/sysv/linux/sys/mount.h: Define MS_NODIRATIME.

1998-06-08 21:44  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/fstatvfs.c: Handle constant option string
	from mntent correctly.

1998-06-06  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sunrpc/Makefile (generated): Correct typo.

1998-06-04  Philip Blundell  <philb@gnu.org>

	* elf/elf.h (EM_ARM, et al.): New definitions.
	* sysdeps/arm/dl-machine.h: Update for new draft ARM ELF ABI.
1998-06-09 15:16:55 +00:00

242 lines
4.1 KiB
C

/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1996, 1997, 1998
* Sleepycat Software. All rights reserved.
*/
#include "config.h"
#ifndef lint
static const char copyright[] =
"@(#) Copyright (c) 1996, 1997, 1998\n\
Sleepycat Software Inc. All rights reserved.\n";
static const char sccsid[] = "@(#)db_deadlock.c 10.19 (Sleepycat) 4/10/98";
#endif
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <errno.h>
#include <limits.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#endif
#include "db_int.h"
#include "clib_ext.h"
#include "common_ext.h"
#define BAD_KILLID 0xffffffff
DB_ENV *db_init __P((char *, int));
int logpid __P((char *, int));
int main __P((int, char *[]));
void onint __P((int));
void siginit __P((void));
void usage __P((void));
int interrupted;
const char
*progname = "db_deadlock"; /* Program name. */
int
main(argc, argv)
int argc;
char *argv[];
{
extern char *optarg;
extern int optind;
DB_ENV *dbenv;
u_int32_t atype;
time_t now;
long usecs;
u_int32_t flags;
int ch, verbose;
char *home, *logfile;
atype = DB_LOCK_DEFAULT;
home = logfile = NULL;
usecs = 0;
flags = 0;
verbose = 0;
while ((ch = getopt(argc, argv, "a:h:L:t:vw")) != EOF)
switch (ch) {
case 'a':
switch (optarg[0]) {
case 'o':
atype = DB_LOCK_OLDEST;
break;
case 'y':
atype = DB_LOCK_YOUNGEST;
break;
default:
usage();
/* NOTREACHED */
}
if (optarg[1] != '\0')
usage();
break;
case 'h':
home = optarg;
break;
case 'L':
logfile = optarg;
break;
case 't':
get_long(optarg, 1, LONG_MAX, &usecs);
usecs *= 1000000;
break;
case 'v':
verbose = 1;
break;
case 'w':
LF_SET(DB_LOCK_CONFLICT);
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if (argc != 0)
usage();
if (usecs == 0 && !LF_ISSET(DB_LOCK_CONFLICT)) {
warnx("at least one of -t and -w must be specified");
usage();
}
/*
* We detect every 100ms (100000 us) when we're running in
* DB_LOCK_CONFLICT mode.
*/
if (usecs == 0)
usecs = 100000;
/* Initialize the deadlock detector by opening the lock manager. */
dbenv = db_init(home, verbose);
if (logfile != NULL && logpid(logfile, 1)) {
(void)db_appexit(dbenv);
return (1);
}
while (!interrupted) {
if (dbenv->db_verbose != 0) {
time(&now);
__db_err(dbenv, "Running at %.24s", ctime(&now));
}
if ((errno = lock_detect(dbenv->lk_info, flags, atype)) != 0)
break;
/* Make a pass every "usecs" usecs. */
(void)__db_sleep(0, usecs);
}
if (logfile != NULL)
(void)logpid(logfile, 0);
if (interrupted) {
(void)signal(interrupted, SIG_DFL);
(void)raise(interrupted);
/* NOTREACHED */
}
return (db_appexit(dbenv));
}
DB_ENV *
db_init(home, verbose)
char *home;
int verbose;
{
DB_ENV *dbenv;
if ((dbenv = (DB_ENV *)calloc(sizeof(DB_ENV), 1)) == NULL) {
errno = ENOMEM;
err(1, NULL);
}
dbenv->db_errfile = stderr;
dbenv->db_errpfx = progname;
dbenv->db_verbose = verbose;
if ((errno = db_appinit(home,
NULL, dbenv, DB_INIT_LOCK | DB_USE_ENVIRON)) != 0)
err(1, "db_appinit");
siginit();
return (dbenv);
}
/*
* logpid --
* Log that we're running.
*/
int
logpid(fname, is_open)
char *fname;
int is_open;
{
FILE *fp;
time_t now;
if (is_open) {
if ((fp = fopen(fname, "w")) == NULL) {
warn("%s", fname);
return (1);
}
(void)time(&now);
fprintf(fp,
"%.24s: %lu %s", progname, (u_long)getpid(), ctime(&now));
fclose(fp);
} else
(void)remove(fname);
return (0);
}
/*
* siginit --
* Initialize the set of signals for which we want to clean up.
* Generally, we try not to leave the shared regions locked if
* we can.
*/
void
siginit()
{
#ifdef SIGHUP
(void)signal(SIGHUP, onint);
#endif
(void)signal(SIGINT, onint);
#ifdef SIGKILL
(void)signal(SIGKILL, onint);
#endif
(void)signal(SIGTERM, onint);
}
/*
* oninit --
* Interrupt signal handler.
*/
void
onint(signo)
int signo;
{
if ((interrupted = signo) == 0)
interrupted = SIGINT;
}
void
usage()
{
(void)fprintf(stderr,
"usage: db_deadlock [-vw] [-a m | o | y] [-h home] [-L file] [-t sec]\n");
exit(1);
}