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-rw-r--r--db2/common/db_appinit.c62
-rw-r--r--db2/common/db_apprec.c98
-rw-r--r--db2/common/db_byteorder.c7
-rw-r--r--db2/common/db_err.c8
-rw-r--r--db2/common/db_region.c4
5 files changed, 99 insertions, 80 deletions
diff --git a/db2/common/db_appinit.c b/db2/common/db_appinit.c
index 01891c66a7..51d9262859 100644
--- a/db2/common/db_appinit.c
+++ b/db2/common/db_appinit.c
@@ -8,7 +8,7 @@
 #include "config.h"
 
 #ifndef lint
-static const char sccsid[] = "@(#)db_appinit.c	10.27 (Sleepycat) 8/23/97";
+static const char sccsid[] = "@(#)db_appinit.c	10.33 (Sleepycat) 8/28/97";
 #endif /* not lint */
 
 #ifndef NO_SYSTEM_INCLUDES
@@ -43,7 +43,7 @@ static int __db_tmp_open __P((DB_ENV *, char *, int *));
  * db_version --
  *	Return verision information.
  */
-const char *
+char *
 db_version(majverp, minverp, patchp)
 	int *majverp, *minverp, *patchp;
 {
@@ -53,7 +53,7 @@ db_version(majverp, minverp, patchp)
 		*minverp = DB_VERSION_MINOR;
 	if (patchp != NULL)
 		*patchp = DB_VERSION_PATCH;
-	return (DB_VERSION_STRING);
+	return ((char *)DB_VERSION_STRING);
 }
 
 /*
@@ -68,7 +68,7 @@ db_appinit(db_home, db_config, dbenv, flags)
 	int flags;
 {
 	FILE *fp;
-	int i_lock, i_log, i_mpool, i_txn, ret;
+	int ret;
 	char *lp, **p, buf[MAXPATHLEN * 2];
 
 	/* Validate arguments. */
@@ -94,7 +94,6 @@ db_appinit(db_home, db_config, dbenv, flags)
 		return (__db_ferr(dbenv, "db_appinit", 1));
 
 	fp = NULL;
-	i_lock = i_log = i_mpool = i_txn = 0;
 
 	/* Set the database home. */
 	if ((ret = __db_home(dbenv, db_home, flags)) != 0)
@@ -117,6 +116,7 @@ db_appinit(db_home, db_config, dbenv, flags)
 					goto err;
 			}
 			(void)fclose(fp);
+			fp = NULL;
 		}
 	}
 
@@ -152,34 +152,22 @@ db_appinit(db_home, db_config, dbenv, flags)
 #define	DB_DEFPERM	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP)
 
 	/* Initialize the subsystems. */
-	if (LF_ISSET(DB_INIT_LOCK)) {
-		if ((ret = lock_open(NULL,
-		    LF_ISSET(DB_CREATE | DB_THREAD),
-		    DB_DEFPERM, dbenv, &dbenv->lk_info)) != 0)
-			goto err;
-		i_lock = 1;
-	}
-	if (LF_ISSET(DB_INIT_LOG)) {
-		if ((ret = log_open(NULL,
-		    LF_ISSET(DB_CREATE | DB_THREAD),
-		    DB_DEFPERM, dbenv, &dbenv->lg_info)) != 0)
-			goto err;
-		i_log = 1;
-	}
-	if (LF_ISSET(DB_INIT_MPOOL)) {
-		if ((ret = memp_open(NULL,
+	if (LF_ISSET(DB_INIT_LOCK) && (ret = lock_open(NULL,
+	    LF_ISSET(DB_CREATE | DB_THREAD),
+	    DB_DEFPERM, dbenv, &dbenv->lk_info)) != 0)
+		goto err;
+	if (LF_ISSET(DB_INIT_LOG) && (ret = log_open(NULL,
+	    LF_ISSET(DB_CREATE | DB_THREAD),
+	    DB_DEFPERM, dbenv, &dbenv->lg_info)) != 0)
+		goto err;
+	if (LF_ISSET(DB_INIT_MPOOL) && (ret = memp_open(NULL,
 	    LF_ISSET(DB_CREATE | DB_MPOOL_PRIVATE | DB_NOMMAP | DB_THREAD),
-		    DB_DEFPERM, dbenv, &dbenv->mp_info)) != 0)
-			goto err;
-		i_mpool = 1;
-	}
-	if (LF_ISSET(DB_INIT_TXN)) {
-		if ((ret = txn_open(NULL,
-		    LF_ISSET(DB_CREATE | DB_THREAD | DB_TXN_NOSYNC),
-		    DB_DEFPERM, dbenv, &dbenv->tx_info)) != 0)
-			goto err;
-		i_txn = 1;
-	}
+	    DB_DEFPERM, dbenv, &dbenv->mp_info)) != 0)
+		goto err;
+	if (LF_ISSET(DB_INIT_TXN) && (ret = txn_open(NULL,
+	    LF_ISSET(DB_CREATE | DB_THREAD | DB_TXN_NOSYNC),
+	    DB_DEFPERM, dbenv, &dbenv->tx_info)) != 0)
+		goto err;
 
 	/* Initialize recovery. */
 	if (LF_ISSET(DB_INIT_TXN)) {
@@ -195,7 +183,7 @@ db_appinit(db_home, db_config, dbenv, flags)
 			goto err;
 	}
 
-	/* Now run recovery if necessary. */
+	/* Run recovery if necessary. */
 	if (LF_ISSET(DB_RECOVER | DB_RECOVER_FATAL) && (ret =
 	    __db_apprec(dbenv, LF_ISSET(DB_RECOVER | DB_RECOVER_FATAL))) != 0)
 		goto err;
@@ -204,14 +192,6 @@ db_appinit(db_home, db_config, dbenv, flags)
 
 err:	if (fp != NULL)
 		(void)fclose(fp);
-	if (i_lock)
-		(void)lock_close(dbenv->lk_info);
-	if (i_log)
-		(void)log_close(dbenv->lg_info);
-	if (i_mpool)
-		(void)memp_close(dbenv->mp_info);
-	if (i_txn)
-		(void)txn_close(dbenv->tx_info);
 
 	(void)db_appexit(dbenv);
 	return (ret);
diff --git a/db2/common/db_apprec.c b/db2/common/db_apprec.c
index b22b0c5e9a..2e94673731 100644
--- a/db2/common/db_apprec.c
+++ b/db2/common/db_apprec.c
@@ -11,7 +11,7 @@
 static const char copyright[] =
 "@(#) Copyright (c) 1997\n\
 	Sleepycat Software Inc.  All rights reserved.\n";
-static const char sccsid[] = "@(#)db_apprec.c	10.15 (Sleepycat) 7/27/97";
+static const char sccsid[] = "@(#)db_apprec.c	10.16 (Sleepycat) 8/27/97";
 #endif
 
 #ifndef NO_SYSTEM_INCLUDES
@@ -19,6 +19,7 @@ static const char sccsid[] = "@(#)db_apprec.c	10.15 (Sleepycat) 7/27/97";
 
 #include <time.h>
 #include <string.h>
+#include <stdlib.h>
 #endif
 
 #include "db_int.h"
@@ -30,6 +31,12 @@ static const char sccsid[] = "@(#)db_apprec.c	10.15 (Sleepycat) 7/27/97";
 #include "txn.h"
 #include "common_ext.h"
 
+#define	FREE_DBT(L, D) {						\
+	if (F_ISSET((L), DB_AM_THREAD) && (D).data != NULL)		\
+		free((D).data);						\
+		(D).data = NULL;					\
+	}								\
+
 /*
  * __db_apprec --
  *	Perform recovery.
@@ -45,30 +52,34 @@ __db_apprec(dbenv, flags)
 	DB_LOG *lp;
 	DB_LSN ckp_lsn, first_lsn, lsn, tmp_lsn;
 	time_t now;
-	int first_flag, ret, tret;
+	int first_flag, ret;
 	void *txninfo;
 
-	ZERO_LSN(ckp_lsn);
-
 	/* Initialize the transaction list. */
 	if ((ret = __db_txnlist_init(&txninfo)) != 0)
 		return (ret);
 
 	/*
-	 * Read forward through the log opening the appropriate files
-	 * so that we can call recovery routines.  In general, we start
-	 * at the last checkpoint prior to the last checkpointed LSN.
-	 * For catastrophic recovery, we begin at the first LSN that
-	 * appears in any log file (log figures this out for us when
-	 * we pass it the DB_FIRST flag).
+	 * Read forward through the log, opening the appropriate files so that
+	 * we can call recovery routines.  In general, we start at the last
+	 * checkpoint prior to the last checkpointed LSN.  For catastrophic
+	 * recovery, we begin at the first LSN that appears in any log file
+	 * (log_get figures this out for us when we pass it the DB_FIRST flag).
 	 */
 	lp = dbenv->lg_info;
 	if (LF_ISSET(DB_RECOVER_FATAL))
 		first_flag = DB_FIRST;
-	else
-		first_flag = __log_findckp(lp, &lsn) != 0 ? DB_FIRST : DB_SET;
+	else {
+		if ((ret = __log_findckp(lp, &lsn)) == DB_NOTFOUND)
+			return (0);
+		first_flag = DB_SET;
+	}
 
+	/* If we're a threaded application, we have to allocate space. */
 	memset(&data, 0, sizeof(data));
+	if (F_ISSET(lp, DB_AM_THREAD))
+		F_SET(&data, DB_DBT_MALLOC);
+
 	if ((ret = log_get(lp, &lsn, &data, first_flag)) != 0) {
 		__db_err(dbenv, "Failure: unable to get log record");
 		if (first_flag == DB_SET)
@@ -80,35 +91,55 @@ __db_apprec(dbenv, flags)
 	}
 
 	first_lsn = lsn;
-	for (; ret == 0;
-	    ret = log_get(dbenv->lg_info, &lsn, &data, DB_NEXT))
-		if ((tret = __db_dispatch(lp,
-		    &data, &lsn, TXN_OPENFILES, txninfo)) < 0) {
-			ret = tret;
+	for (;;) {
+		ret = __db_dispatch(lp, &data, &lsn, TXN_OPENFILES, txninfo);
+		FREE_DBT(lp, data);
+		if (ret != 0 && ret != DB_TXN_CKP)
 			goto msgerr;
+		if ((ret =
+		    log_get(dbenv->lg_info, &lsn, &data, DB_NEXT)) != 0) {
+			if (ret != DB_NOTFOUND)
+				goto err;
+			break;
 		}
+	}
+	FREE_DBT(lp, data);
 
+	/*
+	 * Initialize the ckp_lsn to 0,0.  If we never find a valid
+	 * checkpoint in the log, then leaving ckp_lsn at 0,0 is correct.
+	 */
+	ZERO_LSN(ckp_lsn);
 	for (ret = log_get(lp, &lsn, &data, DB_LAST);
 	    ret == 0 && log_compare(&lsn, &first_lsn) > 0;
 	    ret = log_get(lp,&lsn, &data, DB_PREV)) {
 		tmp_lsn = lsn;
-		tret =
-		    __db_dispatch(lp, &data, &lsn, TXN_BACKWARD_ROLL, txninfo);
-		if (IS_ZERO_LSN(ckp_lsn) && tret > 0)
-			ckp_lsn = tmp_lsn;
-		if (tret < 0) {
-			ret = tret;
+		ret = __db_dispatch(lp,
+		    &data, &lsn, TXN_BACKWARD_ROLL, txninfo);
+		FREE_DBT(lp, data);
+		if (ret == DB_TXN_CKP) {
+			if (IS_ZERO_LSN(ckp_lsn))
+				ckp_lsn = tmp_lsn;
+			ret = 0;
+		} else if (ret != 0)
 			goto msgerr;
-		}
 	}
+	FREE_DBT(lp, data);
+	if (ret != 0 && ret != DB_NOTFOUND)
+		goto err;
 
 	for (ret = log_get(lp, &lsn, &data, DB_NEXT);
-	    ret == 0; ret = log_get(lp, &lsn, &data, DB_NEXT))
-		if ((tret = __db_dispatch(lp,
-		    &data, &lsn, TXN_FORWARD_ROLL, txninfo)) < 0) {
-			ret = tret;
+	    ret == 0; ret = log_get(lp, &lsn, &data, DB_NEXT)) {
+		ret = __db_dispatch(lp, &data, &lsn, TXN_FORWARD_ROLL, txninfo);
+		FREE_DBT(lp, data);
+		if (ret == DB_TXN_CKP)
+			ret = 0;
+		else if (ret != 0)
 			goto msgerr;
-		}
+	}
+	FREE_DBT(lp, data);
+	if (ret != DB_NOTFOUND)
+		goto err;
 
 	/* Now close all the db files that are open. */
 	__log_close_files(lp);
@@ -118,11 +149,11 @@ __db_apprec(dbenv, flags)
 	 * and the current time.  Then take a checkpoint.
 	 */
 	(void)time(&now);
-
 	dbenv->tx_info->region->last_txnid = ((__db_txnhead *)txninfo)->maxid;
 	dbenv->tx_info->region->last_ckp = ckp_lsn;
-	dbenv->tx_info->region->time_ckp = (u_int32_t) now;
-	txn_checkpoint(dbenv->tx_info, 0, 0);
+	dbenv->tx_info->region->time_ckp = (u_int32_t)now;
+	if ((ret = txn_checkpoint(dbenv->tx_info, 0, 0)) != 0)
+		goto err;
 
 	if (dbenv->db_verbose) {
 		__db_err(lp->dbenv, "Recovery complete at %s", ctime(&now));
@@ -139,5 +170,6 @@ __db_apprec(dbenv, flags)
 msgerr:	__db_err(dbenv, "Recovery function for LSN %lu %lu failed",
 	    (u_long)lsn.file, (u_long)lsn.offset);
 
-err:	return (ret);
+err:	FREE_DBT(lp, data);
+	return (ret);
 }
diff --git a/db2/common/db_byteorder.c b/db2/common/db_byteorder.c
index d49883e093..a8d7715455 100644
--- a/db2/common/db_byteorder.c
+++ b/db2/common/db_byteorder.c
@@ -17,6 +17,13 @@ static const char sccsid[] = "@(#)db_byteorder.c	10.3 (Sleepycat) 6/21/97";
 #include <errno.h>
 #endif
 
+#ifdef HAVE_ENDIAN_H
+# include <endian.h>
+# if BYTE_ORDER == BIG_ENDIAN
+#  define WORDS_BIGENDIAN 1
+# endif
+#endif
+
 #include "db_int.h"
 #include "common_ext.h"
 
diff --git a/db2/common/db_err.c b/db2/common/db_err.c
index 3dc4ca007d..f3e7b40448 100644
--- a/db2/common/db_err.c
+++ b/db2/common/db_err.c
@@ -8,7 +8,7 @@
 #include "config.h"
 
 #ifndef lint
-static const char sccsid[] = "@(#)db_err.c	10.16 (Sleepycat) 8/24/97";
+static const char sccsid[] = "@(#)db_err.c	10.18 (Sleepycat) 8/27/97";
 #endif /* not lint */
 
 #ifndef NO_SYSTEM_INCLUDES
@@ -221,7 +221,7 @@ __db_panic(dbp)
  * __db_fchk --
  *	General flags checking routine.
  *
- * PUBLIC: int __db_fchk __P((DB_ENV *, char *, int, int));
+ * PUBLIC: int __db_fchk __P((DB_ENV *, const char *, int, int));
  */
 int
 __db_fchk(dbenv, name, flags, ok_flags)
@@ -237,7 +237,7 @@ __db_fchk(dbenv, name, flags, ok_flags)
  * __db_fcchk --
  *	General combination flags checking routine.
  *
- * PUBLIC: int __db_fcchk __P((DB_ENV *, char *, int, int, int));
+ * PUBLIC: int __db_fcchk __P((DB_ENV *, const char *, int, int, int));
  */
 int
 __db_fcchk(dbenv, name, flags, flag1, flag2)
@@ -521,7 +521,7 @@ __db_syncchk(dbp, flags)
  * __db_ferr --
  *	Common flag errors.
  *
- * PUBLIC: int __db_ferr __P((const DB_ENV *, char *, int));
+ * PUBLIC: int __db_ferr __P((const DB_ENV *, const char *, int));
  */
 int
 __db_ferr(dbenv, name, combo)
diff --git a/db2/common/db_region.c b/db2/common/db_region.c
index 51f8f4465c..86d79a8148 100644
--- a/db2/common/db_region.c
+++ b/db2/common/db_region.c
@@ -43,7 +43,7 @@
 #include "config.h"
 
 #ifndef lint
-static const char sccsid[] = "@(#)db_region.c	10.12 (Sleepycat) 7/26/97";
+static const char sccsid[] = "@(#)db_region.c	10.13 (Sleepycat) 8/27/97";
 #endif /* not lint */
 
 #ifndef NO_SYSTEM_INCLUDES
@@ -229,7 +229,7 @@ __db_ropen(dbenv, appname, path, file, flags, fdp, retp)
 		goto err2;
 
 	/* Check to make sure the first block has been written. */
-	if ((size_t) size1 < sizeof(RLAYOUT)) {
+	if ((size_t)size1 < sizeof(RLAYOUT)) {
 		ret = EAGAIN;
 		goto err2;
 	}
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-24 23:33:43 +0000