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Diffstat (limited to 'db2')
-rw-r--r--db2/README3
-rw-r--r--db2/btree/bt_rec.c4
-rw-r--r--db2/clib/getlong.c3
-rw-r--r--db2/db185/db185.c67
-rw-r--r--db2/db185/db185_int.h1
-rw-r--r--db2/db_int.h6
-rw-r--r--db2/dbm/dbm.c12
-rw-r--r--db2/lock/lock_deadlock.c6
-rw-r--r--db2/log/log_archive.c2
9 files changed, 59 insertions, 45 deletions
diff --git a/db2/README b/db2/README
new file mode 100644
index 0000000000..2dc1d1be8a
--- /dev/null
+++ b/db2/README
@@ -0,0 +1,3 @@
+The LICENSE file, mentioned in the beginning of the source files, can
+be found together with all the other relevant license texts in the
+manual and the INSTALL file in the toplevel directory.
diff --git a/db2/btree/bt_rec.c b/db2/btree/bt_rec.c
index bf48e01d54..07a3d93c74 100644
--- a/db2/btree/bt_rec.c
+++ b/db2/btree/bt_rec.c
@@ -301,7 +301,7 @@ __bam_split_recover(logp, dbtp, lsnp, redo, info)
 		if ((_lp = (PAGE *)malloc(file_dbp->pgsize)) == NULL)
 			goto nomem;
 		if ((_rp = (PAGE *)malloc(file_dbp->pgsize)) == NULL) {
-nomem:			errno = ENOMEM;
+nomem:			__set_errno(ENOMEM);
 			__db_err(file_dbp->dbenv, "%s", strerror(errno));
 			goto out;
 		}
@@ -668,7 +668,7 @@ __bam_cadjust_recover(logp, dbtp, lsnp, redo, info)
 	REC_INTRO(__bam_cadjust_read);
 
 	if ((ret = memp_fget(mpf, &argp->pgno, 0, &pagep)) != 0) {
-		errno = __db_pgerr(file_dbp, argp->pgno);
+		__set_errno(__db_pgerr(file_dbp, argp->pgno));
 		pagep = NULL;
 		goto out;
 	}
diff --git a/db2/clib/getlong.c b/db2/clib/getlong.c
index d79c6846df..0cc8567081 100644
--- a/db2/clib/getlong.c
+++ b/db2/clib/getlong.c
@@ -18,6 +18,7 @@ static const char sccsid[] = "@(#)getlong.c	10.2 (Sleepycat) 5/1/97";
 #endif
 
 #include "db.h"
+#include "db_int.h"
 #include "clib_ext.h"
 
 /*
@@ -34,7 +35,7 @@ get_long(p, min, max, storep)
 	long val;
 	char *end;
 
-	errno = 0;
+	__set_errno(0);
 	val = strtol(p, &end, 10);
 	if ((val == LONG_MIN || val == LONG_MAX) && errno == ERANGE)
 		err(1, "%s", p);
diff --git a/db2/db185/db185.c b/db2/db185/db185.c
index 8e53a1b734..bf5e37edcb 100644
--- a/db2/db185/db185.c
+++ b/db2/db185/db185.c
@@ -38,7 +38,7 @@ static int db185_seq __P((const DB185 *, DBT185 *, DBT185 *, u_int));
 static int db185_sync __P((const DB185 *, u_int));
 
 DB185 *
-dbopen(file, oflags, mode, type, openinfo)
+__dbopen(file, oflags, mode, type, openinfo)
 	const char *file;
 	int oflags, mode;
 	DBTYPE type;
@@ -181,18 +181,19 @@ dbopen(file, oflags, mode, type, openinfo)
 	 * Store the returned pointer to the real DB 2.0 structure in the
 	 * internal pointer.  Ugly, but we're not going for pretty, here.
 	 */
-	if ((errno = db_open(file,
-	    type, __db_oflags(oflags), mode, NULL, dbinfop, &dbp)) != 0) {
+	if ((__set_errno(db_open(file,
+	    type, __db_oflags(oflags), mode, NULL, dbinfop, &dbp))) != 0) {
 		free(db185p);
 		return (NULL);
 	}
 
 	/* Create the cursor used for sequential ops. */
-	if ((errno = dbp->cursor(dbp, NULL, &((DB185 *)db185p)->dbc)) != 0) {
+	if ((__set_errno(dbp->cursor(dbp, NULL, &((DB185 *)db185p)->dbc)))
+	    != 0) {
 		s_errno = errno;
 		(void)dbp->close(dbp, 0);
 		free(db185p);
-		errno = s_errno;
+		__set_errno(s_errno);
 		return (NULL);
 	}
 
@@ -200,9 +201,10 @@ dbopen(file, oflags, mode, type, openinfo)
 	return (db185p);
 
 einval:	free(db185p);
-	errno = EINVAL;
+	__set_errno(EINVAL);
 	return (NULL);
 }
+weak_alias (__dbopen, dbopen)
 
 static int
 db185_close(db185p)
@@ -212,7 +214,7 @@ db185_close(db185p)
 
 	dbp = (DB *)db185p->internal;
 
-	errno = dbp->close(dbp, 0);
+	__set_errno(dbp->close(dbp, 0));
 
 	free(db185p);
 
@@ -237,9 +239,9 @@ db185_del(db185p, key185, flags)
 	if (flags & ~R_CURSOR)
 		goto einval;
 	if (flags & R_CURSOR)
-		errno = db185p->dbc->c_del(db185p->dbc, 0);
+		__set_errno(db185p->dbc->c_del(db185p->dbc, 0));
 	else
-		errno = dbp->del(dbp, NULL, &key, 0);
+		__set_errno(dbp->del(dbp, NULL, &key, 0));
 
 	switch (errno) {
 	case 0:
@@ -249,7 +251,7 @@ db185_del(db185p, key185, flags)
 	}
 	return (-1);
 
-einval:	errno = EINVAL;
+einval:	__set_errno(EINVAL);
 	return (-1);
 }
 
@@ -262,7 +264,7 @@ db185_fd(db185p)
 
 	dbp = (DB *)db185p->internal;
 
-	return ((errno = dbp->fd(dbp, &fd)) == 0 ? fd : -1);
+	return ((__set_errno(dbp->fd(dbp, &fd))) == 0 ? fd : -1);
 }
 
 static int
@@ -287,7 +289,7 @@ db185_get(db185p, key185, data185, flags)
 	if (flags)
 		goto einval;
 
-	switch (errno = dbp->get(dbp, NULL, &key, &data, 0)) {
+	switch (__set_errno(dbp->get(dbp, NULL, &key, &data, 0))) {
 	case 0:
 		data185->data = data.data;
 		data185->size = data.size;
@@ -297,7 +299,7 @@ db185_get(db185p, key185, data185, flags)
 	}
 	return (-1);
 
-einval:	errno = EINVAL;
+einval:	__set_errno(EINVAL);
 	return (-1);
 }
 
@@ -324,46 +326,46 @@ db185_put(db185p, key185, data185, flags)
 
 	switch (flags) {
 	case 0:
-		errno = dbp->put(dbp, NULL, &key, &data, 0);
+		__set_errno(dbp->put(dbp, NULL, &key, &data, 0));
 		break;
 	case R_CURSOR:
-		errno =
-		    db185p->dbc->c_put(db185p->dbc, &key, &data, DB_CURRENT);
+		__set_errno(
+		    db185p->dbc->c_put(db185p->dbc, &key, &data, DB_CURRENT));
 		break;
 	case R_IAFTER:
 	case R_IBEFORE:
 		if (dbp->type != DB_RECNO)
 			goto einval;
 
-		if ((errno = dbp->cursor(dbp, NULL, &dbcp_put)) != 0)
+		if ((__set_errno(dbp->cursor(dbp, NULL, &dbcp_put))) != 0)
 			return (-1);
-		if ((errno =
-		    dbcp_put->c_get(dbcp_put, &key, &data, DB_SET)) != 0) {
+		if ((__set_errno(
+		    dbcp_put->c_get(dbcp_put, &key, &data, DB_SET))) != 0) {
 			s_errno = errno;
 			(void)dbcp_put->c_close(dbcp_put);
-			errno = s_errno;
+			__set_errno(s_errno);
 			return (-1);
 		}
 		memset(&data, 0, sizeof(data));
 		data.data = data185->data;
 		data.size = data185->size;
-		errno = dbcp_put->c_put(dbcp_put,
-		    &key, &data, flags == R_IAFTER ? DB_AFTER : DB_BEFORE);
+		__set_errno(dbcp_put->c_put(dbcp_put,
+		    &key, &data, flags == R_IAFTER ? DB_AFTER : DB_BEFORE));
 		s_errno = errno;
 		(void)dbcp_put->c_close(dbcp_put);
-		errno = s_errno;
+		__set_errno(s_errno);
 		break;
 	case R_NOOVERWRITE:
-		errno = dbp->put(dbp, NULL, &key, &data, DB_NOOVERWRITE);
+		__set_errno(dbp->put(dbp, NULL, &key, &data, DB_NOOVERWRITE));
 		break;
 	case R_SETCURSOR:
 		if (dbp->type != DB_BTREE && dbp->type != DB_RECNO)
 			goto einval;
 
-		if ((errno = dbp->put(dbp, NULL, &key, &data, 0)) != 0)
+		if ((__set_errno(dbp->put(dbp, NULL, &key, &data, 0))) != 0)
 			break;
-		errno =
-		    db185p->dbc->c_get(db185p->dbc, &key, &data, DB_SET_RANGE);
+		__set_errno(db185p->dbc->c_get(db185p->dbc,
+					       &key, &data, DB_SET_RANGE));
 		break;
 	default:
 		goto einval;
@@ -379,7 +381,7 @@ db185_put(db185p, key185, data185, flags)
 	}
 	return (-1);
 
-einval:	errno = EINVAL;
+einval:	__set_errno(EINVAL);
 	return (-1);
 }
 
@@ -424,7 +426,8 @@ db185_seq(db185p, key185, data185, flags)
 	default:
 		goto einval;
 	}
-	switch (errno = db185p->dbc->c_get(db185p->dbc, &key, &data, flags)) {
+	switch (__set_errno(db185p->dbc->c_get(db185p->dbc,
+					       &key, &data, flags))) {
 	case 0:
 		key185->data = key.data;
 		key185->size = key.size;
@@ -436,7 +439,7 @@ db185_seq(db185p, key185, data185, flags)
 	}
 	return (-1);
 
-einval:	errno = EINVAL;
+einval:	__set_errno(EINVAL);
 	return (-1);
 }
 
@@ -464,8 +467,8 @@ db185_sync(db185p, flags)
 		goto einval;
 	}
 
-	return ((errno = dbp->sync(dbp, 0)) == 0 ? 0 : -1);
+	return ((__set_errno(dbp->sync(dbp, 0))) == 0 ? 0 : -1);
 
-einval:	errno = EINVAL;
+einval:	__set_errno(EINVAL);
 	return (-1);
 }
diff --git a/db2/db185/db185_int.h b/db2/db185/db185_int.h
index 656dfddf78..f3e24b9026 100644
--- a/db2/db185/db185_int.h
+++ b/db2/db185/db185_int.h
@@ -130,6 +130,7 @@ typedef struct {
 #if defined(__cplusplus)
 extern "C" {
 #endif
+DB185 *__dbopen __P((const char *, int, int, DBTYPE, const void *));
 DB185 *dbopen __P((const char *, int, int, DBTYPE, const void *));
 #if defined(__cplusplus)
 };
diff --git a/db2/db_int.h b/db2/db_int.h
index 23fb106755..a088c693a8 100644
--- a/db2/db_int.h
+++ b/db2/db_int.h
@@ -25,6 +25,12 @@
 
 #define	DB_MINCACHE	10		/* Minimum cached pages */
 
+/* Handle `errno' in the presence of multi-threading correctly.  On some
+   systems we need a special macro to do this right.  */
+#ifndef __set_errno
+# define __set_errno(val) (errno) = (val)
+#endif
+
 /*
  * Aligning items to particular sizes or in pages or memory.  ALIGNP is a
  * separate macro, as we've had to cast the pointer to different integral
diff --git a/db2/dbm/dbm.c b/db2/dbm/dbm.c
index fb21ade020..1fa92ce1fa 100644
--- a/db2/dbm/dbm.c
+++ b/db2/dbm/dbm.c
@@ -199,8 +199,8 @@ dbm_open(file, oflags, mode)
 	dbinfo.h_nelem = 1;
 
 	(void)snprintf(path, sizeof(path), "%s%s", file, DBM_SUFFIX);
-	if ((errno = db_open(path,
-	    DB_HASH, __db_oflags(oflags), mode, NULL, &dbinfo, &dbp)) != 0)
+	if ((__set_errno(db_open(path,
+	    DB_HASH, __db_oflags(oflags), mode, NULL, &dbinfo, &dbp))) != 0)
 		return (NULL);
 	return ((DBM *)dbp);
 }
@@ -261,7 +261,7 @@ dbm_firstkey(db)
 	DBC *cp;
 
 	if ((cp = TAILQ_FIRST(&db->curs_queue)) == NULL)
-		if ((errno = db->cursor(db, NULL, &cp)) != 0) {
+		if ((__set_errno(db->cursor(db, NULL, &cp))) != 0) {
 			memset(&key, 0, sizeof(key));
 			return (key);
 		}
@@ -294,7 +294,7 @@ dbm_nextkey(db)
 	int status;
 
 	if ((cp = TAILQ_FIRST(&db->curs_queue)) == NULL)
-		if ((errno = db->cursor(db, NULL, &cp)) != 0) {
+		if ((__set_errno(db->cursor(db, NULL, &cp))) != 0) {
 			memset(&key, 0, sizeof(key));
 			return (key);
 		}
@@ -330,9 +330,9 @@ dbm_delete(db, key)
 	_key.size = key.dsize;
 	ret = (((DB *)db)->del)((DB *)db, NULL, &_key, 0);
 	if (ret < 0)
-		errno = ENOENT;
+		__set_errno(ENOENT);
 	else if (ret > 0) {
-		errno = ret;
+		__set_errno(ret);
 		ret = -1;
 	}
 	return (ret);
diff --git a/db2/lock/lock_deadlock.c b/db2/lock/lock_deadlock.c
index 54a73afd1b..f753958b21 100644
--- a/db2/lock/lock_deadlock.c
+++ b/db2/lock/lock_deadlock.c
@@ -300,8 +300,8 @@ retry:	count = lt->region->nlockers;
 			for (lp = SH_TAILQ_FIRST(&op->holders, __db_lock);
 			    lp != NULL;
 			    lp = SH_TAILQ_NEXT(lp, links, __db_lock)) {
-				if ((errno = __lock_getobj(lt, lp->holder,
-				    NULL, DB_LOCK_LOCKER, &lockerp)) != 0) {
+				if ((__set_errno(__lock_getobj(lt, lp->holder,
+				    NULL, DB_LOCK_LOCKER, &lockerp))) != 0) {
 					__db_err(dbenv,
 					    "warning unable to find object");
 					continue;
@@ -472,7 +472,7 @@ __dd_debug(dbenv, idmap, bitmap, nlockers)
 	 * Alloc space to print 10 bytes per item waited on.
 	 */
 	if ((msgbuf = (char *)malloc((nlockers + 1) * 10 + 64)) == NULL) {
-		errno = ENOMEM;
+		__set_errno(ENOMEM);
 		__db_err(dbenv, "%s", strerror(errno));
 		return;
 	}
diff --git a/db2/log/log_archive.c b/db2/log/log_archive.c
index d70d4c64c0..0d6c3f2bea 100644
--- a/db2/log/log_archive.c
+++ b/db2/log/log_archive.c
@@ -68,7 +68,7 @@ log_archive(logp, listp, flags, db_malloc)
 	 * but that's just not possible.
 	 */
 	if (LF_ISSET(DB_ARCH_ABS)) {
-		errno = 0;
+		__set_errno(0);
 		if ((pref = getcwd(buf, sizeof(buf))) == NULL)
 			return (errno == 0 ? ENOMEM : errno);
 	} else
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-13 08:48:12 +0000