X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftdb%2Ftdb_private.h;h=6da29fa60a66351e41bccd67ae20de4c54e36ea5;hp=ffac89ff0e315195b3defdebc35184ef7ab6a038;hb=85a33135890965218010b79c89e4d3f4905727e3;hpb=7104b7bc2e7f9829891477dbb04a9df926a656a7

diff --git a/ccan/tdb/tdb_private.h b/ccan/tdb/tdb_private.h
index ffac89ff..6da29fa6 100644
--- a/ccan/tdb/tdb_private.h
+++ b/ccan/tdb/tdb_private.h
@@ -1,3 +1,5 @@
+#ifndef TDB_PRIVATE_H
+#define TDB_PRIVATE_H
  /* 
    Unix SMB/CIFS implementation.
 
@@ -23,15 +25,34 @@
    License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
+#ifdef _SAMBA_BUILD_
 #include "replace.h"
 #include "system/filesys.h"
 #include "system/time.h"
 #include "system/shmem.h"
 #include "system/select.h"
 #include "system/wait.h"
+#else
+#define _XOPEN_SOURCE 500
+#define _FILE_OFFSET_BITS 64
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+#include <stdio.h>
+#include <utime.h>
+#include "config.h"
+#endif
 #include "tdb.h"
 
-#ifndef HAVE_GETPAGESIZE
+/* #define TDB_TRACE 1 */
+
+#if HAVE_GETPAGESIZE
 #define getpagesize() 0x2000
 #endif
 
@@ -68,6 +89,37 @@ typedef uint32_t tdb_off_t;
  * argument. */
 #define TDB_LOG(x) tdb->log.log_fn x
 
+#ifdef TDB_TRACE
+void tdb_trace(struct tdb_context *tdb, const char *op);
+void tdb_trace_seqnum(struct tdb_context *tdb, uint32_t seqnum, const char *op);
+void tdb_trace_open(struct tdb_context *tdb, const char *op,
+		    unsigned hash_size, unsigned tdb_flags, unsigned open_flags);
+void tdb_trace_ret(struct tdb_context *tdb, const char *op, int ret);
+void tdb_trace_retrec(struct tdb_context *tdb, const char *op, TDB_DATA ret);
+void tdb_trace_1rec(struct tdb_context *tdb, const char *op,
+		    TDB_DATA rec);
+void tdb_trace_1rec_ret(struct tdb_context *tdb, const char *op,
+			TDB_DATA rec, int ret);
+void tdb_trace_1rec_retrec(struct tdb_context *tdb, const char *op,
+			   TDB_DATA rec, TDB_DATA ret);
+void tdb_trace_2rec_flag_ret(struct tdb_context *tdb, const char *op,
+			     TDB_DATA rec1, TDB_DATA rec2, unsigned flag,
+			     int ret);
+void tdb_trace_2rec_retrec(struct tdb_context *tdb, const char *op,
+			   TDB_DATA rec1, TDB_DATA rec2, TDB_DATA ret);
+#else
+#define tdb_trace(tdb, op)
+#define tdb_trace_seqnum(tdb, seqnum, op)
+#define tdb_trace_open(tdb, op, hash_size, tdb_flags, open_flags)
+#define tdb_trace_ret(tdb, op, ret)
+#define tdb_trace_retrec(tdb, op, ret)
+#define tdb_trace_1rec(tdb, op, rec)
+#define tdb_trace_1rec_ret(tdb, op, rec, ret)
+#define tdb_trace_1rec_retrec(tdb, op, rec, ret)
+#define tdb_trace_2rec_flag_ret(tdb, op, rec1, rec2, flag, ret)
+#define tdb_trace_2rec_retrec(tdb, op, rec1, rec2, ret)
+#endif /* !TDB_TRACE */
+
 /* lock offsets */
 #define GLOBAL_LOCK      0
 #define ACTIVE_LOCK      4
@@ -130,6 +182,15 @@ struct tdb_traverse_lock {
 	int lock_rw;
 };
 
+enum tdb_lock_flags {
+	/* WAIT == F_SETLKW, NOWAIT == F_SETLK */
+	TDB_LOCK_NOWAIT = 0,
+	TDB_LOCK_WAIT = 1,
+	/* If set, don't log an error on failure. */
+	TDB_LOCK_PROBE = 2,
+	/* If set, don't actually lock at all. */
+	TDB_LOCK_MARK_ONLY = 4,
+};
 
 struct tdb_methods {
 	int (*tdb_read)(struct tdb_context *, tdb_off_t , void *, tdb_len_t , int );
@@ -137,7 +198,8 @@ struct tdb_methods {
 	void (*next_hash_chain)(struct tdb_context *, uint32_t *);
 	int (*tdb_oob)(struct tdb_context *, tdb_off_t , int );
 	int (*tdb_expand_file)(struct tdb_context *, tdb_off_t , tdb_off_t );
-	int (*tdb_brlock)(struct tdb_context *, tdb_off_t , int, int, int, size_t);
+	int (*brlock)(struct tdb_context *, int, tdb_off_t, size_t, enum tdb_lock_flags);
+	int (*brunlock)(struct tdb_context *, int, tdb_off_t, size_t);
 };
 
 struct tdb_context {
@@ -166,7 +228,10 @@ struct tdb_context {
 	struct tdb_transaction *transaction;
 	int page_size;
 	int max_dead_records;
-	bool have_transaction_lock;
+	int transaction_lock_count;
+#ifdef TDB_TRACE
+	int tracefd;
+#endif
 	volatile sig_atomic_t *interrupt_sig_ptr;
 };
 
@@ -179,9 +244,13 @@ void tdb_mmap(struct tdb_context *tdb);
 int tdb_lock(struct tdb_context *tdb, int list, int ltype);
 int tdb_lock_nonblock(struct tdb_context *tdb, int list, int ltype);
 int tdb_unlock(struct tdb_context *tdb, int list, int ltype);
-int tdb_brlock(struct tdb_context *tdb, tdb_off_t offset, int rw_type, int lck_type, int probe, size_t len);
+int tdb_brlock(struct tdb_context *tdb,
+	       int rw_type, tdb_off_t offset, size_t len,
+	       enum tdb_lock_flags flags);
+int tdb_brunlock(struct tdb_context *tdb,
+		 int rw_type, tdb_off_t offset, size_t len);
 int tdb_transaction_lock(struct tdb_context *tdb, int ltype);
-int tdb_transaction_unlock(struct tdb_context *tdb);
+int tdb_transaction_unlock(struct tdb_context *tdb, int ltype);
 int tdb_brlock_upgrade(struct tdb_context *tdb, tdb_off_t offset, size_t len);
 int tdb_write_lock_record(struct tdb_context *tdb, tdb_off_t off);
 int tdb_write_unlock_record(struct tdb_context *tdb, tdb_off_t off);
@@ -194,6 +263,7 @@ int tdb_ofs_read(struct tdb_context *tdb, tdb_off_t offset, tdb_off_t *d);
 int tdb_ofs_write(struct tdb_context *tdb, tdb_off_t offset, tdb_off_t *d);
 int tdb_lock_record(struct tdb_context *tdb, tdb_off_t off);
 int tdb_unlock_record(struct tdb_context *tdb, tdb_off_t off);
+int _tdb_transaction_cancel(struct tdb_context *tdb, int ltype);
 int tdb_rec_read(struct tdb_context *tdb, tdb_off_t offset, struct list_struct *rec);
 int tdb_rec_write(struct tdb_context *tdb, tdb_off_t offset, struct list_struct *rec);
 int tdb_do_delete(struct tdb_context *tdb, tdb_off_t rec_ptr, struct list_struct *rec);
@@ -211,3 +281,4 @@ int tdb_rec_free_read(struct tdb_context *tdb, tdb_off_t off,
 		      struct list_struct *rec);
 
 
+#endif