/*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
- *
+ *
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
#include <afsconfig.h>
#include <afs/param.h>
-RCSID
- ("$Header$");
+#include <roken.h>
#ifdef AFS_NT40_ENV
#include <winsock2.h>
#include <sys/types.h>
#include <afs/stds.h>
#include <stdio.h>
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
#include <lock.h>
#include <ubik.h>
#include <lwp.h>
#include <rx/rx.h>
#include <rx/rxkad.h>
#include <string.h>
-#include <des.h>
#include <afs/cellconfig.h>
#include <errno.h>
#include "budb.h"
#include "budb_errs.h"
#include "database.h"
+#include "budb_internal.h"
#include "error_macros.h"
#include "globals.h"
#include "afs/audit.h"
+afs_int32 DumpDB(struct rx_call *, int, afs_int32, charListT *, afs_int32 *);
+afs_int32 RestoreDbHeader(struct rx_call *, struct DbHeader *);
+void *dumpWatcher(void *);
/* dump ubik database - interface routines */
*/
afs_int32
-badEntry(dbAddr)
- afs_uint32 dbAddr;
+badEntry(afs_uint32 dbAddr)
{
/* return entry ok */
return (0);
* decode the arguments passed via LWP and dump the database.
*/
-setupDbDump(writeFid)
- int writeFid;
+void *
+setupDbDump(void *param)
{
+ int writeFid = (intptr_t)param;
afs_int32 code = 0;
code = InitRPC(&dumpSyncPtr->ut, LOCKREAD, 1);
error_exit:
if (dumpSyncPtr->ut)
ubik_EndTrans(dumpSyncPtr->ut);
- return (code);
+ return (void *)(intptr_t)(code);
}
-afs_int32 DumpDB(), RestoreDbHeader();
afs_int32
-SBUDB_DumpDB(call, firstcall, maxLength, charListPtr, done)
- struct rx_call *call;
- int firstcall;
- afs_int32 maxLength;
- charListT *charListPtr;
- afs_int32 *done;
+SBUDB_DumpDB(struct rx_call *call, int firstcall, afs_int32 maxLength,
+ charListT *charListPtr, afs_int32 *done)
{
afs_int32 code;
}
afs_int32
-DumpDB(call, firstcall, maxLength, charListPtr, done)
- struct rx_call *call;
- int firstcall; /* 1 - init. 0 - no init */
- afs_int32 maxLength;
- charListT *charListPtr;
- afs_int32 *done;
+DumpDB(struct rx_call *call,
+ int firstcall, /* 1 - init. 0 - no init */
+ afs_int32 maxLength,
+ charListT *charListPtr,
+ afs_int32 *done)
{
+#ifdef AFS_PTHREAD_ENV
+ pthread_t dumperPid, watcherPid;
+ pthread_attr_t dumperPid_tattr;
+ pthread_attr_t watcherPid_tattr;
+#else
PROCESS dumperPid, watcherPid;
+#endif
int readSize;
afs_int32 code = 0;
- extern dumpWatcher();
if (callPermitted(call) == 0)
ERROR(BUDB_NOTPERMITTED);
ObtainWriteLock(&dumpSyncPtr->ds_lock);
/* If asking for zero bytes, then this is a call to reset the timeToLive
- * timer. Reset it if there is a dump in progress.
+ * timer. Reset it if there is a dump in progress.
*/
if (maxLength == 0) {
charListPtr->charListT_val = NULL;
if (code)
ERROR(errno);
+#ifdef AFS_PTHREAD_ENV
+ /* Initialize the condition variables and the mutexes we use
+ * to signal and synchronize the reader and writer threads.
+ */
+ CV_INIT(&dumpSyncPtr->ds_readerStatus_cond, "reader cond", CV_DEFAULT, 0);
+ CV_INIT(&dumpSyncPtr->ds_writerStatus_cond, "writer cond", CV_DEFAULT, 0);
+ MUTEX_INIT(&dumpSyncPtr->ds_readerStatus_mutex, "reader", MUTEX_DEFAULT, 0);
+ MUTEX_INIT(&dumpSyncPtr->ds_writerStatus_mutex, "writer", MUTEX_DEFAULT, 0);
+
+ /* Initialize the thread attributes and launch the thread */
+
+ osi_Assert(pthread_attr_init(&dumperPid_tattr) == 0);
+ osi_Assert(pthread_attr_setdetachstate(&dumperPid_tattr, PTHREAD_CREATE_DETACHED) == 0);
+ osi_Assert(pthread_create(&dumperPid, &dumperPid_tattr, (void *)setupDbDump, NULL) == 0);
+
+#else
code =
LWP_CreateProcess(setupDbDump, 16384, 1,
- (void *)dumpSyncPtr->pipeFid[1],
+ (void *)(intptr_t)dumpSyncPtr->pipeFid[1],
"Database Dumper", &dumperPid);
if (code)
goto error_exit;
+#endif
dumpSyncPtr->dumperPid = dumperPid;
dumpSyncPtr->timeToLive = time(0) + DUMP_TTL_INC;
+#ifdef AFS_PTHREAD_ENV
+ /* Initialize the thread attributes and launch the thread */
+
+ osi_Assert(pthread_attr_init(&watcherPid_tattr) == 0);
+ osi_Assert(pthread_attr_setdetachstate(&watcherPid_tattr, PTHREAD_CREATE_DETACHED) == 0);
+ osi_Assert(pthread_create(&watcherPid, &watcherPid_tattr, (void *)dumpWatcher, NULL) == 0);
+#else
/* now create the watcher thread */
code =
LWP_CreateProcess(dumpWatcher, 16384, 1, 0,
"Database Dump Watchdog", &watcherPid);
+#endif
} else if (firstcall)
ERROR(BUDB_LOCKED);
if (dumpSyncPtr->ds_writerStatus == DS_WAITING) {
LogDebug(6, "wakup writer\n");
dumpSyncPtr->ds_writerStatus = 0;
+#ifdef AFS_PTHREAD_ENV
+ CV_BROADCAST(&dumpSyncPtr->ds_writerStatus_cond);
+#else
code = LWP_SignalProcess(&dumpSyncPtr->ds_writerStatus);
if (code)
LogError(code, "BUDB_DumpDB: signal delivery failed\n");
+#endif
}
LogDebug(6, "wait for writer\n");
dumpSyncPtr->ds_readerStatus = DS_WAITING;
ReleaseWriteLock(&dumpSyncPtr->ds_lock);
+#ifdef AFS_PTHREAD_ENV
+ MUTEX_ENTER(&dumpSyncPtr->ds_readerStatus_mutex);
+ CV_WAIT(&dumpSyncPtr->ds_readerStatus_cond, &dumpSyncPtr->ds_readerStatus_mutex);
+ MUTEX_EXIT(&dumpSyncPtr->ds_readerStatus_mutex);
+#else
LWP_WaitProcess(&dumpSyncPtr->ds_readerStatus);
+#endif
ObtainWriteLock(&dumpSyncPtr->ds_lock);
}
dumpSyncPtr->ds_bytes -= readSize;
if (dumpSyncPtr->ds_writerStatus == DS_WAITING) {
dumpSyncPtr->ds_writerStatus = 0;
+#ifdef AFS_PTHREAD_ENV
+ CV_BROADCAST(&dumpSyncPtr->ds_writerStatus_cond);
+#else
code = LWP_SignalProcess(&dumpSyncPtr->ds_writerStatus);
if (code)
LogError(code, "BUDB_DumpDB: signal delivery failed\n");
+#endif
}
error_exit:
}
afs_int32
-SBUDB_RestoreDbHeader(call, header)
- struct rx_call *call;
- struct DbHeader *header;
+SBUDB_RestoreDbHeader(struct rx_call *call, struct DbHeader *header)
{
afs_int32 code;
}
afs_int32
-RestoreDbHeader(call, header)
- struct rx_call *call;
- struct DbHeader *header;
+RestoreDbHeader(struct rx_call *call, struct DbHeader *header)
{
struct ubik_trans *ut = 0;
afs_int32 code = 0;
}
/* dumpWatcher
- * monitors the state of a database dump. If the dump calls do not
+ * monitors the state of a database dump. If the dump calls do not
* reset the time to live value, the dump times out. In that case,
- * we kill the database traversal thread and clean up all the other
+ * we kill the database traversal thread and clean up all the other
* state. Most importantly, the database is unlocked so that other
* transactions can proceed.
*/
-dumpWatcher()
+void *
+dumpWatcher(void *unused)
{
afs_int32 code;
close(dumpSyncPtr->pipeFid[0]);
close(dumpSyncPtr->pipeFid[1]);
-
+#ifdef AFS_PTHREAD_ENV
+ osi_Assert(pthread_cancel(dumpSyncPtr->dumperPid) == 0);
+#else
code = LWP_DestroyProcess(dumpSyncPtr->dumperPid);
if (code)
LogError(code, "dumpWatcher: failed to kill dump thread\n");
+#endif
if (dumpSyncPtr->ut) {
code = ubik_AbortTrans(dumpSyncPtr->ut);
}
/*i */
ReleaseWriteLock(&dumpSyncPtr->ds_lock);
+#ifdef AFS_PTHREAD_ENV
+ sleep(5);
+#else
IOMGR_Sleep(5);
+#endif
} /*w */
exit:
git://git.openafs.org / openafs.git / blobdiff