* Reqests/commands from the Director are handled in dircmd.c
*
* Kern Sibbald, December 2000
- *
+ *
+ * Version $Id$
*/
/*
- Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
+ Copyright (C) 2000-2003 Kern Sibbald and John Walker
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
#include "stored.h" /* pull in Storage Deamon headers */
/* Requests sent to the Director */
-static char Find_media[] = "CatReq Job=%s FindMedia=%d\n";
-static char Get_Vol_Info[] = "CatReq Job=%s GetVolInfo VolName=%s\n";
-
+static char Find_media[] = "CatReq Job=%s FindMedia=%d\n";
+static char Get_Vol_Info[] = "CatReq Job=%s GetVolInfo VolName=%s write=%d\n";
static char Update_media[] = "CatReq Job=%s UpdateMedia VolName=%s\
- VolJobs=%d VolFiles=%d VolBlocks=%d VolBytes=%" lld " VolMounts=%d\
- VolErrors=%d VolWrites=%d VolMaxBytes=%" lld " EndTime=%d VolStatus=%s\
- FirstIndex=%d LastIndex=%d StartFile=%d EndFile=%d \
- StartBlock=%d EndBlock=%d\n";
+ VolJobs=%u VolFiles=%u VolBlocks=%u VolBytes=%s VolMounts=%u\
+ VolErrors=%u VolWrites=%u MaxVolBytes=%s EndTime=%d VolStatus=%s\
+ Slot=%d relabel=%d\n";
+static char Create_job_media[] = "CatReq Job=%s CreateJobMedia \
+ FirstIndex=%u LastIndex=%u StartFile=%u EndFile=%u \
+ StartBlock=%u EndBlock=%u\n";
static char FileAttributes[] = "UpdCat Job=%s FileAttributes ";
-
-static char Job_status[] = "3012 Job %s jobstatus %d\n";
+static char Job_status[] = "3012 Job %s jobstatus %d\n";
/* Responses received from the Director */
-static char OK_media[] = "1000 OK VolName=%127s VolJobs=%d VolFiles=%d\
- VolBlocks=%d VolBytes=%" lld " VolMounts=%d VolErrors=%d VolWrites=%d\
- VolMaxBytes=%" lld " VolCapacityBytes=%" lld " VolStatus=%20s\n";
-
+static char OK_media[] = "1000 OK VolName=%127s VolJobs=%u VolFiles=%u\
+ VolBlocks=%u VolBytes=%" lld " VolMounts=%u VolErrors=%u VolWrites=%u\
+ MaxVolBytes=%" lld " VolCapacityBytes=%" lld " VolStatus=%20s\
+ Slot=%d MaxVolJobs=%u MaxVolFiles=%u\n";
static char OK_update[] = "1000 OK UpdateMedia\n";
+/* Forward referenced functions */
+static int device_wait(JCR *jcr, DEVICE *dev, int wait_sec);
/*
* Send current JobStatus to Director
jcr->VolumeName[0] = 0; /* No volume */
if (bnet_recv(dir) <= 0) {
- Dmsg0(30, "getvolname error bnet_recv\n");
+ Dmsg0(200, "getvolname error bnet_recv\n");
+ Mmsg(&jcr->errmsg, _("Network error on bnet_recv in req_vol_info.\n"));
return 0;
}
if (sscanf(dir->msg, OK_media, vol->VolCatName,
&vol->VolCatJobs, &vol->VolCatFiles,
- &vol->VolCatBlocks, &vol->VolCatBytes,
+ &vol->VolCatBlocks, &vol->VolCatBytes,
&vol->VolCatMounts, &vol->VolCatErrors,
- &vol->VolCatWrites, &vol->VolCatMaxBytes,
- &vol->VolCatCapacityBytes, vol->VolCatStatus) != 11) {
- Dmsg1(30, "Bad response from Dir: %s\n", dir->msg);
+ &vol->VolCatWrites, &vol->VolCatMaxBytes,
+ &vol->VolCatCapacityBytes, vol->VolCatStatus,
+ &vol->Slot, &vol->VolCatMaxJobs, &vol->VolCatMaxFiles) != 14) {
+
+ Dmsg1(200, "Bad response from Dir: %s\n", dir->msg);
+ Mmsg(&jcr->errmsg, _("Error scanning Dir response: %s\n"), dir->msg);
return 0;
}
unbash_spaces(vol->VolCatName);
- strcpy(jcr->VolumeName, vol->VolCatName); /* set desired VolumeName */
+ pm_strcpy(&jcr->VolumeName, vol->VolCatName); /* set desired VolumeName */
- Dmsg1(200, "Got Volume=%s\n", vol->VolCatName);
+ Dmsg2(200, "do_reqest_vol_info got slot=%d Volume=%s\n",
+ vol->Slot, vol->VolCatName);
return 1;
}
*
* Volume information returned in jcr
*/
-int dir_get_volume_info(JCR *jcr)
+int dir_get_volume_info(JCR *jcr, int writing)
{
BSOCK *dir = jcr->dir_bsock;
strcpy(jcr->VolCatInfo.VolCatName, jcr->VolumeName);
Dmsg1(200, "dir_get_volume_info=%s\n", jcr->VolCatInfo.VolCatName);
bash_spaces(jcr->VolCatInfo.VolCatName);
- bnet_fsend(dir, Get_Vol_Info, jcr->Job, jcr->VolCatInfo.VolCatName);
+ bnet_fsend(dir, Get_Vol_Info, jcr->Job, jcr->VolCatInfo.VolCatName, writing);
return do_request_volume_info(jcr);
}
* After writing a Volume, send the updated statistics
* back to the director.
*/
-int dir_update_volume_info(JCR *jcr, VOLUME_CAT_INFO *vol)
+int dir_update_volume_info(JCR *jcr, VOLUME_CAT_INFO *vol, int relabel)
{
BSOCK *dir = jcr->dir_bsock;
time_t EndTime = time(NULL);
+ char ed1[50], ed2[50];
if (vol->VolCatName[0] == 0) {
- Emsg0(M_ERROR, 0, "NULL Volume name. This shouldn't happen!!!\n");
+ Jmsg0(jcr, M_ERROR, 0, _("NULL Volume name. This shouldn't happen!!!\n"));
+ return 0;
}
+ bash_spaces(vol->VolCatName);
bnet_fsend(dir, Update_media, jcr->Job,
vol->VolCatName, vol->VolCatJobs, vol->VolCatFiles,
- vol->VolCatBlocks, vol->VolCatBytes,
+ vol->VolCatBlocks, edit_uint64(vol->VolCatBytes, ed1),
vol->VolCatMounts, vol->VolCatErrors,
- vol->VolCatWrites, vol->VolCatMaxBytes, EndTime,
- vol->VolCatStatus,
+ vol->VolCatWrites, edit_uint64(vol->VolCatMaxBytes, ed2),
+ EndTime, vol->VolCatStatus, vol->Slot, relabel);
+ Dmsg1(120, "update_volume_data(): %s", dir->msg);
+ unbash_spaces(vol->VolCatName);
+ if (bnet_recv(dir) <= 0) {
+ Dmsg0(190, "updateVolCatInfo error bnet_recv\n");
+ Jmsg(jcr, M_ERROR, 0, _("Error updating Volume Info: %s\n"),
+ bnet_strerror(dir));
+ return 0;
+ }
+ Dmsg1(120, "Updatevol: %s", dir->msg);
+ if (strcmp(dir->msg, OK_update) != 0) {
+ Dmsg1(130, "Bad response from Dir: %s\n", dir->msg);
+ Jmsg(jcr, M_ERROR, 0, _("Error updating Volume Info: %s\n"), dir->msg);
+ return 0;
+ }
+ return 1;
+}
+
+/*
+ * After writing a Volume, create the JobMedia record.
+ */
+int dir_create_jobmedia_record(JCR *jcr)
+{
+ BSOCK *dir = jcr->dir_bsock;
+
+ bnet_fsend(dir, Create_job_media, jcr->Job,
jcr->VolFirstFile, jcr->JobFiles,
- jcr->start_file, jcr->end_file,
- jcr->start_block, jcr->end_block);
- Dmsg1(20, "update_volume_data(): %s", dir->msg);
+ jcr->StartFile, jcr->EndFile,
+ jcr->StartBlock, jcr->EndBlock);
+ Dmsg1(100, "create_jobmedia(): %s", dir->msg);
if (bnet_recv(dir) <= 0) {
- Dmsg0(90, "updateVolCatInfo error bnet_recv\n");
+ Dmsg0(190, "create_jobmedia error bnet_recv\n");
+ Jmsg(jcr, M_ERROR, 0, _("Error creating JobMedia record: %s\n"),
+ bnet_strerror(dir));
return 0;
}
- Dmsg1(20, "Updatevol: %s", dir->msg);
+ Dmsg1(120, "Create_jobmedia: %s", dir->msg);
if (strcmp(dir->msg, OK_update) != 0) {
- Dmsg1(30, "Bad response from Dir: %s\n", dir->msg);
- Jmsg(jcr, M_ERROR, 0, "Error updating Volume Info: %s\n",
- dir->msg);
+ Dmsg1(130, "Bad response from Dir: %s\n", dir->msg);
+ Jmsg(jcr, M_ERROR, 0, _("Error creating JobMedia record: %s\n"), dir->msg);
return 0;
}
return 1;
}
+
/*
* Update File Attribute data
*/
ser_declare;
dir->msglen = sprintf(dir->msg, FileAttributes, jcr->Job);
- dir->msg = (char *) check_pool_memory_size(dir->msg, dir->msglen +
+ dir->msg = check_pool_memory_size(dir->msg, dir->msglen +
sizeof(DEV_RECORD) + rec->data_len);
ser_begin(dir->msg + dir->msglen, 0);
ser_uint32(rec->VolSessionId);
* On success, jcr->VolumeName and jcr->VolCatInfo contain
* information on suggested volume, but this may not be the
* same as what is actually mounted.
+ *
+ * When we return with success, the correct tape may or may not
+ * actually be mounted. The calling routine must read it and
+ * verify the label.
*/
int dir_ask_sysop_to_mount_next_volume(JCR *jcr, DEVICE *dev)
{
- struct timeval tv;
- struct timezone tz;
- struct timespec timeout;
- int stat, jstat;
+ int stat = 0, jstat;
/* ******FIXME******* put these on config variable */
int min_wait = 60 * 60;
int max_wait = 24 * 60 * 60;
int wait_sec;
int num_wait = 0;
- int dev_blocked;
- char *msg;
- Dmsg0(30, "enter dir_ask_sysop_to_mount_next_volume\n");
+ Dmsg0(130, "enter dir_ask_sysop_to_mount_next_volume\n");
ASSERT(dev->dev_blocked);
wait_sec = min_wait;
for ( ;; ) {
- if (job_cancelled(jcr)) {
- Mmsg(&dev->errmsg, "Job %s cancelled while waiting for mount on Storage Device \"%s\".\n",
+ if (job_canceled(jcr)) {
+ Mmsg(&dev->errmsg, _("Job %s canceled while waiting for mount on Storage Device \"%s\".\n"),
jcr->Job, jcr->dev_name);
+ Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
return 0;
}
if (dir_find_next_appendable_volume(jcr)) { /* get suggested volume */
* removable media, return now, otherwise wait
* for the operator to mount the media.
*/
- if (jcr->VolumeName[0] && !(dev->capabilities & CAP_REM) &&
- dev->capabilities & CAP_LABEL) {
- Dmsg0(90, "Return 1 from mount without wait.\n");
+ if (jcr->VolumeName[0] && !dev_cap(dev, CAP_REM) && dev_cap(dev, CAP_LABEL)) {
+ Dmsg0(190, "Return 1 from mount without wait.\n");
return 1;
}
- if (dev->capabilities & CAP_ANONVOLS) {
- msg = "Suggest mounting";
- } else {
- msg = "Please mount";
- }
- Jmsg(jcr, M_MOUNT, 0, "%s Volume \"%s\" on Storage Device \"%s\" for Job %s\n",
- msg, jcr->VolumeName, jcr->dev_name, jcr->Job);
- Dmsg3(90, "Mount %s on %s for Job %s\n",
+ Jmsg(jcr, M_MOUNT, 0, _(
+"Please mount Volume \"%s\" on Storage Device \"%s\" for Job %s\n"
+"Use \"mount\" command to release Job.\n"),
+ jcr->VolumeName, jcr->dev_name, jcr->Job);
+ Dmsg3(190, "Mount %s on %s for Job %s\n",
jcr->VolumeName, jcr->dev_name, jcr->Job);
} else {
jstat = JS_WaitMedia;
- Jmsg(jcr, M_MOUNT, 0, "Job %s waiting. Cannot find any appendable volumes.\n\
-Please use the \"unmount\" and \"label\" commands to create new Volumes for:\n\
- Storage Device \"%s\" with Pool \"%s\" and Media type \"%s\".\n\
-Use \"mount\" to resume the job.\n",
- jcr->Job, jcr->dev_name, jcr->pool_name, jcr->media_type);
+ Jmsg(jcr, M_MOUNT, 0, _(
+"Job %s waiting. Cannot find any appendable volumes.\n\
+Please use the \"label\" command to create a new Volume for:\n\
+ Storage: %s\n\
+ Media type: %s\n\
+ Pool: %s\n"),
+ jcr->Job,
+ jcr->dev_name,
+ jcr->media_type,
+ jcr->pool_name);
}
- /*
- * Wait then send message again
- */
- gettimeofday(&tv, &tz);
- timeout.tv_nsec = tv.tv_usec * 1000;
- timeout.tv_sec = tv.tv_sec + wait_sec;
- P(dev->mutex);
- dev_blocked = dev->dev_blocked;
- dev->dev_blocked = BST_WAITING_FOR_SYSOP; /* indicate waiting for mount */
jcr->JobStatus = jstat;
dir_send_job_status(jcr);
- for ( ;!job_cancelled(jcr); ) {
- Dmsg1(90, "I'm going to sleep on device %s\n", dev->dev_name);
- stat = pthread_cond_timedwait(&dev->wait_next_vol, &dev->mutex, &timeout);
- if (dev->dev_blocked == BST_WAITING_FOR_SYSOP) {
- break;
- }
- /*
- * Someone other than us blocked the device (probably the
- * user via the Console program.
- * So, we continue waiting.
- */
- gettimeofday(&tv, &tz);
- timeout.tv_nsec = 0;
- timeout.tv_sec = tv.tv_sec + 10; /* wait 10 seconds */
- }
- dev->dev_blocked = dev_blocked;
- V(dev->mutex);
+ stat = device_wait(jcr, dev, wait_sec);
if (stat == ETIMEDOUT) {
wait_sec *= 2; /* double wait time */
}
num_wait++;
if (num_wait >= max_num_wait) {
- Mmsg(&dev->errmsg, "Gave up waiting to mount Storage Device \"%s\" for Job %s\n",
+ Mmsg(&dev->errmsg, _("Gave up waiting to mount Storage Device \"%s\" for Job %s\n"),
jcr->dev_name, jcr->Job);
- Jmsg(jcr, M_ERROR, 0, "%s", dev->errmsg);
- Dmsg1(90, "Gave up waiting on device %s\n", dev->dev_name);
+ Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
+ Dmsg1(190, "Gave up waiting on device %s\n", dev->dev_name);
return 0; /* exceeded maximum waits */
}
continue;
}
if (stat == EINVAL) {
- Mmsg2(&dev->errmsg, "pthread error in mount_next_volume stat=%d ERR=%s\n",
+ Mmsg2(&dev->errmsg, _("pthread error in mount_next_volume stat=%d ERR=%s\n"),
stat, strerror(stat));
- Jmsg(jcr, M_ERROR, 0, "%s", dev->errmsg);
+ Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
return 0;
}
if (stat != 0) {
- Jmsg(jcr, M_ERROR, 0, "pthread error in mount_next_volume stat=%d ERR=%s\n", stat,
+ Jmsg(jcr, M_WARNING, 0, _("pthread error in mount_next_volume stat=%d ERR=%s\n"), stat,
strerror(stat));
}
- Dmsg1(90, "Someone woke me for device %s\n", dev->dev_name);
+ Dmsg1(190, "Someone woke me for device %s\n", dev->dev_name);
/* Restart wait counters */
wait_sec = min_wait;
/* If no VolumeName, and cannot get one, try again */
if (jcr->VolumeName[0] == 0 &&
!dir_find_next_appendable_volume(jcr)) {
- Jmsg(jcr, M_MOUNT, 0,
-"You woke me up, but I cannot find any appendable\n\
-volumes for Job=%s.\n", jcr->Job);
+ Jmsg(jcr, M_MOUNT, 0, _(
+"Someone woke me up, but I cannot find any appendable\n\
+volumes for Job=%s.\n"), jcr->Job);
continue;
}
break;
}
- jcr->JobStatus = JS_Running;
+ set_jcr_job_status(jcr, JS_Running);
dir_send_job_status(jcr);
- Dmsg0(30, "leave dir_ask_sysop_to_mount_next_volume\n");
+ Dmsg0(130, "leave dir_ask_sysop_to_mount_next_volume\n");
return 1;
}
*/
int dir_ask_sysop_to_mount_volume(JCR *jcr, DEVICE *dev)
{
- int stat, jstat;
+ int stat = 0;
/* ******FIXME******* put these on config variable */
int min_wait = 60 * 60;
int max_wait = 24 * 60 * 60;
int max_num_wait = 9; /* 5 waits =~ 1 day, then 1 day at a time */
int wait_sec;
int num_wait = 0;
- int dev_blocked;
char *msg;
- struct timeval tv;
- struct timezone tz;
- struct timespec timeout;
- Dmsg0(30, "enter dir_ask_sysop_to_mount_next_volume\n");
+ Dmsg0(130, "enter dir_ask_sysop_to_mount_next_volume\n");
if (!jcr->VolumeName[0]) {
- Mmsg0(&dev->errmsg, "Cannot request another volume: no volume name given.\n");
+ Mmsg0(&dev->errmsg, _("Cannot request another volume: no volume name given.\n"));
return 0;
}
ASSERT(dev->dev_blocked);
wait_sec = min_wait;
for ( ;; ) {
- if (job_cancelled(jcr)) {
- Mmsg(&dev->errmsg, "Job %s cancelled while waiting for mount on Storage Device \"%s\".\n",
+ if (job_canceled(jcr)) {
+ Mmsg(&dev->errmsg, _("Job %s canceled while waiting for mount on Storage Device \"%s\".\n"),
jcr->Job, jcr->dev_name);
return 0;
}
- msg = "Please mount";
- Jmsg(jcr, M_MOUNT, 0, "%s Volume \"%s\" on Storage Device \"%s\" for Job %s\n",
+ msg = _("Please mount");
+ Jmsg(jcr, M_MOUNT, 0, _("%s Volume \"%s\" on Storage Device \"%s\" for Job %s\n"),
msg, jcr->VolumeName, jcr->dev_name, jcr->Job);
- Dmsg3(90, "Mount %s on %s for Job %s\n",
+ Dmsg3(190, "Mount %s on %s for Job %s\n",
jcr->VolumeName, jcr->dev_name, jcr->Job);
- /*
- * Wait then send message again
- */
- gettimeofday(&tv, &tz);
- timeout.tv_nsec = tv.tv_usec * 1000;
- timeout.tv_sec = tv.tv_sec + wait_sec;
-
- P(dev->mutex);
- dev_blocked = dev->dev_blocked;
- dev->dev_blocked = BST_WAITING_FOR_SYSOP; /* indicate waiting for mount */
- jcr->JobStatus = jstat;
+ jcr->JobStatus = JS_WaitMount;
dir_send_job_status(jcr);
- for ( ;!job_cancelled(jcr); ) {
- Dmsg1(90, "I'm going to sleep on device %s\n", dev->dev_name);
- stat = pthread_cond_timedwait(&dev->wait_next_vol, &dev->mutex, &timeout);
- if (dev->dev_blocked == BST_WAITING_FOR_SYSOP) {
- break;
- }
- /*
- * Someone other than us blocked the device (probably the
- * user via the Console program.
- * So, we continue waiting.
- */
- gettimeofday(&tv, &tz);
- timeout.tv_nsec = 0;
- timeout.tv_sec = tv.tv_sec + 10; /* wait 10 seconds */
- }
- dev->dev_blocked = dev_blocked;
- V(dev->mutex);
+ stat = device_wait(jcr, dev, wait_sec); /* wait on device */
if (stat == ETIMEDOUT) {
wait_sec *= 2; /* double wait time */
}
num_wait++;
if (num_wait >= max_num_wait) {
- Mmsg(&dev->errmsg, "Gave up waiting to mount Storage Device \"%s\" for Job %s\n",
+ Mmsg(&dev->errmsg, _("Gave up waiting to mount Storage Device \"%s\" for Job %s\n"),
jcr->dev_name, jcr->Job);
- Jmsg(jcr, M_ERROR, 0, "%s", dev->errmsg);
- Dmsg1(90, "Gave up waiting on device %s\n", dev->dev_name);
+ Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
+ Dmsg1(190, "Gave up waiting on device %s\n", dev->dev_name);
return 0; /* exceeded maximum waits */
}
continue;
}
if (stat == EINVAL) {
- Mmsg2(&dev->errmsg, "pthread error in mount_volume stat=%d ERR=%s\n",
+ Mmsg2(&dev->errmsg, _("pthread error in mount_volume stat=%d ERR=%s\n"),
stat, strerror(stat));
- Jmsg(jcr, M_ERROR, 0, "%s", dev->errmsg);
+ Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
return 0;
}
if (stat != 0) {
- Jmsg(jcr, M_ERROR, 0, "pthread error in mount_next_volume stat=%d ERR=%s\n", stat,
+ Jmsg(jcr, M_ERROR, 0, _("pthread error in mount_next_volume stat=%d ERR=%s\n"), stat,
strerror(stat));
}
- Dmsg1(90, "Someone woke me for device %s\n", dev->dev_name);
+ Dmsg1(190, "Someone woke me for device %s\n", dev->dev_name);
/* Restart wait counters */
wait_sec = min_wait;
num_wait = 0;
break;
}
- jcr->JobStatus = JS_Running;
+ set_jcr_job_status(jcr, JS_Running);
dir_send_job_status(jcr);
- Dmsg0(30, "leave dir_ask_sysop_to_mount_next_volume\n");
+ Dmsg0(130, "leave dir_ask_sysop_to_mount_next_volume\n");
return 1;
}
+
+#define HB_TIME 20*60 /* send a heatbeat once every 20 minutes while waiting */
+
+static int device_wait(JCR *jcr, DEVICE *dev, int wait_sec)
+{
+ struct timeval tv;
+ struct timezone tz;
+ struct timespec timeout;
+ int dev_blocked;
+ time_t start = time(NULL);
+ time_t last_heartbeat = 0;
+ int stat = 0;
+
+ /*
+ * Wait requested time (wait_sec). However, we also wake up every
+ * HB_TIME seconds and send a heartbeat to the FD and the Director
+ * to keep stateful firewalls from closing them down while waiting
+ * for the operator.
+ */
+ gettimeofday(&tv, &tz);
+ timeout.tv_nsec = tv.tv_usec * 1000;
+ timeout.tv_sec = tv.tv_sec + (wait_sec > HB_TIME ? HB_TIME: wait_sec);
+
+ P(dev->mutex);
+ dev_blocked = dev->dev_blocked;
+ dev->dev_blocked = BST_WAITING_FOR_SYSOP; /* indicate waiting for mount */
+
+ for ( ; !job_canceled(jcr); ) {
+ int add_wait;
+
+ Dmsg1(190, "I'm going to sleep on device %s\n", dev->dev_name);
+ stat = pthread_cond_timedwait(&dev->wait_next_vol, &dev->mutex, &timeout);
+
+ /* Note, this always triggers the first time. We want that. */
+ time_t now = time(NULL);
+ if (now - last_heartbeat >= HB_TIME) {
+ /* send heartbeats */
+ if (jcr->file_bsock) {
+ bnet_sig(jcr->file_bsock, BNET_HEARTBEAT);
+ }
+ if (jcr->dir_bsock) {
+ bnet_sig(jcr->dir_bsock, BNET_HEARTBEAT);
+ }
+ last_heartbeat = now;
+ }
+
+ /* Check if we blocked the device */
+ if (dev->dev_blocked == BST_WAITING_FOR_SYSOP) {
+ if (stat != ETIMEDOUT) { /* we blocked the device */
+ break; /* on error return */
+ }
+ if (now - start >= wait_sec) { /* on exceeding wait time return */
+ break;
+ }
+ add_wait = wait_sec - (now - start);
+ if (add_wait > HB_TIME) {
+ add_wait = HB_TIME;
+ }
+ } else { /* Oops someone else has it blocked now */
+ add_wait = 10; /* hang around until he releases it */
+ }
+ /*
+ * Note, if dev_blocked is not BST_WAITING FOR_SYSOP,
+ * someone other than us has blocked the device (probably the
+ * user via the Console program), so we continue waiting
+ * until he releases the device back to us.
+ */
+ gettimeofday(&tv, &tz);
+ timeout.tv_nsec = tv.tv_usec * 1000;
+ timeout.tv_sec = tv.tv_sec + add_wait; /* additional wait */
+ }
+
+ dev->dev_blocked = dev_blocked;
+ V(dev->mutex);
+ return stat;
+}