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Implemented job related functions.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4138 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2003-07-30 17:49:50 +00:00
parent fe05b0ac95
commit 68f12c0221
2 changed files with 72 additions and 6 deletions
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10
headers/private/kernel/disk_device_manager/disk_device_manager.h
View File

@ -109,12 +109,10 @@ void partition_modified(partition_id partitionID);
disk_system_id find_disk_system(const char *name);
// jobs
bool set_disk_device_job_status(disk_job_id job, uint32 status);
// probably not needed
uint32 get_disk_device_job_status(disk_job_id job);
bool update_disk_device_job_progress(disk_job_id job, float progress);
bool update_disk_device_job_extra_progress(disk_job_id job, const char *info);
uint32 update_disk_device_job_interrupt_properties(disk_job_id job,
bool update_disk_device_job_progress(disk_job_id jobID, float progress);
bool update_disk_device_job_extra_progress(disk_job_id jobID,
const char *info);
uint32 update_disk_device_job_interrupt_properties(disk_job_id jobID,
uint32 interruptProperties);
// returns one of B_DISK_DEVICE_JOB_{CONTINUE,CANCEL,REVERSE}

68
src/kernel/core/disk_device_manager/disk_device_manager.cpp
View File

@ -4,6 +4,8 @@
#include "disk_device_manager.h"
#include "KDiskDevice.h"
#include "KDiskDeviceJob.h"
#include "KDiskDeviceJobQueue.h"
#include "KDiskDeviceManager.h"
#include "KDiskDeviceUtils.h"
#include "KDiskSystem.h"
@ -190,3 +192,69 @@ find_disk_system(const char *name)
return -1;
}
// update_disk_device_job_progress
bool
update_disk_device_job_progress(disk_job_id jobID, float progress)
{
KDiskDeviceManager *manager = KDiskDeviceManager::Default();
if (ManagerLocker locker = manager) {
if (KDiskDeviceJob *job = manager->FindJob(jobID)) {
job->UpdateProgress(progress);
return true;
}
}
return false;
}
// update_disk_device_job_extra_progress
bool
update_disk_device_job_extra_progress(disk_job_id jobID, const char *info)
{
KDiskDeviceManager *manager = KDiskDeviceManager::Default();
if (ManagerLocker locker = manager) {
if (KDiskDeviceJob *job = manager->FindJob(jobID)) {
job->UpdateExtraProgress(info);
return true;
}
}
return false;
}
// update_disk_device_job_interrupt_properties
uint32
update_disk_device_job_interrupt_properties(disk_job_id jobID,
uint32 interruptProperties)
{
bool paused = false;
KDiskDeviceManager *manager = KDiskDeviceManager::Default();
do {
sem_id pauseSemaphore = -1;
if (ManagerLocker locker = manager) {
// get the job and the respective job queue
if (KDiskDeviceJob *job = manager->FindJob(jobID)) {
if (KDiskDeviceJobQueue *jobQueue = job->JobQueue()) {
// terminate if canceled.
if (jobQueue->IsCanceled()) {
if (jobQueue->ShallReverse())
return B_DISK_DEVICE_JOB_REVERSE;
return B_DISK_DEVICE_JOB_CANCEL;
}
// set the new interrupt properties only when not
// requested to pause
if (jobQueue->IsPauseRequested())
pauseSemaphore = jobQueue->ReadyToPause();
else
job->SetInterruptProperties(interruptProperties);
}
}
}
// pause, if requested; redo the loop then
paused = (pauseSemaphore >= 0);
if (paused) {
acquire_sem(pauseSemaphore);
pauseSemaphore = -1;
}
} while (paused);
return B_DISK_DEVICE_JOB_CONTINUE;
}