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Bug 977372 - Close IPC'd filedescriptor from device descriptor when finished with it. r=mikeh

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This commit is contained in:
Dave Hylands 2014-02-28 12:02:55 -08:00
parent 4c10f6696b
commit 3328e4df15
2 changed files with 10 additions and 1 deletions
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7
dom/camera/DOMCameraControl.cpp
View File

@ -11,6 +11,7 @@
#include "DeviceStorage.h"
#include "DeviceStorageFileDescriptor.h"
#include "mozilla/dom/TabChild.h"
#include "mozilla/FileUtils.h"
#include "mozilla/MediaManager.h"
#include "mozilla/Services.h"
#include "mozilla/unused.h"
@ -728,7 +729,11 @@ nsDOMCameraControl::OnCreatedFileDescriptor(bool aSucceeded)
return;
}
}
// An error occured. We need to manually close the file descriptor since
// the FileDescriptor destructor doesn't close file handles which originate
// from other processes.
int fd = mDSFileDescriptor->mFileDescriptor.PlatformHandle();
ScopedClose autoClose(fd);
OnError(CameraControlListener::kInStartRecording, NS_LITERAL_STRING("FAILURE"));
}

4
dom/camera/GonkCameraControl.cpp
View File

@ -856,7 +856,11 @@ nsGonkCameraControl::StartRecordingImpl(DeviceStorageFileDescriptor* aFileDescri
}
nsresult rv;
// SetupRecording creates a dup of the file descriptor, and since it
// was created in the parent, the FileDescriptor destructor won't close
// it, so we go ahead and close it once we leave this function.
int fd = aFileDescriptor->mFileDescriptor.PlatformHandle();
ScopedClose autoClose(fd);
if (aOptions) {
rv = SetupRecording(fd, aOptions->rotation, aOptions->maxFileSizeBytes,
aOptions->maxVideoLengthMs);