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Synchronize before acquiring file lock

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Reviewed By: dcaspi

Differential Revision: D4071662

fbshipit-source-id: 3458ff103fddb82a7588d7890f8bc931c0e19e14
This commit is contained in:
Michał Gregorczyk 2016-10-24 23:01:51 -07:00 committed by Facebook Github Bot
parent 5f15554100
commit cfebad97b2
1 changed files with 10 additions and 6 deletions
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16
ReactAndroid/src/main/java/com/facebook/react/cxxbridge/UnpackingJSBundleLoader.java
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@ -91,12 +91,16 @@ public class UnpackingJSBundleLoader extends JSBundleLoader {
final File lockFilePath = new File(mContext.getFilesDir(), LOCK_FILE);
Systrace.beginSection(TRACE_TAG_REACT_JAVA_BRIDGE, "UnpackingJSBundleLoader.prepare");
try (FileLocker lock = FileLocker.lock(lockFilePath)) {
unpacked = prepareLocked();
} catch (IOException ioe) {
throw new RuntimeException(ioe);
} finally {
Systrace.endSection(TRACE_TAG_REACT_JAVA_BRIDGE);
// Make sure we don't release the lock by letting other thread close the lock file
synchronized(UnpackingJSBundleLoader.class) {
try (FileLocker lock = FileLocker.lock(lockFilePath)) {
unpacked = prepareLocked();
} catch (IOException ioe) {
throw new RuntimeException(ioe);
} finally {
Systrace.endSection(TRACE_TAG_REACT_JAVA_BRIDGE);
}
}
if (unpacked && mOnUnpackedCallback != null) {