msb-public
/
FairEmail
mirror of https://github.com/M66B/FairEmail.git
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Code Issues Projects Releases Wiki Activity

Prevent NPE

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pull/210/head
M66B 2 years ago
parent 466a04f764
commit f84c332c9e
1 changed files with 8 additions and 6 deletions
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14
app/src/main/java/eu/faircode/email/Helper.java
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@ -251,7 +251,7 @@ public class Helper {
static ExecutorService sSerialTaskExecutor = null; static ExecutorService sSerialTaskExecutor = null;
static int sOperationIndex = 0; static int sOperationIndex = 0;
static ExecutorService[] sOperationExecutor = new ExecutorService[OPERATION_WORKERS]; static final ExecutorService[] sOperationExecutor = new ExecutorService[OPERATION_WORKERS];
static ExecutorService getSerialExecutor() { static ExecutorService getSerialExecutor() {
if (sSerialExecutor == null) if (sSerialExecutor == null)
@ -272,11 +272,13 @@ public class Helper {
} }
static ExecutorService getOperationExecutor() { static ExecutorService getOperationExecutor() {
if (sOperationExecutor[sOperationIndex] == null) synchronized (sOperationExecutor) {
sOperationExecutor[sOperationIndex] = getBackgroundExecutor(1, "operation"); if (sOperationExecutor[sOperationIndex] == null)
ExecutorService result = sOperationExecutor[sOperationIndex]; sOperationExecutor[sOperationIndex] = getBackgroundExecutor(1, "operation");
sOperationIndex = (sOperationIndex + 1) % sOperationExecutor.length; ExecutorService result = sOperationExecutor[sOperationIndex];
return result; sOperationIndex = (sOperationIndex + 1) % sOperationExecutor.length;
return result;
}
} }
private static ExecutorService getBackgroundExecutor(int threads, final String name) { private static ExecutorService getBackgroundExecutor(int threads, final String name) {

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