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Merge "Fix an issue when empty the usap pool." am: faf1b1cf0b am: 9078248b75 am: 80f41edf05

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Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1893002

Change-Id: Idbaa45d4871c7e6c1e15d7af4fb432a2b24a49cf
This commit is contained in:
Treehugger Robot
2021-11-29 08:28:34 +00:00
committed by Automerger Merge Worker
parent dd21ee9828 80f41edf05
commit 81dd7537eb
1 changed files with 6 additions and 4 deletions
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10
core/java/com/android/internal/os/Zygote.java
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@@ -724,9 +724,6 @@ public final class Zygote {
DataOutputStream usapOutputStream = null;
ZygoteArguments args = null;
// Block SIGTERM so we won't be killed if the Zygote flushes the USAP pool.
blockSigTerm();
LocalSocket sessionSocket = null;
if (argBuffer == null) {
// Read arguments from usapPoolSocket instead.
@@ -742,6 +739,10 @@ public final class Zygote {
ZygoteCommandBuffer tmpArgBuffer = null;
try {
sessionSocket = usapPoolSocket.accept();
// Block SIGTERM so we won't be killed if the Zygote flushes the USAP pool.
// This is safe from a race condition because the pool is only flushed after
// the SystemServer changes its internal state to stop using the USAP pool.
blockSigTerm();
usapOutputStream =
new DataOutputStream(sessionSocket.getOutputStream());
@@ -759,9 +760,10 @@ public final class Zygote {
unblockSigTerm();
IoUtils.closeQuietly(sessionSocket);
IoUtils.closeQuietly(tmpArgBuffer);
blockSigTerm();
}
} else {
// Block SIGTERM so we won't be killed if the Zygote flushes the USAP pool.
blockSigTerm();
try {
args = ZygoteArguments.getInstance(argBuffer);
} catch (Exception ex) {