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Ensure ThreadDeath propagates fully - Fixes #3521

This commit is contained in:
Aikar 2020-06-08 11:54:12 -04:00
parent 9fa6ba267c
commit 5e3bacbced
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GPG Key ID: 401ADFC9891FAAFE
2 changed files with 31 additions and 12 deletions
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37
Spigot-Server-Patches/0467-Improved-Watchdog-Support.patch
View File

@ -101,7 +101,7 @@ index cfe43e882e524b6ab3d9702e81269c97e6b75eba..2632c7c3ec77918be7979f2aa49209e5
}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 711a00c9e3781d3b32f2b514302f530df15a4257..1bdf16bd8298ccbfa9ea2604ac61ee15bee96e20 100644
index c07339c87f8efff9c26aadc778cc3b16e170673f..d1a1c4a89d7148c58d1e60843f233f026a6d9f0e 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -144,6 +144,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@ -121,20 +121,31 @@ index 711a00c9e3781d3b32f2b514302f530df15a4257..1bdf16bd8298ccbfa9ea2604ac61ee15
// CraftBukkit end
// Spigot start
public static final int TPS = 20;
@@ -725,7 +726,12 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -725,10 +726,22 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
// CraftBukkit start - prevent double stopping on multiple threads
synchronized(stopLock) {
if (hasStopped) return;
+ shutdownThread = Thread.currentThread();
hasStopped = true;
+ org.spigotmc.WatchdogThread.doStop(); // Paper
+ // Paper start - kill main thread, and kill it hard
+ if (!isMainThread()) {
+ while (this.getThread().isAlive()) {
+ this.getThread().stop();
+ try {
+ Thread.sleep(1);
+ } catch (InterruptedException e) {}
+ }
+ }
+ // Paper end
}
// CraftBukkit end
MinecraftServer.LOGGER.info("Stopping server");
@@ -785,7 +791,18 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
- MinecraftServer.LOGGER.info("Stopping server");
+ MinecraftServer.LOGGER.info("Stopping server (Ignore any thread death message you see! - DO NOT REPORT THREAD DEATH TO PAPER)"); // Paper
MinecraftTimings.stopServer(); // Paper
// CraftBukkit start
if (this.server != null) {
@@ -785,7 +798,18 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
this.getUserCache().c(false); // Paper
}
// Spigot end
@ -153,7 +164,7 @@ index 711a00c9e3781d3b32f2b514302f530df15a4257..1bdf16bd8298ccbfa9ea2604ac61ee15
}
public String getServerIp() {
@@ -878,6 +895,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -878,6 +902,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
public void run() {
try {
@ -161,7 +172,7 @@ index 711a00c9e3781d3b32f2b514302f530df15a4257..1bdf16bd8298ccbfa9ea2604ac61ee15
if (this.init()) {
this.nextTick = SystemUtils.getMonotonicMillis();
this.serverPing.setMOTD(new ChatComponentText(this.motd));
@@ -885,6 +903,18 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -885,6 +910,18 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
this.a(this.serverPing);
// Spigot start
@ -180,7 +191,7 @@ index 711a00c9e3781d3b32f2b514302f530df15a4257..1bdf16bd8298ccbfa9ea2604ac61ee15
org.spigotmc.WatchdogThread.hasStarted = true; // Paper
Arrays.fill( recentTps, 20 );
long start = System.nanoTime(), curTime, tickSection = start; // Paper - Further improve server tick loop
@@ -941,6 +971,12 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -941,6 +978,12 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
this.a((CrashReport) null);
}
} catch (Throwable throwable) {
@ -193,7 +204,7 @@ index 711a00c9e3781d3b32f2b514302f530df15a4257..1bdf16bd8298ccbfa9ea2604ac61ee15
MinecraftServer.LOGGER.error("Encountered an unexpected exception", throwable);
// Spigot Start
if ( throwable.getCause() != null )
@@ -972,14 +1008,14 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -972,14 +1015,14 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
} catch (Throwable throwable1) {
MinecraftServer.LOGGER.error("Exception stopping the server", throwable1);
} finally {
@ -211,7 +222,7 @@ index 711a00c9e3781d3b32f2b514302f530df15a4257..1bdf16bd8298ccbfa9ea2604ac61ee15
}
}
@@ -1035,6 +1071,12 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -1035,6 +1078,12 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@Override
protected TickTask postToMainThread(Runnable runnable) {
@ -224,6 +235,14 @@ index 711a00c9e3781d3b32f2b514302f530df15a4257..1bdf16bd8298ccbfa9ea2604ac61ee15
return new TickTask(this.ticks, runnable);
}
@@ -1278,6 +1327,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
midTickLoadChunks(); // Paper
} catch (Throwable throwable) {
// Spigot Start
+ if (throwable instanceof ThreadDeath) { throw throwable; } // Paper
CrashReport crashreport;
try {
crashreport = CrashReport.a(throwable, "Exception ticking world");
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index ea6b310e8e4741c8bb301e5bc586faca8bea5e06..6bdaaf8daef15cd7c11943254e412e0e2d2898fb 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java

4
Spigot-Server-Patches/0517-Wait-for-Async-Tasks-during-shutdown.patch
View File

@ -10,10 +10,10 @@ Adds a 5 second grace period for any async tasks to finish and warns
if any are still running after that delay just as reload does.
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 4ea3468614df36e1c148a44bb15d2201da281df3..5b24de6d6071bddee642ddbc00959cf93792051e 100644
index d1a1c4a89d7148c58d1e60843f233f026a6d9f0e..b853d50a4a23de87a87d674cd7e01484d750c352 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -739,6 +739,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
@@ -746,6 +746,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
// CraftBukkit start
if (this.server != null) {
this.server.disablePlugins();