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8288984: Simplification in java.lang.Runtime::exit

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Reviewed-by: dholmes, chegar, alanb, kbarrett
This commit is contained in:
Ryan Ernst 2022-07-12 13:50:36 +00:00 • committed by Chris Hegarty
parent 393dc7ade7
commit ea12615d2f
2 changed files with 5 additions and 10 deletions
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9
src/java.base/share/classes/java/lang/Runtime.java
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@ -83,10 +83,11 @@ public class Runtime {
* until they finish. Once this is done the virtual machine
* {@linkplain #halt halts}.
*
* <p> If this method is invoked after all shutdown hooks have already
* been run and the status is nonzero then this method halts the
* virtual machine with the given status code. Otherwise, this method
* blocks indefinitely.
* <p> Invocations of this method are serialized such that only one
* invocation will actually proceed with the shutdown sequence and
* terminate the VM with the given status code. All other invocations
* will block indefinitely. If this method is invoked from a shutdown
* hook the system will deadlock.
*
* <p> The {@link System#exit(int) System.exit} method is the
* conventional and convenient means of invoking this method.

6
src/java.base/share/classes/java/lang/Shutdown.java
View file

@ -159,12 +159,6 @@ class Shutdown {
* which should pass a nonzero status code.
*/
static void exit(int status) {
synchronized (lock) {
if (status != 0 && VM.isShutdown()) {
/* Halt immediately on nonzero status */
halt(status);
}
}
synchronized (Shutdown.class) {
/* Synchronize on the class object, causing any other thread
* that attempts to initiate shutdown to stall indefinitely