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8249627: Degrade Thread.suspend and Thread.resume

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Reviewed-by: cjplummer, sspitsyn, dholmes, jpai
This commit is contained in:
Alan Bateman 2022-09-27 11:43:59 +00:00
parent bc12e9553d
commit 1abf971b93
15 changed files with 113 additions and 232 deletions
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13
src/java.base/share/classes/java/lang/SecurityManager.java
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@ -494,7 +494,6 @@ public class SecurityManager {
* calling thread is not allowed to modify the thread argument.
* <p>
* This method is invoked for the current security manager by the
* {@code stop}, {@code suspend}, {@code resume},
* {@code setPriority}, {@code setName}, and
* {@code setDaemon} methods of class {@code Thread}.
* <p>
@ -523,12 +522,9 @@ public class SecurityManager {
* permission to modify the thread.
* @throws NullPointerException if the thread argument is
* {@code null}.
* @see java.lang.Thread#resume() resume
* @see java.lang.Thread#setDaemon(boolean) setDaemon
* @see java.lang.Thread#setName(java.lang.String) setName
* @see java.lang.Thread#setPriority(int) setPriority
* @see java.lang.Thread#stop() stop
* @see java.lang.Thread#suspend() suspend
* @see #checkPermission(java.security.Permission) checkPermission
*/
public void checkAccess(Thread t) {
@ -547,9 +543,8 @@ public class SecurityManager {
* <p>
* This method is invoked for the current security manager when a
* new child thread or child thread group is created, and by the
* {@code setDaemon}, {@code setMaxPriority},
* {@code stop}, {@code suspend}, {@code resume}, and
* {@code destroy} methods of class {@code ThreadGroup}.
* {@code setDaemon} and {@code setMaxPriority} methods of class
* {@code ThreadGroup}.
* <p>
* If the thread group argument is the system thread group (
* has a {@code null} parent) then
@ -576,12 +571,8 @@ public class SecurityManager {
* permission to modify the thread group.
* @throws NullPointerException if the thread group argument is
* {@code null}.
* @see java.lang.ThreadGroup#destroy() destroy
* @see java.lang.ThreadGroup#resume() resume
* @see java.lang.ThreadGroup#setDaemon(boolean) setDaemon
* @see java.lang.ThreadGroup#setMaxPriority(int) setMaxPriority
* @see java.lang.ThreadGroup#stop() stop
* @see java.lang.ThreadGroup#suspend() suspend
* @see #checkPermission(java.security.Permission) checkPermission
*/
public void checkAccess(ThreadGroup g) {