stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8255858: Add debug agent support for storing thread names

Browse Source 
Reviewed-by: sspitsyn, amenkov
This commit is contained in:
Chris Plummer 2020-11-04 22:43:34 +00:00
parent a0ade22057
commit 166c728300
1 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/jdk.jdwp.agent/share/native/libjdwp/threadControl.c
View File

@ -84,6 +84,9 @@ typedef struct ThreadNode {
struct ThreadNode *prev;
jlong frameGeneration;
struct ThreadList *list; /* Tells us what list this thread is in */
#ifdef DEBUG_THREADNAME
char name[256];
#endif
} ThreadNode;
static jint suspendAllCount;
@ -349,6 +352,22 @@ insertThread(JNIEnv *env, ThreadList *list, jthread thread)
node->eventBag = eventBag;
addNode(list, node);
#ifdef DEBUG_THREADNAME
{
/* Set the thread name */
jvmtiThreadInfo info;
jvmtiError error;
memset(&info, 0, sizeof(info));
error = JVMTI_FUNC_PTR(gdata->jvmti,GetThreadInfo)
(gdata->jvmti, node->thread, &info);
if (info.name != NULL) {
strncpy(node->name, info.name, sizeof(node->name) - 1);
jvmtiDeallocate(info.name);
}
}
#endif
/* Set thread local storage for quick thread -> node access.
* Some threads may not be in a state that allows setting of TLS,
* which is ok, see findThread, it deals with threads without TLS set.