costin 02/05/10 17:02:53
Modified: jk/native2/common jk_channel_jni.c
Log:
Display a small warning if getArray() doesn't pin, it's an indication
of possible performance problems.
Revision Changes Path
1.17 +14 -4 jakarta-tomcat-connectors/jk/native2/common/jk_channel_jni.c
Index: jk_channel_jni.c
===================================================================
RCS file: /home/cvs/jakarta-tomcat-connectors/jk/native2/common/jk_channel_jni.c,v
retrieving revision 1.16
retrieving revision 1.17
diff -u -r1.16 -r1.17
--- jk_channel_jni.c 10 May 2002 00:01:37 -0000 1.16
+++ jk_channel_jni.c 11 May 2002 00:02:53 -0000 1.17
@@ -317,7 +317,7 @@
jbyte *nbuf;
jbyteArray jbuf;
int jlen;
- jboolean iscommit=0;
+ jboolean iscopy=0;
JNIEnv *jniEnv;
jk_channel_jni_private_t *jniCh=_this->_privatePtr;
jk_ch_jni_ep_private_t *epData=
@@ -369,8 +369,15 @@
* write method. XXX We could try 'pining' if the vm supports
* it, this is a looong lived object.
*/
- nbuf = (*jniEnv)->GetByteArrayElements(jniEnv, jbuf, &iscommit);
-
+#ifdef JK_JNI_CRITICAL
+ nbuf = (*jniEnv)->GetPrimitiveArrayCritical(jniEnv, jbuf, &iscopy);
+#else
+ nbuf = (*jniEnv)->GetByteArrayElements(jniEnv, jbuf, &iscopy);
+#endif
+ if( iscopy )
+ env->l->jkLog(env, env->l, JK_LOG_INFO,
+ "channelJni.send() get java bytes iscopy %d\n", iscopy);
+
if(nbuf==NULL ) {
env->l->jkLog(env, env->l, JK_LOG_ERROR,
"channelJni.send() Can't get java bytes");
@@ -384,8 +391,11 @@
memcpy( nbuf, b, len );
+#ifdef JK_JNI_CRITICAL
+ (*jniEnv)->ReleasePrimitiveArrayCritical(jniEnv, jbuf, nbuf, 0);
+#else
(*jniEnv)->ReleaseByteArrayElements(jniEnv, jbuf, nbuf, 0);
-
+#endif
if( _this->mbean->debug > 0 )
env->l->jkLog(env, env->l, JK_LOG_INFO,
"channel_jni.send() before send %p\n",
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