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7186945: Unpack200 improvement

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Reviewed-by: jrose, jjh, mschoene
This commit is contained in:
Kumar Srinivasan 2012-10-16 12:29:10 -07:00
parent e2a34e4d9e
commit 1ee5b4509e
1 changed files with 9 additions and 4 deletions
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13
jdk/src/share/native/com/sun/java/util/jar/pack/jni.cpp
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@ -127,8 +127,10 @@ static jlong read_input_via_jni(unpacker* self,
JNIEXPORT void JNICALL JNIEXPORT void JNICALL
Java_com_sun_java_util_jar_pack_NativeUnpack_initIDs(JNIEnv *env, jclass clazz) { Java_com_sun_java_util_jar_pack_NativeUnpack_initIDs(JNIEnv *env, jclass clazz) {
#ifndef PRODUCT
dbg = getenv("DEBUG_ATTACH"); dbg = getenv("DEBUG_ATTACH");
while( dbg != null) { sleep(10); } while( dbg != null) { sleep(10); }
#endif
NIclazz = (jclass) env->NewGlobalRef(clazz); NIclazz = (jclass) env->NewGlobalRef(clazz);
unpackerPtrFID = env->GetFieldID(clazz, "unpackerPtr", "J"); unpackerPtrFID = env->GetFieldID(clazz, "unpackerPtr", "J");
currentInstMID = env->GetStaticMethodID(clazz, "currentInstance", currentInstMID = env->GetStaticMethodID(clazz, "currentInstance",
@ -230,11 +232,14 @@ Java_com_sun_java_util_jar_pack_NativeUnpack_getUnusedInput(JNIEnv *env, jobject
// We have fetched all the files. // We have fetched all the files.
// Now swallow up any remaining input. // Now swallow up any remaining input.
if (uPtr->input_remaining() == 0) if (uPtr->input_remaining() == 0) {
return null; return null;
else } else {
return env->NewDirectByteBuffer(uPtr->input_scan(), bytes remaining_bytes;
uPtr->input_remaining()); remaining_bytes.malloc(uPtr->input_remaining());
remaining_bytes.copyFrom(uPtr->input_scan(), uPtr->input_remaining());
return env->NewDirectByteBuffer(remaining_bytes.ptr, remaining_bytes.len);
}
} }
JNIEXPORT jlong JNICALL JNIEXPORT jlong JNICALL