ExternalVendorCode/corda
1
0
Fork 0
mirror of https://github.com/corda/corda.git synced 2025-01-22 12:28:11 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

implement JVM_SetSockOpt and Unsafe.getLongVolatile

Browse Source
This commit is contained in:
Joel Dice 2011-02-22 18:37:42 -07:00
parent bead78d982
commit 45674efcea
1 changed files with 47 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
src/classpath-openjdk.cpp
View File

@ -1395,6 +1395,22 @@ pipeAvailable(int fd, int* available)
#endif
}
object
fieldForOffset(Thread* t, object o, unsigned offset)
{
object table = classFieldTable(t, objectClass(t, o));
for (unsigned i = 0; i < objectArrayLength(t, table); ++i) {
object field = objectArrayBody(t, table, i);
if ((fieldFlags(t, field) & ACC_STATIC) == 0
and fieldOffset(t, field) == offset)
{
return field;
}
}
abort(t);
}
} // namespace local
} // namespace
@ -1569,6 +1585,32 @@ Avian_sun_misc_Unsafe_getIntVolatile
return result;
}
extern "C" JNIEXPORT int64_t JNICALL
Avian_sun_misc_Unsafe_getLongVolatile
(Thread* t, object, uintptr_t* arguments)
{
object o = reinterpret_cast<object>(arguments[1]);
int64_t offset; memcpy(&offset, arguments + 2, 8);
object field;
if (BytesPerWord < 8) {
field = local::fieldForOffset(t, o, offset);
PROTECT(t, field);
acquire(t, field);
}
int64_t result = cast<int64_t>(o, offset);
if (BytesPerWord < 8) {
release(t, field);
} else {
loadMemoryBarrier();
}
return result;
}
extern "C" JNIEXPORT void JNICALL
Avian_sun_misc_Unsafe_putInt__Ljava_lang_Object_2JI
(Thread*, object, uintptr_t* arguments)
@ -3730,7 +3772,11 @@ extern "C" JNIEXPORT jint JNICALL
EXPORT(JVM_GetSockOpt)(jint, int, int, char*, int*) { abort(); }
extern "C" JNIEXPORT jint JNICALL
EXPORT(JVM_SetSockOpt)(jint, int, int, const char*, int) { abort(); }
EXPORT(JVM_SetSockOpt)(jint socket, int level, int optionName,
const char* optionValue, int optionLength)
{
return setsockopt(socket, level, optionName, optionValue, optionLength);
}
extern "C" JNIEXPORT struct protoent* JNICALL
EXPORT(JVM_GetProtoByName)(char*) { abort(); }