Function poll_hook

src/symbols_linux.cpp:38–47

Workaround for JDK-8312065 on JDK 8: replace poll() implementation with ppoll() which is restartable

// Workaround for JDK-8312065 on JDK 8:
// replace poll() implementation with ppoll() which is restartable
static int poll_hook(struct pollfd* fds, nfds_t nfds, int timeout) {
    if (timeout >= 0) {
        struct timespec ts;
        ts.tv_sec = timeout / 1000;
        ts.tv_nsec = (timeout % 1000) * 1000000;
        return ppoll(fds, nfds, &ts, NULL);
    } else {
        return ppoll(fds, nfds, NULL, NULL);
    }
}

static void applyPatch(CodeCache* cc) {
    static bool patch_libnet = VM::hotspot_version() == 8;