查看build hikey960 error的源代码 build hikey960 error 0

Host:

Log:
 dex2oatd E 09-23 23:04:07 174391 174391 dex2oat.cc:2234] Cannot lock profiles: Failed to lock file 'out/soong/hikey960/dex_bootjars/boot.prof': Bad file descriptor
 dex2oatd E 09-23 23:04:07 174391 174391 dex2oat.cc:2842] Failed to process profile file ERROR: Dex2oat failed to compile a boot image.It is likely that the boot classpath is inconsistent.Rebuild with ART_BOOT_IMAGE_EXTRA_ARGS="--runtime-arg -verbose:verifier" to see verification errors.

Cause:
art/dex2oat/dex2oat.cc
<source lang="c">
bool LoadProfile() {
    ..
    if (profile_file_fd_ != -1) {
        profile_file = LockedFile::DupOf(profile_file_fd_, "profile", true /* read_only_mode */, &error);
    } else if (profile_file_ != "") {
        profile_file = LockedFile::Open(profile_file_.c_str(), O_RDONLY, true, &error);
    }
    // Return early if we're unable to obtain a lock on the profile.
    if (profile_file.get() == nullptr) {
        LOG(ERROR) << "Cannot lock profiles: " << error;
        return false;
    }
}
</source>

art/libartbase/base/scoped_flock.cc
<source lang="c">
ScopedFlock LockedFile::Open(const char* filename, int flags, bool block, std::string* error_msg) {

    std::unique_ptr<File> file(OS::OpenFileWithFlags(filename, flags, /* auto_flush= */ false));

    int operation = block ? LOCK_EX : (LOCK_EX | LOCK_NB);
    int flock_result = TEMP_FAILURE_RETRY('''flock'''(file->Fd(), operation));

    if (flock_result != 0) {
      *error_msg = StringPrintf("Failed to lock file '%s': %s", filename, strerror(errno));
      return nullptr;
    }

</source>