NucleicandClaude Opus 4.8
11b9825e09
Switch the containerization dependency from the github URL to a vendored copy (third_party/containerization, upstream commit 6b7b42ca) referenced by path, so we can carry a small local patch that upstream lacks: LinuxContainer.Configuration gains a `vmExtensions` field forwarded into VMConfiguration.extensions. Upstream already supports VMConfiguration.extensions + the VZInstanceExtension hook, but LinuxContainer — our only entry point — never forwarded them, so there was no way to attach a device (e.g. a memory balloon) to a container's VM. Tests/, docs/, examples/, images/ and the corresponding test targets are trimmed for footprint (we never build the dependency's tests). See PATCHES.md for the full diff vs. upstream and the re-vendoring procedure. Also adds the ContainerizationExtras product to NucleicCore (AddressAllocator, named in the configureVZ signature). Co-Authored-By: Claude Opus 4.8 <[email protected]>
53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/*
|
|
* Copyright © 2025-2026 Apple Inc. and the Containerization project authors.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* https://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifdef __linux__
|
|
#include <sys/prctl.h>
|
|
#include <sys/resource.h>
|
|
#include <sys/syscall.h>
|
|
#include <unistd.h>
|
|
|
|
#include "syscall.h"
|
|
|
|
int CZ_pivot_root(const char *new_root, const char *put_old) {
|
|
return syscall(SYS_pivot_root, new_root, put_old);
|
|
}
|
|
|
|
int CZ_set_sub_reaper() { return prctl(PR_SET_CHILD_SUBREAPER, 1); }
|
|
|
|
int CZ_pidfd_open(pid_t pid, unsigned int flags) {
|
|
// Musl doesn't have pidfd_open.
|
|
return syscall(SYS_pidfd_open, pid, flags);
|
|
}
|
|
|
|
int CZ_pidfd_getfd(int pidfd, int targetfd, unsigned int flags) {
|
|
// Musl doesn't have pidfd_getfd.
|
|
return syscall(SYS_pidfd_getfd, pidfd, targetfd, flags);
|
|
}
|
|
|
|
int CZ_prctl_set_no_new_privs() {
|
|
return prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0);
|
|
}
|
|
|
|
int CZ_setrlimit(int resource, unsigned long long soft,
|
|
unsigned long long hard) {
|
|
struct rlimit limit;
|
|
limit.rlim_cur = (rlim_t)soft;
|
|
limit.rlim_max = (rlim_t)hard;
|
|
return setrlimit(resource, &limit);
|
|
}
|
|
#endif
|