['fsconfig', '''#include <sys/mount.h>'''], # since glibc-2.36
['fsmount', '''#include <sys/mount.h>'''], # since glibc-2.36
['fsopen', '''#include <sys/mount.h>'''], # since glibc-2.36
- ['fspick', '''#include <sys/mount.h>'''], # since glibc-2.36
['mount_setattr', '''#include <sys/mount.h>'''], # since glibc-2.36
['move_mount', '''#include <sys/mount.h>'''], # since glibc-2.36
['open_tree', '''#include <sys/mount.h>'''], # since glibc-2.36
['ioprio_get', '''#include <sched.h>'''], # no known header declares ioprio_get
['ioprio_set', '''#include <sched.h>'''], # no known header declares ioprio_set
['rt_tgsigqueueinfo', '''#include <signal.h>'''], # no known header declares rt_tgsigqueueinfo
+ ['open_tree_attr', '''#include <sys/mount.h>'''], # no known header declares open_tree_attr
['quotactl_fd', '''#include <sys/quota.h>'''], # no known header declares quotactl_fd
['fchmodat2', '''#include <sys/stat.h>'''], # no known header declares fchmodat2
['bpf', '''#include <sys/syscall.h>'''], # no known header declares bpf
['kcmp', '''#include <sys/syscall.h>'''], # no known header declares kcmp
['keyctl', '''#include <sys/syscall.h>'''], # no known header declares keyctl
- ['pivot_root', '''#include <sys/syscall.h>'''], # no known header declares pivot_root
+ ['add_key', '''#include <sys/syscall.h>'''], # no known header declares add_key
+ ['request_key', '''#include <sys/syscall.h>'''], # no known header declares request_key
['setxattrat', '''#include <sys/xattr.h>'''], # no known header declares setxattrat
['removexattrat', '''#include <sys/xattr.h>'''], # no known header declares removexattrat
- ['open_tree_attr', '''#include <sys/mount.h>'''], # no known header declares open_tree_attr
+ ['pivot_root', '''#include <unistd.h>'''], # no known header declares pivot_root
]
have = cc.has_function(ident[0], prefix : ident[1], args : '-D_GNU_SOURCE')
subdir('po')
subdir('catalog')
subdir('src/include')
+subdir('src/libc')
subdir('src/fundamental')
subdir('src/basic')
subdir('src/libsystemd')
# Make sure our library is never deleted from memory, so that our open logging fds don't leak on dlopen/dlclose cycles.
'-z', 'nodelete',
'-Wl,--version-script=' + libsystemd_sym_path],
- link_with : [libbasic_static],
+ link_with : [libc_wrapper_static,
+ libbasic_static],
link_whole : [libsystemd_static],
dependencies : [librt,
threads,
if static_libsystemd != 'false'
install_libsystemd_static = static_library(
'systemd',
+ libc_wrapper_sources,
libsystemd_sources,
basic_sources,
fundamental_sources,
if static_libudev != 'false'
install_libudev_static = static_library(
'udev',
+ libc_wrapper_sources,
basic_sources,
fundamental_sources,
shared_sources,
# Note that we link NSS modules with '-z nodelete' so that mempools never get orphaned
'link_args' : ['-z', 'nodelete'],
'link_with' : [
+ libc_wrapper_static,
libsystemd_static,
libshared_static,
libbasic_static,
#include <fcntl.h>
#include <linux/fs.h>
-#include <linux/kcmp.h>
#include <sys/ioctl.h>
+#include <sys/kcmp.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <unistd.h>
#include "format-util.h"
#include "fs-util.h"
#include "log.h"
-#include "missing_syscall.h"
#include "mountpoint-util.h"
#include "parse-util.h"
#include "path-util.h"
#include "label.h"
#include "lock-util.h"
#include "log.h"
-#include "missing_syscall.h"
#include "mkdir.h"
#include "path-util.h"
#include "process-util.h"
#include "alloc-util.h"
#include "keyring-util.h"
#include "log.h"
-#include "missing_syscall.h"
int keyring_read(key_serial_t serial, void **ret, size_t *ret_size) {
size_t bufsize = 100;
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
+#include <sys/keyctl.h> /* IWYU pragma: export */
+
#include "forward.h"
-#include "missing_keyctl.h"
/* Like TAKE_PTR() but for key_serial_t, resetting them to -1 */
#define TAKE_KEY_SERIAL(key_serial) TAKE_GENERIC(key_serial, key_serial_t, -1)
+++ /dev/null
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-#pragma once
-
-/* Missing glibc definitions to access certain kernel APIs */
-
-#include <linux/mempolicy.h>
-#include <sched.h>
-#include <signal.h>
-#include <sys/syscall.h>
-#include <sys/xattr.h>
-#include <unistd.h>
-
-#include "forward.h"
-#include "missing_keyctl.h"
-
-/* ======================================================================= */
-
-#if !HAVE_FCHMODAT2
-/* since kernel v6.6 (78252deb023cf0879256fcfbafe37022c390762b) */
-static inline int missing_fchmodat2(int dirfd, const char *path, mode_t mode, int flags) {
- return syscall(__NR_fchmodat2, dirfd, path, mode, flags);
-}
-
-# define fchmodat2 missing_fchmodat2
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_PIVOT_ROOT
-static inline int missing_pivot_root(const char *new_root, const char *put_old) {
- return syscall(__NR_pivot_root, new_root, put_old);
-}
-
-# define pivot_root missing_pivot_root
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_IOPRIO_GET
-static inline int missing_ioprio_get(int which, int who) {
- return syscall(__NR_ioprio_get, which, who);
-}
-
-# define ioprio_get missing_ioprio_get
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_IOPRIO_SET
-static inline int missing_ioprio_set(int which, int who, int ioprio) {
- return syscall(__NR_ioprio_set, which, who, ioprio);
-}
-
-# define ioprio_set missing_ioprio_set
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_KCMP
-static inline int missing_kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) {
- return syscall(__NR_kcmp, pid1, pid2, type, idx1, idx2);
-}
-
-# define kcmp missing_kcmp
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_KEYCTL
-static inline long missing_keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5) {
- return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5);
-
-# define keyctl missing_keyctl
-}
-
-/* ======================================================================= */
-
-static inline key_serial_t missing_add_key(const char *type, const char *description, const void *payload, size_t plen, key_serial_t ringid) {
- return syscall(__NR_add_key, type, description, payload, plen, ringid);
-
-# define add_key missing_add_key
-}
-
-/* ======================================================================= */
-
-static inline key_serial_t missing_request_key(const char *type, const char *description, const char * callout_info, key_serial_t destringid) {
- return syscall(__NR_request_key, type, description, callout_info, destringid);
-
-# define request_key missing_request_key
-}
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_BPF
-union bpf_attr;
-
-static inline int missing_bpf(int cmd, union bpf_attr *attr, size_t size) {
- return (int) syscall(__NR_bpf, cmd, attr, size);
-}
-
-# define bpf missing_bpf
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_SET_MEMPOLICY
-static inline long missing_set_mempolicy(int mode, const unsigned long *nodemask,
- unsigned long maxnode) {
- return syscall(__NR_set_mempolicy, mode, nodemask, maxnode);
-}
-
-# define set_mempolicy missing_set_mempolicy
-#endif
-
-#if !HAVE_GET_MEMPOLICY
-static inline long missing_get_mempolicy(int *mode, unsigned long *nodemask,
- unsigned long maxnode, void *addr,
- unsigned long flags) {
- return syscall(__NR_get_mempolicy, mode, nodemask, maxnode, addr, flags);
-}
-
-# define get_mempolicy missing_get_mempolicy
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_PIDFD_SEND_SIGNAL
-/* since kernel v5.1 (3eb39f47934f9d5a3027fe00d906a45fe3a15fad) */
-static inline int missing_pidfd_send_signal(int fd, int sig, siginfo_t *info, unsigned flags) {
- return syscall(__NR_pidfd_send_signal, fd, sig, info, flags);
-}
-
-# define pidfd_send_signal missing_pidfd_send_signal
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_PIDFD_OPEN
-/* since kernel v5.3 (7615d9e1780e26e0178c93c55b73309a5dc093d7) */
-static inline int missing_pidfd_open(pid_t pid, unsigned flags) {
- return syscall(__NR_pidfd_open, pid, flags);
-}
-
-# define pidfd_open missing_pidfd_open
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_RT_TGSIGQUEUEINFO
-static inline int missing_rt_tgsigqueueinfo(pid_t tgid, pid_t tid, int sig, siginfo_t *info) {
- return syscall(__NR_rt_tgsigqueueinfo, tgid, tid, sig, info);
-}
-
-# define rt_tgsigqueueinfo missing_rt_tgsigqueueinfo
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_EXECVEAT
-/* since kernel v3.19 (51f39a1f0cea1cacf8c787f652f26dfee9611874) */
-static inline int missing_execveat(int dirfd, const char *pathname,
- char *const argv[], char *const envp[],
- int flags) {
- return syscall(__NR_execveat, dirfd, pathname, argv, envp, flags);
-}
-
-# define execveat missing_execveat
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_CLOSE_RANGE
-/* since kernel v5.9 (9b4feb630e8e9801603f3cab3a36369e3c1cf88d) */
-static inline int missing_close_range(unsigned first_fd, unsigned end_fd, unsigned flags) {
- /* Kernel-side the syscall expects fds as unsigned integers (just like close() actually), while
- * userspace exclusively uses signed integers for fds. glibc chose to expose it 1:1 however, hence we
- * do so here too, even if we end up passing signed fds to it most of the time. */
- return syscall(__NR_close_range,
- first_fd,
- end_fd,
- flags);
-}
-
-# define close_range missing_close_range
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_SCHED_SETATTR
-/* since kernel 3.14 (e6cfc0295c7d51b008999a8b13a44fb43f8685ea) */
-static inline ssize_t missing_sched_setattr(pid_t pid, struct sched_attr *attr, unsigned int flags) {
- return syscall(__NR_sched_setattr, pid, attr, flags);
-}
-
-# define sched_setattr missing_sched_setattr
-#endif
-
-/* ======================================================================= */
-
-/* glibc does not provide clone() on ia64, only clone2(). Not only that, but it also doesn't provide a
- * prototype, only the symbol in the shared library (it provides a prototype for clone(), but not the
- * symbol in the shared library). */
-#if defined(__ia64__)
-int __clone2(int (*fn)(void *), void *stack_base, size_t stack_size, int flags, void *arg);
-#define HAVE_CLONE 0
-#else
-/* We know that everywhere else clone() is available, so we don't bother with a meson check (that takes time
- * at build time) and just define it. Once the kernel drops ia64 support, we can drop this too. */
-#define HAVE_CLONE 1
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_QUOTACTL_FD
-/* since kernel v5.14 (64c2c2c62f92339b176ea24403d8db16db36f9e6) */
-static inline int missing_quotactl_fd(int fd, int cmd, int id, void *addr) {
- return syscall(__NR_quotactl_fd, fd, cmd, id, addr);
-}
-
-# define quotactl_fd missing_quotactl_fd
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_SETXATTRAT
-/* since kernel v6.13 (6140be90ec70c39fa844741ca3cc807dd0866394) */
-static inline int missing_setxattrat(int fd, const char *path, int at_flags, const char *name, const struct xattr_args *args, size_t size) {
- return syscall(__NR_setxattrat, fd, path, at_flags, name, args, size);
-}
-
-# define setxattrat missing_setxattrat
-#endif
-
-/* ======================================================================= */
-
-#if !HAVE_REMOVEXATTRAT
-/* since kernel v6.13 (6140be90ec70c39fa844741ca3cc807dd0866394) */
-static inline int missing_removexattrat(int fd, const char *path, int at_flags, const char *name) {
- return syscall(__NR_removexattrat, fd, path, at_flags, name);
-}
-
-# define removexattrat missing_removexattrat
-#endif
#include <sys/pidfd.h> /* IWYU pragma: export */
#include "forward.h"
-#include "missing_syscall.h" /* IWYU pragma: export */
int pidfd_get_namespace(int fd, unsigned long ns_type_cmd);
#include "locale-util.h"
#include "log.h"
#include "memory-util.h"
-#include "missing_syscall.h"
#include "mountpoint-util.h"
#include "namespace-util.h"
#include "nulstr-util.h"
#include <unistd.h>
#include "errno-util.h"
-#include "missing_syscall.h"
#include "parse-util.h"
#include "signal-util.h"
#include "stdio-util.h"
#include "errno-util.h"
#include "fd-util.h"
#include "fs-util.h"
-#include "missing_syscall.h"
#include "nulstr-util.h"
#include "parse-util.h"
#include "sparse-endian.h"
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <fnmatch.h>
+#include <linux/bpf.h>
#include <linux/bpf_insn.h>
#include <sys/stat.h>
#include "fd-util.h"
#include "fileio.h"
#include "log.h"
-#include "missing_bpf.h"
#include "nulstr-util.h"
#include "parse-util.h"
#include "path-util.h"
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <grp.h>
-#include <linux/ioprio.h>
#include <linux/prctl.h>
#include <linux/sched.h>
#include <linux/securebits.h>
#include <poll.h>
#include <sys/eventfd.h>
#include <sys/ioctl.h>
+#include <sys/ioprio.h>
+#include <sys/keyctl.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/statvfs.h>
#include "journal-send.h"
#include "manager.h"
#include "memfd-util.h"
-#include "missing_syscall.h"
#include "mkdir-label.h"
#include "mount-util.h"
#include "namespace-util.h"
libcore,
libshared,
] : [
+ libc_wrapper_static,
libcore_static,
libshared_static,
libbasic_static,
#include "keyring-util.h"
#include "log.h"
#include "memory-util.h"
-#include "missing_keyctl.h"
-#include "missing_syscall.h"
#include "mkdir.h"
#include "mount-util.h"
#include "nulstr-util.h"
#include "loop-util.h"
#include "memory-util.h"
#include "missing_magic.h"
-#include "missing_syscall.h"
#include "mkdir.h"
#include "mkfs-util.h"
#include "openssl-util.h"
#include "homework-password-cache.h"
#include "keyring-util.h"
#include "log.h"
-#include "missing_syscall.h"
#include "string-util.h"
#include "user-record.h"
#include "main-func.h"
#include "memory-util.h"
#include "missing_magic.h"
-#include "missing_syscall.h"
#include "mount-util.h"
#include "path-util.h"
#include "recovery-key.h"
#pragma once
#include <linux/fscrypt.h>
+#include <sys/keyctl.h>
#include "sd-id128.h"
#include "homework-forward.h"
-#include "missing_keyctl.h"
#include "user-record-util.h"
typedef struct HomeSetup {
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
-#include <linux/bpf.h> /* IWYU pragma: export */
+#include_next <linux/bpf.h> /* IWYU pragma: export */
/* defined in linux/filter.h */
/* Unconditional jumps, goto pc + off16 */
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
-#include <linux/keyctl.h> /* IWYU pragma: export */
+#include_next <linux/keyctl.h> /* IWYU pragma: export */
-#include "forward.h"
+#include <stdint.h>
/* From linux/key.h */
#ifndef KEY_POS_VIEW
# define KEY_OTH_SETATTR 0x00000020
# define KEY_OTH_ALL 0x0000003f
#else
-assert_cc(KEY_OTH_ALL == 0x0000003f);
+static_assert(KEY_OTH_ALL == 0x0000003f, "");
#endif
#else
static_assert(TASK_COMM_LEN == 16, "");
#endif
+
+/* glibc does not provide clone() on ia64, only clone2(). Not only that, but it also doesn't provide a
+ * prototype, only the symbol in the shared library (it provides a prototype for clone(), but not the
+ * symbol in the shared library). */
+#if defined(__ia64__)
+int __clone2(int (*fn)(void *), void *stack_base, size_t stack_size, int flags, void *arg);
+#define HAVE_CLONE 0
+#else
+/* We know that everywhere else clone() is available, so we don't bother with a meson check (that takes time
+ * at build time) and just define it. Once the kernel drops ia64 support, we can drop this too. */
+#define HAVE_CLONE 1
+#endif
+
+/* Defined since glibc-2.41.
+ * Supported since kernel 3.14 (e6cfc0295c7d51b008999a8b13a44fb43f8685ea). */
+#if !HAVE_SCHED_SETATTR
+int missing_sched_setattr(pid_t pid, struct sched_attr *attr, unsigned flags);
+# define sched_setattr missing_sched_setattr
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include_next <signal.h>
+
+#if !HAVE_RT_TGSIGQUEUEINFO
+int missing_rt_tgsigqueueinfo(pid_t tgid, pid_t tid, int sig, siginfo_t *info);
+# define rt_tgsigqueueinfo missing_rt_tgsigqueueinfo
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <linux/bpf.h> /* IWYU pragma: export */
+#include <stddef.h>
+
+/* Supported since kernel v3.18 (749730ce42a2121e1c88350d69478bff3994b10a). */
+#if !HAVE_BPF
+int missing_bpf(int cmd, union bpf_attr *attr, size_t size);
+# define bpf missing_bpf
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <linux/ioprio.h> /* IWYU pragma: export */
+
+#if !HAVE_IOPRIO_GET
+int missing_ioprio_get(int which, int who);
+# define ioprio_get missing_ioprio_get
+#endif
+
+#if !HAVE_IOPRIO_SET
+int missing_ioprio_set(int which, int who, int ioprio);
+# define ioprio_set missing_ioprio_set
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <linux/kcmp.h> /* IWYU pragma: export */
+#include <sys/types.h>
+
+/* Supported since kernel v3.5 (d97b46a64674a267bc41c9e16132ee2a98c3347d). */
+#if !HAVE_KCMP
+int missing_kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2);
+# define kcmp missing_kcmp
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <linux/keyctl.h> /* IWYU pragma: export */
+#include <stddef.h>
+
+#if !HAVE_KEYCTL
+long missing_keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5);
+# define keyctl missing_keyctl
+#endif
+
+#if !HAVE_ADD_KEY
+key_serial_t missing_add_key(const char *type, const char *description, const void *payload, size_t plen, key_serial_t ringid);
+# define add_key missing_add_key
+#endif
+
+#if !HAVE_REQUEST_KEY
+key_serial_t missing_request_key(const char *type, const char *description, const char *callout_info, key_serial_t destringid);
+# define request_key missing_request_key
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <linux/mempolicy.h> /* IWYU pragma: export */
+
+#if !HAVE_SET_MEMPOLICY
+int missing_set_mempolicy(int mode, const unsigned long *nodemask, unsigned long maxnode);
+# define set_mempolicy missing_set_mempolicy
+#endif
+
+#if !HAVE_GET_MEMPOLICY
+int missing_get_mempolicy(int *mode, unsigned long *nodemask, unsigned long maxnode, void *addr, unsigned long flags);
+# define get_mempolicy missing_get_mempolicy
+#endif
#include <stddef.h>
#include <stdint.h>
#include <sys/ioctl.h>
-#include <sys/syscall.h>
-#include <unistd.h>
/* Since glibc-2.37 (774058d72942249f71d74e7f2b639f77184160a6), sys/mount.h includes linux/mount.h, and
* we can safely include both headers in the same source file. However, we cannot do that with older glibc.
/* Open the filesystem referenced by FS_NAME so it can be configured for
mouting. */
+/* Defined since glibc-2.36.
+ * Supported since kernel v5.2 (24dcb3d90a1f67fe08c68a004af37df059d74005). */
#if HAVE_FSOPEN
extern int fsopen(const char *__fs_name, unsigned int __flags) __THROW;
#else
-static inline int missing_fsopen(const char *fsname, unsigned flags) {
- return syscall(__NR_fsopen, fsname, flags);
-}
+int missing_fsopen(const char *fsname, unsigned flags);
# define fsopen missing_fsopen
#endif
/* Create a mount representation for the FD created by fsopen using
FLAGS with ATTR_FLAGS describing how the mount is to be performed. */
+/* Defined since glibc-2.36.
+ * Supported since kernel v5.2 (93766fbd2696c2c4453dd8e1070977e9cd4e6b6d). */
#if HAVE_FSMOUNT
extern int fsmount(int __fd, unsigned int __flags, unsigned int __ms_flags) __THROW;
#else
-static inline int missing_fsmount(int fd, unsigned flags, unsigned ms_flags) {
- return syscall(__NR_fsmount, fd, flags, ms_flags);
-}
+int missing_fsmount(int fd, unsigned flags, unsigned ms_flags);
# define fsmount missing_fsmount
#endif
/* Add the mounted FROM_DFD referenced by FROM_PATHNAME filesystem returned
by fsmount in the hierarchy in the place TO_DFD reference by TO_PATHNAME
using FLAGS. */
+/* Defined since glibc-2.36.
+ * Supported since kernel v5.2 (2db154b3ea8e14b04fee23e3fdfd5e9d17fbc6ae). */
#if HAVE_MOVE_MOUNT
extern int move_mount(int __from_dfd, const char *__from_pathname, int __to_dfd, const char *__to_pathname, unsigned int flags) __THROW;
#else
-static inline int missing_move_mount(
- int from_dfd,
- const char *from_pathname,
- int to_dfd,
- const char *to_pathname,
- unsigned flags) {
-
- return syscall(__NR_move_mount, from_dfd, from_pathname, to_dfd, to_pathname, flags);
-}
+int missing_move_mount(int from_dfd, const char *from_pathname, int to_dfd, const char *to_pathname, unsigned flags);
# define move_mount missing_move_mount
#endif
/* Set parameters and trigger CMD action on the FD context. KEY, VALUE,
and AUX are used depending ng of the CMD. */
+/* Defined since glibc-2.36.
+ * Supported since kernel v5.2 (ecdab150fddb42fe6a739335257949220033b782). */
#if HAVE_FSCONFIG
extern int fsconfig(int __fd, unsigned int __cmd, const char *__key, const void *__value, int __aux) __THROW;
#else
-static inline int missing_fsconfig(int fd, unsigned cmd, const char *key, const void *value, int aux) {
- return syscall(__NR_fsconfig, fd, cmd, key, value, aux);
-}
+int missing_fsconfig(int fd, unsigned cmd, const char *key, const void *value, int aux);
# define fsconfig missing_fsconfig
#endif
-/* Equivalent of fopen for an existing mount point. */
-#if HAVE_FSPICK
-extern int fspick(int __dfd, const char *__path, unsigned int __flags) __THROW;
-#endif
-
/* Open the mount point FILENAME in directory DFD using FLAGS. */
+/* Defined since glibc-2.36.
+ * Supported since kernel v5.2 (a07b20004793d8926f78d63eb5980559f7813404). */
#if HAVE_OPEN_TREE
extern int open_tree(int __dfd, const char *__filename, unsigned int __flags) __THROW;
#else
-static inline int missing_open_tree(int dfd, const char *filename, unsigned flags) {
- return syscall(__NR_open_tree, dfd, filename, flags);
-}
+int missing_open_tree(int dfd, const char *filename, unsigned flags);
# define open_tree missing_open_tree
#endif
directory referred to by the file descriptor dirfd. Otherwise if DFD is
the special value AT_FDCWD then PATH is interpreted relative to the current
working directory of the calling process. */
+/* Defined since glibc-2.36.
+ * Supported since kernel v5.12 (2a1867219c7b27f928e2545782b86daaf9ad50bd). */
#if HAVE_MOUNT_SETATTR
extern int mount_setattr(int __dfd, const char *__path, unsigned int __flags, struct mount_attr *__uattr, size_t __usize) __THROW;
#else
-static inline int missing_mount_setattr(int dfd, const char *path, unsigned flags, struct mount_attr *attr, size_t size) {
- return syscall(__NR_mount_setattr, dfd, path, flags, attr, size);
-}
+int missing_mount_setattr(int dfd, const char *path, unsigned flags, struct mount_attr *attr, size_t size);
# define mount_setattr missing_mount_setattr
#endif
+/* Not defined in glibc yet as of glibc-2.41.
+ * Supported since kernel v6.15 (c4a16820d90199409c9bf01c4f794e1e9e8d8fd8). */
#if HAVE_OPEN_TREE_ATTR
extern int open_tree_attr(int __dfd, const char *__filename, unsigned int __flags, struct mount_attr *__uattr, size_t __usize) __THROW;
#else
-static inline int missing_open_tree_attr(int dfd, const char *filename, unsigned int flags, struct mount_attr *attr, size_t size) {
- return syscall(__NR_open_tree_attr, dfd, filename, flags, attr, size);
-}
-
+int missing_open_tree_attr(int dfd, const char *filename, unsigned int flags, struct mount_attr *attr, size_t size);
# define open_tree_attr missing_open_tree_attr
#endif
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
-#include <linux/types.h>
-#include <sys/ioctl.h>
-
/* since glibc-2.36 */
#if HAVE_PIDFD_OPEN
#include_next <sys/pidfd.h>
#endif
+#include <linux/types.h>
+#include <signal.h>
+#include <sys/ioctl.h>
+
+/* Defined since glibc-2.36.
+ * Supported since kernel v5.3 (7615d9e1780e26e0178c93c55b73309a5dc093d7). */
+#if !HAVE_PIDFD_OPEN
+int missing_pidfd_open(pid_t pid, unsigned flags);
+# define pidfd_open missing_pidfd_open
+#endif
+
+/* Defined since glibc-2.36.
+ * Supported since kernel v5.1 (3eb39f47934f9d5a3027fe00d906a45fe3a15fad). */
+#if !HAVE_PIDFD_SEND_SIGNAL
+int missing_pidfd_send_signal(int fd, int sig, siginfo_t *info, unsigned flags);
+# define pidfd_send_signal missing_pidfd_send_signal
+#endif
+
/* since glibc-2.41 */
#ifndef PIDFS_IOCTL_MAGIC
# define PIDFS_IOCTL_MAGIC 0xFF
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include_next <sys/quota.h>
+
+/* Supported since kernel v5.14 (64c2c2c62f92339b176ea24403d8db16db36f9e6). */
+#if !HAVE_QUOTACTL_FD
+int missing_quotactl_fd(int fd, int cmd, int id, void *addr);
+# define quotactl_fd missing_quotactl_fd
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include_next <sys/stat.h>
+
+/* Supported since kernel v6.6 (78252deb023cf0879256fcfbafe37022c390762b). */
+#if !HAVE_FCHMODAT2
+int missing_fchmodat2(int dirfd, const char *path, mode_t mode, int flags);
+# define fchmodat2 missing_fchmodat2
+#endif
#include <linux/xattr.h>
#include_next <sys/xattr.h>
+
+/* Supported since kernel v6.13 (6140be90ec70c39fa844741ca3cc807dd0866394). */
+#if !HAVE_SETXATTRAT
+int missing_setxattrat(int fd, const char *path, int at_flags, const char *name, const struct xattr_args *args, size_t size);
+# define setxattrat missing_setxattrat
+#endif
+
+/* Supported since kernel v6.13 (6140be90ec70c39fa844741ca3cc807dd0866394). */
+#if !HAVE_REMOVEXATTRAT
+int missing_removexattrat(int fd, const char *path, int at_flags, const char *name);
+# define removexattrat missing_removexattrat
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include_next <unistd.h>
+
+/* Defined since glibc-2.34.
+ * Supported since kernel v5.9 (9b4feb630e8e9801603f3cab3a36369e3c1cf88d). */
+#if !HAVE_CLOSE_RANGE
+int missing_close_range(unsigned first_fd, unsigned end_fd, unsigned flags);
+# define close_range missing_close_range
+#endif
+
+/* Defined since glibc-2.34.
+ * Supported since kernel v3.19 (51f39a1f0cea1cacf8c787f652f26dfee9611874). */
+#if !HAVE_EXECVEAT
+int missing_execveat(int dirfd, const char *pathname, char * const argv[], char * const envp[], int flags);
+# define execveat missing_execveat
+#endif
+
+#if !HAVE_PIVOT_ROOT
+int missing_pivot_root(const char *new_root, const char *put_old);
+# define pivot_root missing_pivot_root
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/bpf.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#if !HAVE_BPF
+int missing_bpf(int cmd, union bpf_attr *attr, size_t size) {
+ return syscall(__NR_bpf, cmd, attr, size);
+}
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/ioprio.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#if !HAVE_IOPRIO_GET
+int missing_ioprio_get(int which, int who) {
+ return syscall(__NR_ioprio_get, which, who);
+}
+#endif
+
+#if !HAVE_IOPRIO_SET
+int missing_ioprio_set(int which, int who, int ioprio) {
+ return syscall(__NR_ioprio_set, which, who, ioprio);
+}
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/kcmp.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#if !HAVE_KCMP
+int missing_kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) {
+ return syscall(__NR_kcmp, pid1, pid2, type, idx1, idx2);
+}
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/keyctl.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#if !HAVE_KEYCTL
+long missing_keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5) {
+ return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5);
+}
+#endif
+
+#if !HAVE_ADD_KEY
+key_serial_t missing_add_key(const char *type, const char *description, const void *payload, size_t plen, key_serial_t ringid) {
+ return syscall(__NR_add_key, type, description, payload, plen, ringid);
+}
+#endif
+
+#if !HAVE_REQUEST_KEY
+key_serial_t missing_request_key(const char *type, const char *description, const char *callout_info, key_serial_t destringid) {
+ return syscall(__NR_request_key, type, description, callout_info, destringid);
+}
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/mempolicy.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#if !HAVE_SET_MEMPOLICY
+int missing_set_mempolicy(int mode, const unsigned long *nodemask, unsigned long maxnode) {
+ return syscall(__NR_set_mempolicy, mode, nodemask, maxnode);
+}
+#endif
+
+#if !HAVE_GET_MEMPOLICY
+int missing_get_mempolicy(int *mode, unsigned long *nodemask, unsigned long maxnode, void *addr, unsigned long flags) {
+ return syscall(__NR_get_mempolicy, mode, nodemask, maxnode, addr, flags);
+}
+#endif
--- /dev/null
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+libc_wrapper_sources = files(
+ 'bpf.c',
+ 'ioprio.c',
+ 'kcmp.c',
+ 'keyctl.c',
+ 'mempolicy.c',
+ 'mount.c',
+ 'pidfd.c',
+ 'quota.c',
+ 'sched.c',
+ 'signal.c',
+ 'stat.c',
+ 'unistd.c',
+ 'xattr.c',
+)
+
+sources += libc_wrapper_sources
+
+libc_wrapper_static = static_library(
+ 'c-wrapper',
+ libc_wrapper_sources,
+ include_directories : system_includes,
+ implicit_include_directories : false,
+ dependencies : [userspace],
+ c_args : ['-fvisibility=default'],
+ build_by_default : false)
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/mount.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#if !HAVE_FSOPEN
+int missing_fsopen(const char *fsname, unsigned flags) {
+ return syscall(__NR_fsopen, fsname, flags);
+}
+#endif
+
+#if !HAVE_FSMOUNT
+int missing_fsmount(int fd, unsigned flags, unsigned ms_flags) {
+ return syscall(__NR_fsmount, fd, flags, ms_flags);
+}
+#endif
+
+#if !HAVE_MOVE_MOUNT
+int missing_move_mount(int from_dfd, const char *from_pathname, int to_dfd, const char *to_pathname, unsigned flags) {
+ return syscall(__NR_move_mount, from_dfd, from_pathname, to_dfd, to_pathname, flags);
+}
+#endif
+
+#if !HAVE_FSCONFIG
+int missing_fsconfig(int fd, unsigned cmd, const char *key, const void *value, int aux) {
+ return syscall(__NR_fsconfig, fd, cmd, key, value, aux);
+}
+#endif
+
+#if !HAVE_OPEN_TREE
+int missing_open_tree(int dfd, const char *filename, unsigned flags) {
+ return syscall(__NR_open_tree, dfd, filename, flags);
+}
+#endif
+
+#if !HAVE_MOUNT_SETATTR
+int missing_mount_setattr(int dfd, const char *path, unsigned flags, struct mount_attr *attr, size_t size) {
+ return syscall(__NR_mount_setattr, dfd, path, flags, attr, size);
+}
+#endif
+
+#if !HAVE_OPEN_TREE_ATTR
+int missing_open_tree_attr(int dfd, const char *filename, unsigned int flags, struct mount_attr *attr, size_t size) {
+ return syscall(__NR_open_tree_attr, dfd, filename, flags, attr, size);
+}
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/pidfd.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#if !HAVE_PIDFD_OPEN
+int missing_pidfd_open(pid_t pid, unsigned flags) {
+ return syscall(__NR_pidfd_open, pid, flags);
+}
+#endif
+
+#if !HAVE_PIDFD_SEND_SIGNAL
+int missing_pidfd_send_signal(int fd, int sig, siginfo_t *info, unsigned flags) {
+ return syscall(__NR_pidfd_send_signal, fd, sig, info, flags);
+}
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/quota.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#if !HAVE_QUOTACTL_FD
+int missing_quotactl_fd(int fd, int cmd, int id, void *addr) {
+ return syscall(__NR_quotactl_fd, fd, cmd, id, addr);
+}
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sched.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#if !HAVE_SCHED_SETATTR
+int missing_sched_setattr(pid_t pid, struct sched_attr *attr, unsigned flags) {
+ return syscall(__NR_sched_setattr, pid, attr, flags);
+}
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <signal.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#if !HAVE_RT_TGSIGQUEUEINFO
+int missing_rt_tgsigqueueinfo(pid_t tgid, pid_t tid, int sig, siginfo_t *info) {
+ return syscall(__NR_rt_tgsigqueueinfo, tgid, tid, sig, info);
+}
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/stat.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#if !HAVE_FCHMODAT2
+int missing_fchmodat2(int dirfd, const char *path, mode_t mode, int flags) {
+ return syscall(__NR_fchmodat2, dirfd, path, mode, flags);
+}
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#if !HAVE_CLOSE_RANGE
+int missing_close_range(unsigned first_fd, unsigned end_fd, unsigned flags) {
+ /* Kernel-side the syscall expects fds as unsigned integers (just like close() actually), while
+ * userspace exclusively uses signed integers for fds. glibc chose to expose it 1:1 however, hence we
+ * do so here too, even if we end up passing signed fds to it most of the time. */
+ return syscall(__NR_close_range, first_fd, end_fd, flags);
+}
+#endif
+
+#if !HAVE_EXECVEAT
+int missing_execveat(int dirfd, const char *pathname, char * const argv[], char * const envp[], int flags) {
+ return syscall(__NR_execveat, dirfd, pathname, argv, envp, flags);
+}
+#endif
+
+#if !HAVE_PIVOT_ROOT
+int missing_pivot_root(const char *new_root, const char *put_old) {
+ return syscall(__NR_pivot_root, new_root, put_old);
+}
+#endif
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/syscall.h>
+#include <sys/xattr.h>
+#include <unistd.h>
+
+#if !HAVE_SETXATTRAT
+int missing_setxattrat(int fd, const char *path, int at_flags, const char *name, const struct xattr_args *args, size_t size) {
+ return syscall(__NR_setxattrat, fd, path, at_flags, name, args, size);
+}
+#endif
+
+#if !HAVE_REMOVEXATTRAT
+int missing_removexattrat(int fd, const char *path, int at_flags, const char *name) {
+ return syscall(__NR_removexattrat, fd, path, at_flags, name);
+}
+#endif
include_directories : libsystemd_includes,
implicit_include_directories : false,
c_args : libsystemd_c_args,
- link_with : [libbasic_static],
+ link_with : [libc_wrapper_static,
+ libbasic_static],
dependencies : [threads,
libm,
librt,
#include "hmac.h"
#include "id128-util.h"
#include "keyring-util.h"
-#include "missing_syscall.h"
#include "path-util.h"
#include "random-util.h"
#include "stat-util.h"
#include <security/pam_modutil.h>
#include "keyring-util.h"
-#include "missing_syscall.h"
#include "nulstr-util.h"
#include "pam-util.h"
#include "string-util.h"
#include "log.h"
#include "main-func.h"
#include "missing_magic.h"
-#include "missing_syscall.h"
#include "mkdir-label.h"
#include "mount-util.h"
#include "mountpoint-util.h"
#include <stdlib.h>
#include <sys/file.h>
#include <sys/ioctl.h>
+#include <sys/keyctl.h>
#include <sys/mount.h>
#include <sys/personality.h>
#include <sys/prctl.h>
#include "loopback-setup.h"
#include "machine-credential.h"
#include "main-func.h"
-#include "missing_keyctl.h"
-#include "missing_syscall.h"
#include "mkdir.h"
#include "mount-util.h"
#include "mountpoint-util.h"
#include "json-util.h"
#include "main-func.h"
#include "missing_magic.h"
-#include "missing_syscall.h"
#include "mountpoint-util.h"
#include "namespace-util.h"
#include "netlink-util.h"
'sources' : files('repart.c'),
'c_args' : '-DSTANDALONE',
'link_with' : [
+ libc_wrapper_static,
libbasic_static,
libshared_fdisk,
libshared_static,
#include "iovec-util.h"
#include "keyring-util.h"
#include "log.h"
-#include "missing_syscall.h"
#include "nulstr-util.h"
#include "parse-util.h"
#include "path-lookup.h"
#include <fcntl.h>
#include <linux/bpf.h>
#include <linux/bpf_insn.h>
+#include <sys/bpf.h>
#include <unistd.h>
#include "alloc-util.h"
#include "fdset.h"
#include "log.h"
#include "memory-util.h"
-#include "missing_syscall.h"
#include "parse-util.h"
#include "path-util.h"
#include "serialize.h"
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
-#include <linux/ioprio.h> /* IWYU pragma: export */
+#include <sys/ioprio.h> /* IWYU pragma: export */
#include "forward.h"
link_args : ['-shared',
'-Wl,--version-script=' + libshared_sym_path],
link_depends : libshared_sym_path,
- link_whole : [libshared_static,
+ link_whole : [libc_wrapper_static,
+ libshared_static,
libbasic_static,
libsystemd_static],
dependencies : [libshared_deps,
#include "hashmap.h"
#include "libmount-util.h"
#include "log.h"
-#include "missing_syscall.h"
#include "mkdir-label.h"
#include "mount-util.h"
#include "mountpoint-util.h"
#include "fd-util.h"
#include "fileio.h"
#include "log.h"
-#include "missing_syscall.h"
#include "numa-util.h"
#include "parse-util.h"
#include "stdio-util.h"
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
+#include <sys/mempolicy.h>
+
#include "cpu-set-util.h"
#include "forward.h"
-#include "missing_syscall.h"
static inline bool mpol_is_valid(int t) {
return t >= MPOL_DEFAULT && t <= MPOL_LOCAL;
#include "chattr-util.h"
#include "device-util.h"
#include "errno-util.h"
-#include "missing_syscall.h"
#include "quota-util.h"
int quotactl_fd_with_fallback(int fd, int cmd, int id, void *addr) {
#include "errno-util.h"
#include "fd-util.h"
#include "log.h"
-#include "missing_syscall.h"
#include "mkdir-label.h"
#include "mount-util.h"
#include "mountpoint-util.h"
'sources' : systemd_shutdown_sources + systemd_shutdown_extract_sources,
'c_args' : '-DSTANDALONE',
'link_with' : [
+ libc_wrapper_static,
libbasic_static,
libshared_static,
libsystemd_static,
'sources' : files('sysusers.c'),
'c_args' : '-DSTANDALONE',
'link_with' : [
+ libc_wrapper_static,
libbasic_static,
libshared_static,
libsystemd_static,
# only static linking apart from libdl, to make sure that the
# module is linked to all libraries that it uses.
'sources' : files('test-dlopen.c'),
- 'link_with' : libbasic_static,
+ 'link_with' : [
+ libc_wrapper_static,
+ libbasic_static,
+ ],
'dependencies' : libdl,
'install' : false,
'type' : 'manual',
},
test_template + {
'sources' : files('test-sizeof.c'),
- 'link_with' : libbasic_static,
+ 'link_with' : [
+ libc_wrapper_static,
+ libbasic_static,
+ ],
},
test_template + {
'sources' : files('test-time-util.c'),
test_template + {
'sources' : files('../libsystemd/sd-device/test-sd-device-thread.c'),
'link_with' : [
+ libc_wrapper_static,
libbasic_static,
libsystemd,
],
test_template + {
'sources' : files('../libudev/test-udev-device-thread.c'),
'link_with' : [
+ libc_wrapper_static,
libbasic_static,
libudev,
],
#include "fileio.h"
#include "fs-util.h"
#include "memory-util.h"
-#include "missing_syscall.h"
#include "nsflags.h"
#include "nulstr-util.h"
#include "process-util.h"
'sources' : systemd_tmpfiles_sources + systemd_tmpfiles_extract_sources,
'c_args' : '-DSTANDALONE',
'link_with' : [
+ libc_wrapper_static,
libbasic_static,
libshared_static,
libsystemd_static,
projects / thirdparty / systemd.git / commitdiff
