/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
- Copyright 2016 Zbigniew Jędrzejewski-Szmek
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
+/* Missing glibc definitions to access certain kernel APIs */
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/syscall.h>
+#include <sys/types.h>
+#include <unistd.h>
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
+#ifdef ARCH_MIPS
+#include <asm/sgidefs.h>
+#endif
-/* Missing glibc definitions to access certain kernel APIs */
+#include "missing_keyctl.h"
+#include "missing_stat.h"
-#include <sys/types.h>
+/* linux/kcmp.h */
+#ifndef KCMP_FILE /* 3f4994cfc15f38a3159c6e3a4b3ab2e1481a6b02 (3.19) */
+#define KCMP_FILE 0
+#endif
#if !HAVE_PIVOT_ROOT
-static inline int pivot_root(const char *new_root, const char *put_old) {
- return syscall(SYS_pivot_root, new_root, put_old);
+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
/* ======================================================================= */
# endif
# endif
-static inline int memfd_create(const char *name, unsigned int flags) {
+static inline int missing_memfd_create(const char *name, unsigned int flags) {
# ifdef __NR_memfd_create
return syscall(__NR_memfd_create, name, flags);
# else
return -1;
# endif
}
+
+# define memfd_create missing_memfd_create
#endif
/* ======================================================================= */
# endif
# endif
-static inline int getrandom(void *buffer, size_t count, unsigned flags) {
+static inline int missing_getrandom(void *buffer, size_t count, unsigned flags) {
# ifdef __NR_getrandom
return syscall(__NR_getrandom, buffer, count, flags);
# else
return -1;
# endif
}
+
+# define getrandom missing_getrandom
#endif
/* ======================================================================= */
#if !HAVE_GETTID
-static inline pid_t gettid(void) {
- return (pid_t) syscall(SYS_gettid);
+static inline pid_t missing_gettid(void) {
+ return (pid_t) syscall(__NR_gettid);
}
+
+# define gettid missing_gettid
#endif
/* ======================================================================= */
unsigned char f_handle[0];
};
-static inline int name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) {
+static inline int missing_name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) {
# ifdef __NR_name_to_handle_at
return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
# else
return -1;
# endif
}
+
+# define name_to_handle_at missing_name_to_handle_at
#endif
/* ======================================================================= */
# endif
# endif
-static inline int setns(int fd, int nstype) {
+static inline int missing_setns(int fd, int nstype) {
# ifdef __NR_setns
return syscall(__NR_setns, fd, nstype);
# else
return -1;
# endif
}
+
+# define setns missing_setns
#endif
/* ======================================================================= */
# endif
# endif
-static inline int renameat2(int oldfd, const char *oldname, int newfd, const char *newname, unsigned flags) {
+static inline int missing_renameat2(int oldfd, const char *oldname, int newfd, const char *newname, unsigned flags) {
# ifdef __NR_renameat2
return syscall(__NR_renameat2, oldfd, oldname, newfd, newname, flags);
# else
return -1;
# endif
}
+
+# define renameat2 missing_renameat2
#endif
/* ======================================================================= */
#if !HAVE_KCMP
-static inline int kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) {
+static inline int missing_kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) {
# ifdef __NR_kcmp
return syscall(__NR_kcmp, pid1, pid2, type, idx1, idx2);
# else
return -1;
# endif
}
+
+# define kcmp missing_kcmp
#endif
/* ======================================================================= */
#if !HAVE_KEYCTL
-static inline long keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4,unsigned long arg5) {
+static inline long missing_keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5) {
# ifdef __NR_keyctl
return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5);
# else
errno = ENOSYS;
return -1;
# endif
+
+# define keyctl missing_keyctl
}
-static inline key_serial_t add_key(const char *type, const char *description, const void *payload, size_t plen, key_serial_t ringid) {
+static inline key_serial_t missing_add_key(const char *type, const char *description, const void *payload, size_t plen, key_serial_t ringid) {
# ifdef __NR_add_key
return syscall(__NR_add_key, type, description, payload, plen, ringid);
# else
errno = ENOSYS;
return -1;
# endif
+
+# define add_key missing_add_key
}
-static inline key_serial_t request_key(const char *type, const char *description, const char * callout_info, key_serial_t destringid) {
+static inline key_serial_t missing_request_key(const char *type, const char *description, const char * callout_info, key_serial_t destringid) {
# ifdef __NR_request_key
return syscall(__NR_request_key, type, description, callout_info, destringid);
# else
errno = ENOSYS;
return -1;
# endif
+
+# define request_key missing_request_key
}
#endif
# endif
# endif
-static inline ssize_t copy_file_range(int fd_in, loff_t *off_in,
- int fd_out, loff_t *off_out,
- size_t len,
- unsigned int flags) {
+static inline ssize_t missing_copy_file_range(int fd_in, loff_t *off_in,
+ int fd_out, loff_t *off_out,
+ size_t len,
+ unsigned int flags) {
# ifdef __NR_copy_file_range
return syscall(__NR_copy_file_range, fd_in, off_in, fd_out, off_out, len, flags);
# else
return -1;
# endif
}
+
+# define copy_file_range missing_copy_file_range
#endif
/* ======================================================================= */
# define __NR_bpf 321
# elif defined __aarch64__
# define __NR_bpf 280
+# elif defined __arm__
+# define __NR_bpf 386
# elif defined __sparc__
# define __NR_bpf 349
# elif defined __s390__
# define __NR_bpf 351
+# elif defined __tilegx__
+# define __NR_bpf 280
# else
# warning "__NR_bpf not defined for your architecture"
# endif
union bpf_attr;
-static inline int bpf(int cmd, union bpf_attr *attr, size_t size) {
+static inline int missing_bpf(int cmd, union bpf_attr *attr, size_t size) {
#ifdef __NR_bpf
return (int) syscall(__NR_bpf, cmd, attr, size);
#else
#endif
}
+# define bpf missing_bpf
#endif
/* ======================================================================= */
# define __NR_pkey_mprotect 394
# elif defined __aarch64__
# define __NR_pkey_mprotect 394
+# elif defined __powerpc__
+# define __NR_pkey_mprotect 386
# elif defined _MIPS_SIM
# if _MIPS_SIM == _MIPS_SIM_ABI32
# define __NR_pkey_mprotect 4363
# endif
# endif
#endif
+
+/* ======================================================================= */
+
+#if !HAVE_STATX
+# ifndef __NR_statx
+# if defined __aarch64__ || defined __arm__
+# define __NR_statx 397
+# elif defined __alpha__
+# define __NR_statx 522
+# elif defined __i386__ || defined __powerpc64__
+# define __NR_statx 383
+# elif defined __sparc__
+# define __NR_statx 360
+# elif defined __x86_64__
+# define __NR_statx 332
+# else
+# warning "__NR_statx not defined for your architecture"
+# endif
+# endif
+
+struct statx;
+#endif
+
+/* This typedef is supposed to be always defined. */
+typedef struct statx struct_statx;
+
+#if !HAVE_STATX
+static inline ssize_t missing_statx(int dfd, const char *filename, unsigned flags, unsigned int mask, struct statx *buffer) {
+# ifdef __NR_statx
+ return syscall(__NR_statx, dfd, filename, flags, mask, buffer);
+# else
+ errno = ENOSYS;
+ return -1;
+# endif
+}
+
+# define statx missing_statx
+#endif
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