Add SPDX license identifiers to source files under the LGPL

[thirdparty/systemd.git] / src / basic / missing_syscall.h

diff --git a/src/basic/missing_syscall.h b/src/basic/missing_syscall.h
index 9fc415656456e960b93b5c134784fbb22973854d..fd82c11e94b8ed7e0fa1722192aec5055e8ff4e8 100644 (file)
--- a/src/basic/missing_syscall.h
+++ b/src/basic/missing_syscall.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
 /***
@@ -22,7 +23,9 @@
 
 /* Missing glibc definitions to access certain kernel APIs */
 
-#if !HAVE_DECL_PIVOT_ROOT
+#include <sys/types.h>
+
+#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);
 }
@@ -30,7 +33,7 @@ static inline int pivot_root(const char *new_root, const char *put_old) {
 
 /* ======================================================================= */
 
-#if !HAVE_DECL_MEMFD_CREATE
+#if !HAVE_MEMFD_CREATE
 #  ifndef __NR_memfd_create
 #    if defined __x86_64__
 #      define __NR_memfd_create 319
@@ -52,6 +55,8 @@ static inline int pivot_root(const char *new_root, const char *put_old) {
 #      endif
 #    elif defined __i386__
 #      define __NR_memfd_create 356
+#    elif defined __arc__
+#      define __NR_memfd_create 279
 #    else
 #      warning "__NR_memfd_create unknown for your architecture"
 #    endif
@@ -69,7 +74,7 @@ static inline int memfd_create(const char *name, unsigned int flags) {
 
 /* ======================================================================= */
 
-#if !HAVE_DECL_GETRANDOM
+#if !HAVE_GETRANDOM
 #  ifndef __NR_getrandom
 #    if defined __x86_64__
 #      define __NR_getrandom 318
@@ -97,6 +102,8 @@ static inline int memfd_create(const char *name, unsigned int flags) {
 #      if _MIPS_SIM == _MIPS_SIM_ABI64
 #        define __NR_getrandom 5313
 #      endif
+#    elif defined(__arc__)
+#      define __NR_getrandom 278
 #    else
 #      warning "__NR_getrandom unknown for your architecture"
 #    endif
@@ -114,7 +121,7 @@ static inline int getrandom(void *buffer, size_t count, unsigned flags) {
 
 /* ======================================================================= */
 
-#if !HAVE_DECL_GETTID
+#if !HAVE_GETTID
 static inline pid_t gettid(void) {
         return (pid_t) syscall(SYS_gettid);
 }
@@ -122,7 +129,7 @@ static inline pid_t gettid(void) {
 
 /* ======================================================================= */
 
-#if !HAVE_DECL_NAME_TO_HANDLE_AT
+#if !HAVE_NAME_TO_HANDLE_AT
 #  ifndef __NR_name_to_handle_at
 #    if defined(__x86_64__)
 #      define __NR_name_to_handle_at 303
@@ -132,6 +139,8 @@ static inline pid_t gettid(void) {
 #      define __NR_name_to_handle_at 370
 #    elif defined(__powerpc__)
 #      define __NR_name_to_handle_at 345
+#    elif defined(__arc__)
+#      define __NR_name_to_handle_at 264
 #    else
 #      error "__NR_name_to_handle_at is not defined"
 #    endif
@@ -155,12 +164,14 @@ static inline int name_to_handle_at(int fd, const char *name, struct file_handle
 
 /* ======================================================================= */
 
-#if !HAVE_DECL_SETNS
+#if !HAVE_SETNS
 #  ifndef __NR_setns
 #    if defined(__x86_64__)
 #      define __NR_setns 308
 #    elif defined(__i386__)
 #      define __NR_setns 346
+#    elif defined(__arc__)
+#      define __NR_setns 268
 #    else
 #      error "__NR_setns is not defined"
 #    endif
@@ -188,7 +199,7 @@ static inline pid_t raw_getpid(void) {
 
 /* ======================================================================= */
 
-#if !HAVE_DECL_RENAMEAT2
+#if !HAVE_RENAMEAT2
 #  ifndef __NR_renameat2
 #    if defined __x86_64__
 #      define __NR_renameat2 316
@@ -208,6 +219,12 @@ static inline pid_t raw_getpid(void) {
 #      endif
 #    elif defined __i386__
 #      define __NR_renameat2 353
+#    elif defined __powerpc64__
+#      define __NR_renameat2 357
+#    elif defined __s390__ || defined __s390x__
+#      define __NR_renameat2 347
+#    elif defined __arc__
+#      define __NR_renameat2 276
 #    else
 #      warning "__NR_renameat2 unknown for your architecture"
 #    endif
@@ -225,7 +242,7 @@ static inline int renameat2(int oldfd, const char *oldname, int newfd, const cha
 
 /* ======================================================================= */
 
-#if !HAVE_DECL_KCMP
+#if !HAVE_KCMP
 static inline int 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);
@@ -238,7 +255,7 @@ static inline int kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, uns
 
 /* ======================================================================= */
 
-#if !HAVE_DECL_KEYCTL
+#if !HAVE_KEYCTL
 static inline long 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);
@@ -269,7 +286,7 @@ static inline key_serial_t request_key(const char *type, const char *description
 
 /* ======================================================================= */
 
-#if !HAVE_DECL_COPY_FILE_RANGE
+#if !HAVE_COPY_FILE_RANGE
 #  ifndef __NR_copy_file_range
 #    if defined(__x86_64__)
 #      define __NR_copy_file_range 326
@@ -283,6 +300,8 @@ static inline key_serial_t request_key(const char *type, const char *description
 #      define __NR_copy_file_range 285
 #    elif defined __powerpc__
 #      define __NR_copy_file_range 379
+#    elif defined __arc__
+#      define __NR_copy_file_range 285
 #    else
 #      warning "__NR_copy_file_range not defined for your architecture"
 #    endif
@@ -300,3 +319,63 @@ static inline ssize_t copy_file_range(int fd_in, loff_t *off_in,
 #  endif
 }
 #endif
+
+/* ======================================================================= */
+
+#if !HAVE_BPF
+#  ifndef __NR_bpf
+#    if defined __i386__
+#      define __NR_bpf 357
+#    elif defined __x86_64__
+#      define __NR_bpf 321
+#    elif defined __aarch64__
+#      define __NR_bpf 280
+#    elif defined __sparc__
+#      define __NR_bpf 349
+#    elif defined __s390__
+#      define __NR_bpf 351
+#    else
+#      warning "__NR_bpf not defined for your architecture"
+#    endif
+#  endif
+
+union bpf_attr;
+
+static inline int bpf(int cmd, union bpf_attr *attr, size_t size) {
+#ifdef __NR_bpf
+        return (int) syscall(__NR_bpf, cmd, attr, size);
+#else
+        errno = ENOSYS;
+        return -1;
+#endif
+}
+
+#endif
+
+/* ======================================================================= */
+
+#ifndef __IGNORE_pkey_mprotect
+#  ifndef __NR_pkey_mprotect
+#    if defined __i386__
+#      define __NR_pkey_mprotect 380
+#    elif defined __x86_64__
+#      define __NR_pkey_mprotect 329
+#    elif defined __arm__
+#      define __NR_pkey_mprotect 394
+#    elif defined __aarch64__
+#      define __NR_pkey_mprotect 394
+#    elif defined _MIPS_SIM
+#      if _MIPS_SIM == _MIPS_SIM_ABI32
+#        define __NR_pkey_mprotect 4363
+#      endif
+#      if _MIPS_SIM == _MIPS_SIM_NABI32
+#        define __NR_pkey_mprotect 6327
+#      endif
+#      if _MIPS_SIM == _MIPS_SIM_ABI64
+#        define __NR_pkey_mprotect 5323
+#      endif
+#    else
+#      warning "__NR_pkey_mprotect not defined for your architecture"
+#    endif
+#  endif
+#endif