Properly define the __NR_memfd_create macro for MIPS

[elogind.git] / src / shared / missing.h

diff --git a/src/shared/missing.h b/src/shared/missing.h
index a88d9e414b171898f195134efdf5c48d9f08fbe2..ecd32babed34061f1b2c791fc351002a95dddcd4 100644 (file)
--- a/src/shared/missing.h
+++ b/src/shared/missing.h
@@ -33,6 +33,7 @@
 #include <linux/input.h>
 #include <linux/if_link.h>
 #include <linux/loop.h>
+#include <linux/audit.h>
 
 #ifdef HAVE_AUDIT
 #include <libaudit.h>
@@ -74,7 +75,11 @@
 #endif
 
 #ifndef MFD_ALLOW_SEALING
-#define MFD_ALLOW_SEALING 0x0002ULL
+#define MFD_ALLOW_SEALING 0x0002U
+#endif
+
+#ifndef MFD_CLOEXEC
+#define MFD_CLOEXEC 0x0001U
 #endif
 
 #ifndef IP_FREEBIND
@@ -115,21 +120,22 @@ static inline int pivot_root(const char *new_root, const char *put_old) {
 }
 #endif
 
-#ifdef __x86_64__
-#  ifndef __NR_memfd_create
+#ifndef __NR_memfd_create
+#  if defined __x86_64__
 #    define __NR_memfd_create 319
-#  endif
-#elif defined __arm__
-#  ifndef __NR_memfd_create
+#  elif defined __arm__
 #    define __NR_memfd_create 385
-#  endif
-#elif defined _MIPS_SIM
-#  ifndef __NR_memfd_create
-#    warning "__NR_memfd_create not yet defined for MIPS"
-#    define __NR_memfd_create 0xffffffff
-#  endif
-#else
-#  ifndef __NR_memfd_create
+#  elif defined _MIPS_SIM
+#    if _MIPS_SIM == _MIPS_SIM_ABI32
+#      define __NR_memfd_create 4354
+#    endif
+#    if _MIPS_SIM == _MIPS_SIM_NABI32
+#      define __NR_memfd_create 6318
+#    endif
+#    if _MIPS_SIM == _MIPS_SIM_ABI64
+#      define __NR_memfd_create 5314
+#    endif
+#  else
 #    define __NR_memfd_create 356
 #  endif
 #endif
@@ -140,6 +146,29 @@ static inline int memfd_create(const char *name, unsigned int flags) {
 }
 #endif
 
+#ifndef __NR_getrandom
+#  if defined __x86_64__
+#    define __NR_getrandom 318
+#  else
+#    warning "__NR_getrandom unknown for your architecture"
+#    define __NR_getrandom 0xffffffff
+#  endif
+#endif
+
+#if !HAVE_DECL_GETRANDOM
+static inline int getrandom(void *buffer, size_t count, unsigned flags) {
+        return syscall(__NR_getrandom, buffer, count, flags);
+}
+#endif
+
+#ifndef GRND_NONBLOCK
+#define GRND_NONBLOCK 0x0001
+#endif
+
+#ifndef GRND_RANDOM
+#define GRND_RANDOM 0x0002
+#endif
+
 #ifndef BTRFS_IOCTL_MAGIC
 #define BTRFS_IOCTL_MAGIC 0x94
 #endif
@@ -411,7 +440,7 @@ static inline int setns(int fd, int nstype) {
 #define IFLA_BOND_AD_INFO 23
 #define __IFLA_BOND_MAX 24
 
-#define IFLA_BOND_MAX  (__IFLA_BOND_MAX - 1)
+#define IFLA_BOND_MAX   (__IFLA_BOND_MAX - 1)
 #endif
 
 #if !HAVE_DECL_IFLA_VLAN_PROTOCOL
@@ -527,3 +556,20 @@ static inline int setns(int fd, int nstype) {
 #ifndef BPF_XOR
 #  define BPF_XOR 0xa0
 #endif
+
+/* Note that LOOPBACK_IFINDEX is currently not exported by the
+ * kernel/glibc, but hardcoded internally by the kernel.  However, as
+ * it is exported to userspace indirectly via rtnetlink and the
+ * ioctls, and made use of widely we define it here too, in a way that
+ * is compatible with the kernel's internal definition. */
+#ifndef LOOPBACK_IFINDEX
+#define LOOPBACK_IFINDEX 1
+#endif
+
+#ifndef MAX_AUDIT_MESSAGE_LENGTH
+#define MAX_AUDIT_MESSAGE_LENGTH 8970
+#endif
+
+#ifndef AUDIT_NLGRP_MAX
+#define AUDIT_NLGRP_READLOG 1
+#endif