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authorMarkos Chandras <markos.chandras@imgtec.com>2012-10-25 12:04:02 +0100
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2013-02-20 13:45:13 +0100
commit6c2fa3451f35f8d78a31689044b2d19efa4eaca2 (patch)
treecab009a014bdc4a3937aa27b0a7f331bac53f973 /libc
parent634e74f630772fe2eb0e731d8a5cd35cf4a0da79 (diff)
libc/ipc: Allow architectures to define their own __IPC_64 macro
New architectures don't define ARCH_WANT_IPC_PARSE_VERSION in their kernel. This means that every cmd passed to semctl,msgctl and shmctl is IPC_64 by default. For these architectures we need to define __IPC_64 as 0. Existing architectures are not affected by this change. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc')
-rw-r--r--libc/misc/sysvipc/ipc.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/libc/misc/sysvipc/ipc.h b/libc/misc/sysvipc/ipc.h
index 339d1364b..5b861aeef 100644
--- a/libc/misc/sysvipc/ipc.h
+++ b/libc/misc/sysvipc/ipc.h
@@ -3,10 +3,12 @@
#include <syscall.h>
#include <bits/wordsize.h>
-#if __WORDSIZE == 32 || defined __alpha__ || defined __mips__
-# define __IPC_64 0x100
-#else
-# define __IPC_64 0x0
+#ifndef __IPC_64
+# if __WORDSIZE == 32 || defined __alpha__ || defined __mips__
+# define __IPC_64 0x100
+# else
+# define __IPC_64 0x0
+# endif
#endif
#ifdef __NR_ipc