[sr-dev] git:master: core: futexlock include hack for older futex.h

[Andrei Pelinescu-Onciul]

Module: sip-router
Branch: master
Commit: 04938dc72661dfe0c8954f392558812f7aa3da78
URL:    http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=04938dc72661dfe0c8954f392558812f7aa3da78

Author: Andrei Pelinescu-Onciul <andrei at iptel.org>
Committer: Andrei Pelinescu-Onciul <andrei at iptel.org>
Date:   Thu Jul 16 14:05:50 2009 +0200

core: futexlock include hack for older futex.h

Older non-fixed linux/futex.h version (<2.6.20) cannot be included from
userspace without additional type declarations (which otherwise
are included only if __KERNEL__ is defined).
Note that most distribution fix this problem by distributing a
modified /usr/include/linux/futex.h and not the default kernel
one. However there are other distributions (like CentOS 5) for
which this hack is needed.

---

 futexlock.h |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/futexlock.h b/futexlock.h
index 19e816d..df93b81 100644
--- a/futexlock.h
+++ b/futexlock.h
@@ -49,6 +49,12 @@
                           between linux-libc-dev andlibc headers
                           in recent (6.08.2008) x86_64 debian sid
                           installations */
+/* hack to work with old linux/futex.h versions, that depend on sched.h in
+   __KERNEL__ mode (futex.h < 2.6.20) */
+#include <linux/types.h>
+typedef __u32 u32;
+struct task_struct;
+/* end of the hack */
 #include <linux/futex.h>
 #include <sys/syscall.h>
 #include <unistd.h>