From: Roland Dreier <rolandd@cisco.com>
Date: Tue, 11 Apr 2006 20:33:33 +0000 (+0000)
Subject: Add __attribute_const macro for gcc >= 3
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=a7a021117b1059ffa9c9df624e0b3f3eb37b111f;p=~shefty%2Flibibverbs.git

Add __attribute_const macro for gcc >= 3

Signed-off-by: Roland Dreier <rolandd@cisco.com>
---

diff --git a/ChangeLog b/ChangeLog
index 310c71b..d0db204 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2006-04-11  Roland Dreier  <rdreier@cisco.com>
+
+	* include/infiniband/verbs.h: Add __attribute_const macro to
+	portably mark functions as __attribute__((const))
+
 2006-03-28  Roland Dreier  <rdreier@cisco.com>
 
 	* src/init.c (load_driver): Print warning if dlopen() of a driver
diff --git a/include/infiniband/verbs.h b/include/infiniband/verbs.h
index ccea54c..b8ff8a7 100644
--- a/include/infiniband/verbs.h
+++ b/include/infiniband/verbs.h
@@ -51,6 +51,12 @@
 #  define END_C_DECLS
 #endif /* __cplusplus */
 
+#if __GNUC__ >= 3
+#  define __attribute_const __attribute__((const))
+#else
+#  define __attribute_const
+#endif
+
 BEGIN_C_DECLS
 
 union ibv_gid {
@@ -949,4 +955,6 @@ int ibv_detach_mcast(struct ibv_qp *qp, union ibv_gid *gid, uint16_t lid);
 
 END_C_DECLS
 
+#  undef __attribute_const
+
 #endif /* INFINIBAND_VERBS_H */