summaryrefslogtreecommitdiffstats
path: root/debian/htdig/htdig-3.2.0b6/db/ia64.gcc
diff options
context:
space:
mode:
Diffstat (limited to 'debian/htdig/htdig-3.2.0b6/db/ia64.gcc')
-rw-r--r--debian/htdig/htdig-3.2.0b6/db/ia64.gcc18
1 files changed, 18 insertions, 0 deletions
diff --git a/debian/htdig/htdig-3.2.0b6/db/ia64.gcc b/debian/htdig/htdig-3.2.0b6/db/ia64.gcc
new file mode 100644
index 00000000..bf12a96f
--- /dev/null
+++ b/debian/htdig/htdig-3.2.0b6/db/ia64.gcc
@@ -0,0 +1,18 @@
+/*
+ * $Id: ia64.gcc,v 1.2 2002/02/02 18:18:05 ghutchis Exp $
+ *
+ * For gcc/ia64, 0 is clear, 1 is set.
+ */
+#define MUTEX_SET(tsl) ({ \
+ register tsl_t *__l = (tsl); \
+ long __r; \
+ asm volatile("xchg1 %0=%1,%3" : "=r"(__r), "=m"(*__l) : "1"(*__l), "r"(1));\
+ __r ^ 1; \
+})
+
+/*
+ * Store through a "volatile" pointer so we get a store with "release"
+ * semantics.
+ */
+#define MUTEX_UNSET(tsl) (*(volatile unsigned char *)(tsl) = 0)
+#define MUTEX_INIT(tsl) MUTEX_UNSET(tsl)