Author: pjd
Date: Sun May 19 23:28:28 2013
New Revision: 250816
URL: http://svnweb.freebsd.org/changeset/base/250816
Log:
Protect SDT_PROBE() with do { } while (0) loop.
Modified:
head/sys/sys/sdt.h
Modified: head/sys/sys/sdt.h
==============================================================================
--- head/sys/sys/sdt.h Sun May 19 19:42:46 2013 (r250815)
+++ head/sys/sys/sdt.h Sun May 19 23:28:28 2013 (r250816)
@@ -184,11 +184,12 @@ struct sdt_provider {
#define SDT_PROBE_DECLARE(prov, mod, func, name)
\
extern struct sdt_probe sdt_##prov##_##mod##_##func##_##name[1]
-#define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4)
\
+#define SDT_PROBE(prov, mod, func, name, arg0, arg1, arg2, arg3, arg4) do {
\
if (sdt_##prov##_##mod##_##func##_##name->id)
\
(*sdt_probe_func)(sdt_##prov##_##mod##_##func##_##name->id,
\
(uintptr_t) arg0, (uintptr_t) arg1, (uintptr_t) arg2,
\
- (uintptr_t) arg3, (uintptr_t) arg4)
+ (uintptr_t) arg3, (uintptr_t) arg4);
\
+} while (0)
#define SDT_PROBE_ARGTYPE(prov, mod, func, name, num, type)
\
static struct sdt_argtype sdt_##prov##_##mod##_##func##_##name##num[1]
\
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