From 19a70510d072e4a8e42c128abc91a730c7ab3a36 Mon Sep 17 00:00:00 2001
From: Christian Dietrich <christian.dietrich@informatik.uni-erlangen.de>
Date: Mon, 30 Jan 2017 13:35:07 +0100
Subject: [PATCH] plugin: record hits and misses to logfile
---
src/clang-hash.cc | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/src/clang-hash.cc b/src/clang-hash.cc
index 02791c1..4a2f82b 100644
--- a/src/clang-hash.cc
+++ b/src/clang-hash.cc
@@ -10,6 +10,8 @@
#include <utime.h>
#include <sys/stat.h>
#include <sys/types.h>
+#include <fcntl.h>
+
using namespace clang;
@@ -48,6 +50,15 @@ static void link_object_file() {
dst = objectfile_copy;
}
+ // Record Events
+ if (getenv("CLANG_HASH_LOGFILE")) {
+ int fd = open(getenv("CLANG_HASH_LOGFILE"),
+ O_APPEND | O_WRONLY | O_CREAT,
+ 0644);
+ write(fd, atexit_mode == ATEXIT_FROM_CACHE ? "H" : "M", 1);
+ close(fd);
+ }
+
/* If destination exists, we have to unlink it. */
struct stat dummy;
if (stat(dst, &dummy) == 0) { // exists
--
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