Add support for oat files in /data/art-cache
Also implement Zygote_nativeForkAndSpecialize
Change-Id: I7dfb257b2897279a4cdac4b1ca194c1ac84eb047
diff --git a/src/utils.cc b/src/utils.cc
index 3017807..bc51c2a 100644
--- a/src/utils.cc
+++ b/src/utils.cc
@@ -4,6 +4,7 @@
#include "utils.h"
#include <pthread.h>
+#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>
@@ -482,6 +483,37 @@
#endif
}
+std::string GetArtCacheOrDie() {
+ const char* data_root = getenv("ANDROID_DATA");
+ if (data_root == NULL) {
+ if (OS::DirectoryExists("/data")) {
+ data_root = "/data";
+ } else {
+ data_root = "/tmp";
+ }
+ }
+ if (!OS::DirectoryExists(data_root)) {
+ LOG(FATAL) << "Failed to find ANDROID_DATA directory " << data_root;
+ return "";
+ }
+
+ std::string art_cache = StringPrintf("%s/art-cache", data_root);
+
+ if (!OS::DirectoryExists(art_cache.c_str())) {
+ if (StringPiece(art_cache).starts_with("/tmp/")) {
+ int result = mkdir(art_cache.c_str(), 0700);
+ if (result != 0) {
+ LOG(FATAL) << "Failed to create art-cache directory " << art_cache;
+ return "";
+ }
+ } else {
+ LOG(FATAL) << "Failed to find art-cache directory " << art_cache;
+ return "";
+ }
+ }
+ return art_cache;
+}
+
} // namespace art
// Neither bionic nor glibc exposes gettid(2).