tizen 2.3.1 release

[framework/appfw/aul-1.git] / legacy / preload.h

diff --git a/legacy/preload.h b/legacy/preload.h
index 1764cf3..f9f719b 100755 (executable)
--- a/legacy/preload.h
+++ b/legacy/preload.h
@@ -20,7 +20,7 @@
  */
 
 
-#ifdef PRELOAD_ACTIVATE 
+#ifdef PRELOAD_ACTIVATE
 
 #include <dlfcn.h>
 #define PRELOAD_FILE SHARE_PREFIX"/preload_list.txt"
@@ -59,7 +59,7 @@ static inline void __preload_init(int argc, char **argv)
 
        while (fgets(soname, MAX_LOCAL_BUFSZ, preload_list) > 0) {
                soname[strlen(soname) - 1] = 0;
-               handle = dlopen(soname, RTLD_NOW);
+               handle = dlopen((const char *) soname, RTLD_NOW);
                if (handle == NULL)
                        continue;
                _D("preload %s# - handle : %x\n", soname, handle);
@@ -114,24 +114,46 @@ static inline void __preload_exec(int argc, char **argv)
 {
        void *handle = NULL;
        int (*dl_main) (int, char **);
+       char *error = NULL;
 
        if (!preload_initialized)
                return;
 
        handle = dlopen(argv[0], RTLD_LAZY | RTLD_GLOBAL);
        if (handle == NULL) {
+               _E("dlopen(\"%s\") failed", argv[0]);
+               if ((error = dlerror()) != NULL) {
+                       _E("dlopen error: %s", error);
+               }
                return;
        }
 
+       dlerror();
+
        dl_main = dlsym(handle, "main");
        if (dl_main != NULL) {
                if (__change_cmdline(argv[0]) < 0) {
                        _E("change cmdline fail");
+                       dlclose(handle);
                        return;
                }
+
+#ifdef _APPFW_FEATURE_PRIORITY_CHANGE
+               int res = setpriority(PRIO_PROCESS, 0, 0);
+               if (res == -1)
+               {
+                       SECURE_LOGE("Setting process (%d) priority to 0 failed, errno: %d (%s)",
+                                       getpid(), errno, strerror(errno));
+               }
+#endif
                dl_main(argc, argv);
        } else {
                _E("dlsym not founded. bad preloaded app - check fpie pie");
+               if ((error = dlerror()) != NULL) {
+                       _E("dlsym error: %s", error);
+               }
+               dlclose(handle);
+               return;
        }
 
        exit(0);