4 files changed, 50 insertions, 2 deletions
diff --git a/system/include/emscripten.h b/system/include/emscripten/emscripten.h
index 4da31ec3..9bc6c410 100644
--- a/system/include/emscripten.h
+++ b/system/include/emscripten/emscripten.h
@@ -12,6 +12,16 @@ extern "C" {
 #endif
 
 /*
+ * Forces LLVM to not dead-code-eliminate a function. Note that
+ * closure may still eliminate it at the JS level, for which you
+ * should use EXPORTED_FUNCTIONS (see settings.js).
+ *
+ * Example usage:
+ *   void EMSCRIPTEN_KEEPALIVE my_function() { .. }
+ */
+#define EMSCRIPTEN_KEEPALIVE __attribute__((used))
+
+/*
  * Interface to the underlying JS engine. This function will
  * eval() the given script.
  */
@@ -39,6 +49,18 @@ extern void emscripten_resume_main_loop();
 extern void emscripten_cancel_main_loop();
 
 /*
+ * Add a function to a queue of events that will execute
+ * before the main loop will continue.
+ */
+#if EMSCRIPTEN
+extern void emscripten_push_main_loop_blocker(void (*func)());
+#else
+inline void emscripten_push_main_loop_blocker(void (*func)()) {
+  func();
+}
+#endif
+
+/*
  * Call a C function asynchronously, that is, after returning
  * control to the JS event loop. This is done by a setTimeout.
  * When building natively this becomes a simple direct call,
@@ -50,7 +72,7 @@ extern void emscripten_cancel_main_loop();
 #if EMSCRIPTEN
 extern void emscripten_async_call(void (*func)(), int millis);
 #else
-void emscripten_async_call(void (*func)(), int millis) {
+inline void emscripten_async_call(void (*func)(), int millis) {
   SDL_Delay(millis);
   func();
 }
@@ -80,6 +102,11 @@ void emscripten_set_canvas_size(int width, int height);
 float emscripten_get_now();
 
 /*
+ * Simple random number generation in [0, 1), maps to Math.random().
+ */
+float emscripten_random();
+
+/*
  * This macro-looking function will cause Emscripten to
  * generate a comment in the generated code.
  * XXX This is deprecated for now, because it requires us to
@@ -88,6 +115,18 @@ float emscripten_get_now();
 //extern void EMSCRIPTEN_COMMENT(const char *text);
 
 /*
+ * Emscripten file system api
+ */
+
+/*
+ * Load file from url in asynchronous way. 
+ * When file is loaded then 'onload' callback will called.
+ * If any error occurred 'onerror' will called.
+ * The callbacks are called with the file as their argument.
+ */ 
+void emscripten_async_wget(const char* url, const char* file, void (*onload)(const char*), void (*onerror)(const char*));
+
+/*
  * Profiling tools.
  * INIT must be called first, with the maximum identifier that
  * will be used. BEGIN will add some code that marks
diff --git a/system/include/libc/sys/_default_fcntl.h b/system/include/libc/sys/_default_fcntl.h
index 0f2ffb07..188e25c4 100644
--- a/system/include/libc/sys/_default_fcntl.h
+++ b/system/include/libc/sys/_default_fcntl.h
@@ -209,6 +209,11 @@ extern int _open64 _PARAMS ((const char *, int, ...));
 #define POSIX_FADV_DONTNEED 135
 int posix_fadvise(int fd, off_t offset, off_t len, int advice);
 int posix_fallocate(int fd, off_t offset, off_t len);
+#define LOCK_SH 1
+#define LOCK_EX 2
+#define LOCK_UN 4
+#define LOCK_NB 8
+int flock(int fd, int operation);
 
 #ifdef __cplusplus
 }
diff --git a/system/include/libc/sys/dirent.h b/system/include/libc/sys/dirent.h
index 1fbe2b21..9dcf34d1 100644
--- a/system/include/libc/sys/dirent.h
+++ b/system/include/libc/sys/dirent.h
@@ -26,6 +26,10 @@ long  telldir(DIR *);
 DIR  *readdir(DIR *);
 int   closedir(DIR *dirp);
 void  rewinddir(DIR *dirp);
+int   scandir(const char *dirp,
+              struct dirent ***namelist,
+              int (*filter)(const struct dirent *),
+              int (*compar)(const struct dirent **, const struct dirent **));
 
 enum {
   DT_UNKNOWN = 0,
diff --git a/system/include/sys/statvfs.h b/system/include/sys/statvfs.h
index cf0a8c96..192be153 100644
--- a/system/include/sys/statvfs.h
+++ b/system/include/sys/statvfs.h
@@ -20,7 +20,7 @@ struct statvfs {
   int f_namemax;
 };
 
-int statvfs(char *path, struct statvfs *s);
+int statvfs(const char *path, struct statvfs *s);
 
 #ifdef __cplusplus
 }