pkgs/sandbox: Implement a path cache

First of all this is to bring down the amount of syscalls we're doing
but it's also useful to avoid errors when we try to mount a path over an
already mounted path.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/pkgs/games/build-support/build-sandbox/src/path-cache.h b/pkgs/games/build-support/build-sandbox/src/path-cache.h
new file mode 100644
index 00000000..368f8d17
--- /dev/null
+++ b/pkgs/games/build-support/build-sandbox/src/path-cache.h
@@ -0,0 +1,10 @@
+#ifndef _PATH_CACHE_H
+#define _PATH_CACHE_H
+
+typedef void *path_cache;
+
+path_cache new_path_cache(void);
+void free_path_cache(path_cache pc);
+bool cache_path(path_cache pc, const char *path);
+
+#endif