btrfs-progs: add compat header for android

Provide stubs and compat macros for android build.

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/androidcompat.h b/androidcompat.h
new file mode 100644 (file)
index 0000000..eec76da
--- /dev/null
+++ b/androidcompat.h
@@ -0,0 +1,28 @@
+/*
+ * Compatibility layer for Android.
+ *
+ * Stub calls or alternate functions for pthreads.
+ */
+
+#ifndef __ANDROID_H__
+#define __ANDROID_H__
+
+#ifdef ANDROID
+
+#define pthread_setcanceltype(type, oldtype)   (0)
+#define pthread_setcancelstate(state, oldstate)        (0)
+
+#define pthread_cancel(ret)    pthread_kill((ret), SIGUSR1)
+
+typedef struct blkid_struct_probe *blkid_probe;
+
+#include <dirent.h>
+#define direct dirent
+
+#else  /* !ANDROID */
+
+#include <sys/dir.h>
+
+#endif /* !ANDROID */
+
+#endif /* __ANDROID_H__ */