support msync() system call. refs #382

Msync(2) of this version writes only the pages which the calling process modified. Modifications of the other processes are not written.
2014-07-09 14:19:26 +09:00
parent 6485578a7f
commit 16af976a71
8 changed files with 356 additions and 0 deletions
--- a/kernel/include/mman.h
+++ b/kernel/include/mman.h
@@ -69,4 +69,11 @@
 #define	MREMAP_MAYMOVE	0x01
 #define	MREMAP_FIXED	0x02

+/*
+ * for msync()
+ */
+#define	MS_ASYNC	0x01
+#define	MS_INVALIDATE	0x02
+#define	MS_SYNC		0x04
+
 #endif /* HEADER_MMAN_H */