Subject: [PATCH] ldso: Define MAP_FAILED for _dl_mmap()

When using mmap2() to emulate mmap(), _dl_mmap() uses MAP_FAILED to
indicate failure. MAP_FAILED is not defined anywhere, so this patch
defines it.

---

 ldso/include/dl-syscall.h |    1 +
 1 file changed, 1 insertion(+)

Index: uClibc-0.9.28/ldso/include/dl-syscall.h
===================================================================
--- uClibc-0.9.28.orig/ldso/include/dl-syscall.h	2006-02-07 16:49:27.000000000 +0100
+++ uClibc-0.9.28/ldso/include/dl-syscall.h	2006-02-07 17:07:06.000000000 +0100
@@ -132,6 +132,7 @@ static inline _syscall6(__ptr_t, __sysca
 		size_t, len, int, prot, int, flags, int, fd, off_t, offset);
 /*always 12, even on architectures where PAGE_SHIFT != 12 */
 #define MMAP2_PAGE_SHIFT 12
+#define MAP_FAILED ((void *) -1)
 static inline void * _dl_mmap(void * addr, unsigned long size, int prot,
 		int flags, int fd, unsigned long offset)
 {