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-rw-r--r--userland/libc/include/sys/mman.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/userland/libc/include/sys/mman.h b/userland/libc/include/sys/mman.h
index 7cba68f..d60997d 100644
--- a/userland/libc/include/sys/mman.h
+++ b/userland/libc/include/sys/mman.h
@@ -1,14 +1,16 @@
#ifndef MMAP_H
#define MMAP_H
-#include <stdint.h>
#include <stddef.h>
+#include <stdint.h>
+
+#define MAP_FAILED ((void *)-1)
#define PROT_READ (1 << 0)
#define PROT_WRITE (1 << 1)
-#define MAP_PRIVATE (1 << 0)
-#define MAP_ANONYMOUS (1<< 1)
-#define MAP_SHARED (1<< 2)
+#define MAP_PRIVATE (1 << 0)
+#define MAP_ANONYMOUS (1 << 1)
+#define MAP_SHARED (1 << 2)
void *mmap(void *addr, size_t length, int prot, int flags, int fd,
size_t offset);