mq_notify: rework to fix use-after-close/double-close bugs

[musl] / include / sys / mman.h

diff --git a/include/sys/mman.h b/include/sys/mman.h
index 3bade72..3d5d0f9 100644 (file)
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -40,6 +40,7 @@ extern "C" {
 
 #define MAP_HUGE_SHIFT 26
 #define MAP_HUGE_MASK  0x3f
+#define MAP_HUGE_16KB  (14 << 26)
 #define MAP_HUGE_64KB  (16 << 26)
 #define MAP_HUGE_512KB (19 << 26)
 #define MAP_HUGE_1MB   (20 << 26)
@@ -101,6 +102,7 @@ extern "C" {
 #ifdef _GNU_SOURCE
 #define MREMAP_MAYMOVE 1
 #define MREMAP_FIXED 2
+#define MREMAP_DONTUNMAP 4
 
 #define MLOCK_ONFAULT 0x01
 
@@ -139,7 +141,7 @@ int mincore (void *, size_t, unsigned char *);
 int shm_open (const char *, int, mode_t);
 int shm_unlink (const char *);
 
-#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
+#if defined(_LARGEFILE64_SOURCE)
 #define mmap64 mmap
 #define off64_t off_t
 #endif