fix AS-safety of close when aio is in use and fd map is expanded

[musl] / include / sys / mman.h

diff --git a/include/sys/mman.h b/include/sys/mman.h
index 8a5149c..3d5d0f9 100644 (file)
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -20,6 +20,7 @@ extern "C" {
 
 #define MAP_SHARED     0x01
 #define MAP_PRIVATE    0x02
+#define MAP_SHARED_VALIDATE 0x03
 #define MAP_TYPE       0x0f
 #define MAP_FIXED      0x10
 #define MAP_ANON       0x20
@@ -33,8 +34,26 @@ extern "C" {
 #define MAP_NONBLOCK   0x10000
 #define MAP_STACK      0x20000
 #define MAP_HUGETLB    0x40000
+#define MAP_SYNC       0x80000
+#define MAP_FIXED_NOREPLACE 0x100000
 #define MAP_FILE       0
 
+#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)
+#define MAP_HUGE_2MB   (21 << 26)
+#define MAP_HUGE_8MB   (23 << 26)
+#define MAP_HUGE_16MB  (24 << 26)
+#define MAP_HUGE_32MB  (25 << 26)
+#define MAP_HUGE_256MB (28 << 26)
+#define MAP_HUGE_512MB (29 << 26)
+#define MAP_HUGE_1GB   (30 << 26)
+#define MAP_HUGE_2GB   (31 << 26)
+#define MAP_HUGE_16GB  (34U << 26)
+
 #define PROT_NONE      0
 #define PROT_READ      1
 #define PROT_WRITE     2
@@ -72,10 +91,26 @@ extern "C" {
 #define MADV_NOHUGEPAGE  15
 #define MADV_DONTDUMP    16
 #define MADV_DODUMP      17
+#define MADV_WIPEONFORK  18
+#define MADV_KEEPONFORK  19
+#define MADV_COLD        20
+#define MADV_PAGEOUT     21
 #define MADV_HWPOISON    100
 #define MADV_SOFT_OFFLINE 101
 #endif
 
+#ifdef _GNU_SOURCE
+#define MREMAP_MAYMOVE 1
+#define MREMAP_FIXED 2
+#define MREMAP_DONTUNMAP 4
+
+#define MLOCK_ONFAULT 0x01
+
+#define MFD_CLOEXEC 0x0001U
+#define MFD_ALLOW_SEALING 0x0002U
+#define MFD_HUGETLB 0x0004U
+#endif
+
 #include <bits/mman.h>
 
 void *mmap (void *, size_t, int, int, int, off_t);
@@ -92,14 +127,13 @@ int mlockall (int);
 int munlockall (void);
 
 #ifdef _GNU_SOURCE
-#define MREMAP_MAYMOVE 1
-#define MREMAP_FIXED 2
 void *mremap (void *, size_t, size_t, int, ...);
 int remap_file_pages (void *, size_t, int, size_t, int);
+int memfd_create (const char *, unsigned);
+int mlock2 (const void *, size_t, unsigned);
 #endif
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define MLOCK_ONFAULT   0x01
 int madvise (void *, size_t, int);
 int mincore (void *, size_t, unsigned char *);
 #endif
@@ -107,7 +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