xnu-1699.22.81.tar.gz

[apple/xnu.git] / bsd / sys / mman.h

diff --git a/bsd/sys/mman.h b/bsd/sys/mman.h
index ea1564cc0698e6a3eb107272744b8ce70ab7b2d9..109c6363488758e0d50317755712fdfa7dda9e36 100644 (file)
--- a/bsd/sys/mman.h
+++ b/bsd/sys/mman.h
@@ -115,21 +115,23 @@ typedef __darwin_size_t   size_t;
  */
 #define        MAP_SHARED      0x0001          /* [MF|SHM] share changes */
 #define        MAP_PRIVATE     0x0002          /* [MF|SHM] changes are private */
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 #define        MAP_COPY        MAP_PRIVATE     /* Obsolete */
-#endif /* !_POSIX_C_SOURCE */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
 
 /*
  * Other flags
  */
 #define        MAP_FIXED        0x0010 /* [MF|SHM] interpret addr exactly */
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 #define        MAP_RENAME       0x0020 /* Sun: rename private pages to file */
 #define        MAP_NORESERVE    0x0040 /* Sun: don't reserve needed swap area */
 #define        MAP_RESERVED0080 0x0080 /* previously unimplemented MAP_INHERIT */
 #define        MAP_NOEXTEND     0x0100 /* for MAP_FILE, don't change file size */
 #define        MAP_HASSEMAPHORE 0x0200 /* region may contain semaphores */
-#endif /* !_POSIX_C_SOURCE */
+#define MAP_NOCACHE     0x0400 /* don't cache pages for this mapping */
+#define MAP_JIT                 0x0800 /* Allocate a region that will be used for JIT purposes */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
 
 /*
  * Process memory locking
@@ -149,7 +151,7 @@ typedef __darwin_size_t     size_t;
 #define MS_INVALIDATE  0x0002  /* [MF|SIO] invalidate all cached data */
 #define        MS_SYNC         0x0010  /* [MF|SIO] msync synchronously */
 
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 #define MS_KILLPAGES    0x0004  /* invalidate pages, leave mapped */
 #define MS_DEACTIVATE   0x0008  /* deactivate pages, leave mapped */
 
@@ -158,7 +160,7 @@ typedef __darwin_size_t     size_t;
  */
 #define        MAP_FILE        0x0000  /* map from file (default) */
 #define        MAP_ANON        0x1000  /* allocated from memory, swap space */
-#endif /* !_POSIX_C_SOURCE */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
 
 
 /*
@@ -170,13 +172,17 @@ typedef __darwin_size_t   size_t;
 #define        POSIX_MADV_WILLNEED     3       /* [MC1] will need these pages */
 #define        POSIX_MADV_DONTNEED     4       /* [MC1] dont need these pages */
 
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 #define        MADV_NORMAL             POSIX_MADV_NORMAL
 #define        MADV_RANDOM             POSIX_MADV_RANDOM
 #define        MADV_SEQUENTIAL         POSIX_MADV_SEQUENTIAL
 #define        MADV_WILLNEED           POSIX_MADV_WILLNEED
 #define        MADV_DONTNEED           POSIX_MADV_DONTNEED
 #define        MADV_FREE               5       /* pages unneeded, discard contents */
+#define        MADV_ZERO_WIRED_PAGES   6       /* zero the wired pages that have not been unwired before the entry is deleted */
+#define MADV_FREE_REUSABLE     7       /* pages can be reused (by anyone) */
+#define MADV_FREE_REUSE                8       /* caller wants to reuse those pages */
+#define MADV_CAN_REUSE         9
 
 /*
  * Return bits from mincore
@@ -186,7 +192,7 @@ typedef __darwin_size_t     size_t;
 #define        MINCORE_MODIFIED         0x4     /* Page has been modified by us */
 #define        MINCORE_REFERENCED_OTHER 0x8     /* Page has been referenced */
 #define        MINCORE_MODIFIED_OTHER  0x10     /* Page has been modified */
-#endif /* !_POSIX_C_SOURCE */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
 
 
 #ifndef KERNEL
@@ -205,7 +211,7 @@ void *      mmap(void *, size_t, int, int, int, off_t) __DARWIN_ALIAS(mmap);
 /* [MPR] */
 int    mprotect(void *, size_t, int) __DARWIN_ALIAS(mprotect);
 /* [MF|SIO] */
-int    msync(void *, size_t, int) __DARWIN_ALIAS(msync);
+int    msync(void *, size_t, int) __DARWIN_ALIAS_C(msync);
 /* [MR] */
 int    munlock(const void *, size_t);
 /* [MC3]*/
@@ -216,7 +222,7 @@ int shm_unlink(const char *);
 /* [ADV] */
 int    posix_madvise(void *, size_t, int);
 
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 int    madvise(void *, size_t, int);
 int    mincore(const void *, size_t, char *);
 int    minherit(void *, size_t, int);
@@ -224,8 +230,9 @@ int minherit(void *, size_t, int);
 __END_DECLS
 
 #else  /* KERNEL */
-
-void pshm_cache_init(void);    /* for bsd_init() */
+#ifdef XNU_KERNEL_PRIVATE
+void pshm_cache_init(void) __attribute__((section("__TEXT, initcode")));       /* for bsd_init() */
+void pshm_lock_init(void);
 
 /*
  * XXX routine exported by posix_shm.c, but never used there, only used in
@@ -237,9 +244,11 @@ int pshm_mmap(struct proc *p, struct mmap_args *uap, user_addr_t *retval,
                struct fileproc *fp, off_t pageoff);
 /* Really need to overhaul struct fileops to avoid this... */
 struct pshmnode;
-int pshm_stat(struct pshmnode *pnode, struct stat *sb);
+struct stat;
+int pshm_stat(struct pshmnode *pnode, void *ub, int isstat64);
 struct fileproc;
-int pshm_truncate(struct proc *p, struct fileproc *fp, int fd, off_t length, register_t *retval);
+int pshm_truncate(struct proc *p, struct fileproc *fp, int fd, off_t length, int32_t *retval);
 
+#endif /* XNU_KERNEL_PRIVATE */
 #endif /* KERNEL */
 #endif /* !_SYS_MMAN_H_ */