src/compiler-rt/lib/profile/WindowsMMap.h

   1 /*===- WindowsMMap.h - Support library for PGO instrumentation ------------===*\
   2 |*
   3 |*                     The LLVM Compiler Infrastructure
   4 |*
   5 |* This file is distributed under the University of Illinois Open Source
   6 |* License. See LICENSE.TXT for details.
   7 |*
   8 \*===----------------------------------------------------------------------===*/
   9
  10 #ifndef PROFILE_INSTRPROFILING_WINDOWS_MMAP_H
  11 #define PROFILE_INSTRPROFILING_WINDOWS_MMAP_H
  12
  13 #if defined(_WIN32)
  14
  15 #include <BaseTsd.h>
  16 #include <io.h>
  17 #include <sys/types.h>
  18
  19 /*
  20  * mmap() flags
  21  */
  22 #define PROT_READ     0x1
  23 #define PROT_WRITE    0x2
  24 #define PROT_EXEC     0x0
  25
  26 #define MAP_FILE      0x00
  27 #define MAP_SHARED    0x01
  28 #define MAP_PRIVATE   0x02
  29 #define MAP_ANONYMOUS 0x20
  30 #define MAP_ANON      MAP_ANONYMOUS
  31 #define MAP_FAILED    ((void *) -1)
  32
  33 /*
  34  * msync() flags
  35  */
  36 #define MS_ASYNC        0x0001  /* return immediately */
  37 #define MS_INVALIDATE   0x0002  /* invalidate all cached data */
  38 #define MS_SYNC         0x0010  /* msync synchronously */
  39
  40 /*
  41  * flock() operations
  42  */
  43 #define   LOCK_SH   1    /* shared lock */
  44 #define   LOCK_EX   2    /* exclusive lock */
  45 #define   LOCK_NB   4    /* don't block when locking */
  46 #define   LOCK_UN   8    /* unlock */
  47
  48 void *mmap(void *start, size_t length, int prot, int flags, int fd,
  49            off_t offset);
  50
  51 void munmap(void *addr, size_t length);
  52
  53 int msync(void *addr, size_t length, int flags);
  54
  55 int flock(int fd, int operation);
  56
  57 #endif /* _WIN32 */
  58
  59 #endif /* PROFILE_INSTRPROFILING_WINDOWS_MMAP_H */