ndk/platforms/android-18/arch-arm/usr/include/linux/ashmem.h

   1 /****************************************************************************
   2  ****************************************************************************
   3  ***
   4  ***   This header was automatically generated from a Linux kernel header
   5  ***   of the same name, to make information necessary for userspace to
   6  ***   call into the kernel available to libc.  It contains only constants,
   7  ***   structures, and macros generated from the original header, and thus,
   8  ***   contains no copyrightable information.
   9  ***
  10  ****************************************************************************
  11  ****************************************************************************/
  12 #ifndef _LINUX_ASHMEM_H
  13 #define _LINUX_ASHMEM_H
  14
  15 #include <linux/limits.h>
  16 #include <linux/ioctl.h>
  17
  18 #define ASHMEM_NAME_LEN 256
  19
  20 #define ASHMEM_NAME_DEF "dev/ashmem"
  21
  22 #define ASHMEM_NOT_PURGED 0
  23 #define ASHMEM_WAS_PURGED 1
  24
  25 #define ASHMEM_IS_UNPINNED 0
  26 #define ASHMEM_IS_PINNED 1
  27
  28 struct ashmem_pin {
  29  __u32 offset;
  30  __u32 len;
  31 };
  32
  33 #define __ASHMEMIOC 0x77
  34
  35 #define ASHMEM_SET_NAME _IOW(__ASHMEMIOC, 1, char[ASHMEM_NAME_LEN])
  36 #define ASHMEM_GET_NAME _IOR(__ASHMEMIOC, 2, char[ASHMEM_NAME_LEN])
  37 #define ASHMEM_SET_SIZE _IOW(__ASHMEMIOC, 3, size_t)
  38 #define ASHMEM_GET_SIZE _IO(__ASHMEMIOC, 4)
  39 #define ASHMEM_SET_PROT_MASK _IOW(__ASHMEMIOC, 5, unsigned long)
  40 #define ASHMEM_GET_PROT_MASK _IO(__ASHMEMIOC, 6)
  41 #define ASHMEM_PIN _IOW(__ASHMEMIOC, 7, struct ashmem_pin)
  42 #define ASHMEM_UNPIN _IOW(__ASHMEMIOC, 8, struct ashmem_pin)
  43 #define ASHMEM_GET_PIN_STATUS _IO(__ASHMEMIOC, 9)
  44 #define ASHMEM_PURGE_ALL_CACHES _IO(__ASHMEMIOC, 10)
  45
  46 #endif