From 87ec1e798711ffca7a18fed9ad1ef9b6485f6cc7 Mon Sep 17 00:00:00 2001 From: liheavy Date: Sat, 27 May 2023 09:57:50 +0800 Subject: [PATCH] =?UTF-8?q?commonlibrary/c=5Futils:=20=E5=A2=9E=E5=8A=A0li?= =?UTF-8?q?nux=E7=9A=84ashmem.h=E5=A4=B4=E6=96=87=E4=BB=B6?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../c_utils/base/include/linux/ashmem.h | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 base/include/linux/ashmem.h diff --git a/base/include/linux/ashmem.h b/base/include/linux/ashmem.h new file mode 100644 index 00000000..174667f9 --- /dev/null +++ b/base/include/linux/ashmem.h @@ -0,0 +1,44 @@ +/**************************************************************************** + **************************************************************************** + *** + *** This header was automatically generated from a Linux kernel header + *** of the same name, to make information necessary for userspace to + *** call into the kernel available to libc. It contains only constants, + *** structures, and macros generated from the original header, and thus, + *** contains no copyrightable information. + *** + *** To edit the content of this header, modify the corresponding + *** source file (e.g. under external/kernel-headers/original/) then + *** run bionic/libc/kernel/tools/update_all.py + *** + *** Any manual change here will be lost the next time this script will + *** be run. You've been warned! + *** + **************************************************************************** + ****************************************************************************/ +#ifndef _UAPI_LINUX_ASHMEM_H +#define _UAPI_LINUX_ASHMEM_H +#include +#include +#define ASHMEM_NAME_LEN 256 +#define ASHMEM_NAME_DEF "dev/ashmem" +#define ASHMEM_NOT_PURGED 0 +#define ASHMEM_WAS_PURGED 1 +#define ASHMEM_IS_UNPINNED 0 +#define ASHMEM_IS_PINNED 1 +struct ashmem_pin { + __u32 offset; + __u32 len; +}; +#define __ASHMEMIOC 0x77 +#define ASHMEM_SET_NAME _IOW(__ASHMEMIOC, 1, char[ASHMEM_NAME_LEN]) +#define ASHMEM_GET_NAME _IOR(__ASHMEMIOC, 2, char[ASHMEM_NAME_LEN]) +#define ASHMEM_SET_SIZE _IOW(__ASHMEMIOC, 3, size_t) +#define ASHMEM_GET_SIZE _IO(__ASHMEMIOC, 4) +#define ASHMEM_SET_PROT_MASK _IOW(__ASHMEMIOC, 5, unsigned long) +#define ASHMEM_GET_PROT_MASK _IO(__ASHMEMIOC, 6) +#define ASHMEM_PIN _IOW(__ASHMEMIOC, 7, struct ashmem_pin) +#define ASHMEM_UNPIN _IOW(__ASHMEMIOC, 8, struct ashmem_pin) +#define ASHMEM_GET_PIN_STATUS _IO(__ASHMEMIOC, 9) +#define ASHMEM_PURGE_ALL_CACHES _IO(__ASHMEMIOC, 10) +#endif -- 2.33.0