From 87ec1e798711ffca7a18fed9ad1ef9b6485f6cc7 Mon Sep 17 00:00:00 2001
From: liheavy <lihaiwei8@huawei.com>
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?=
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---
 .../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 <linux/ioctl.h>
+#include <linux/types.h>
+#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