From da60020f463d0b58fc1671c9134661035fef7c9b Mon Sep 17 00:00:00 2001
From: chenziang_sjtu <1094744965@qq.com>
Date: Thu, 7 Nov 2024 14:45:45 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=A0=E9=99=A4libsync?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 bundle.json            | 10 ---------
 libsync/BUILD.gn       | 34 ------------------------------
 libsync/include/sync.h | 20 ------------------
 libsync/src/sync.c     | 47 ------------------------------------------
 4 files changed, 111 deletions(-)
 delete mode 100644 libsync/BUILD.gn
 delete mode 100644 libsync/include/sync.h
 delete mode 100644 libsync/src/sync.c

diff --git a/bundle.json b/bundle.json
index 29817f7..9db5bf7 100644
--- a/bundle.json
+++ b/bundle.json
@@ -32,7 +32,6 @@
           "//commonlibrary/memory_utils/libdmabufheap:libdmabufheap",
           "//commonlibrary/memory_utils/libmeminfo:libmeminfo",
           "//commonlibrary/memory_utils/libpurgeablemem:libpurgeablemem",
-          "//commonlibrary/memory_utils/libsync:libsync",
           "//commonlibrary/memory_utils/libpurgeablemem:purgeable_memory_ndk"
       ],
       "inner_kits": [
@@ -54,15 +53,6 @@
             "header_base": "//commonlibrary/memory_utils/libmeminfo/include"
           }
         },
-        {
-          "name": "//commonlibrary/memory_utils/libsync:libsync",
-          "header": {
-            "header_files": [
-              "sync.h"
-            ],
-            "header_base": "//commonlibrary/memory_utils/libsync/include"
-          }
-        },
         {
           "name": "//commonlibrary/memory_utils/libpurgeablemem:libpurgeablemem",
           "header": {
diff --git a/libsync/BUILD.gn b/libsync/BUILD.gn
deleted file mode 100644
index 13ee1ca..0000000
--- a/libsync/BUILD.gn
+++ /dev/null
@@ -1,34 +0,0 @@
-# Copyright (c) 2024 Huawei Device Co., Ltd.
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import("//build/ohos.gni")
-
-config("libsync_config") {
-  include_dirs = [ "include" ]
-}
-
-ohos_shared_library("libsync") {
-  sources = [ "src/sync.c" ]
-  include_dirs = [ "include" ]
-
-  public_configs = [ ":libsync_config" ]
-  subsystem_name = "commonlibrary"
-  part_name = "memory_utils"
-
-  sanitize = {
-    cfi = true
-    cfi_cross_dso = true
-    debug = false
-  }
-  branch_protector_ret = "pac_ret"
-}
diff --git a/libsync/include/sync.h b/libsync/include/sync.h
deleted file mode 100644
index 7f6adfa..0000000
--- a/libsync/include/sync.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Copyright (c) 2024 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef COMM_UTILS_SYNC_H
-#define COMM_UTILS_SYNC_H
-
-int SyncWait(int fileDescriptor, int timeout);
-
-#endif
diff --git a/libsync/src/sync.c b/libsync/src/sync.c
deleted file mode 100644
index 8291466..0000000
--- a/libsync/src/sync.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright (c) 2024 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include "sync.h"
-#include <errno.h>
-#include <poll.h>
-#include <stdio.h>
-
-int SyncWait(int fileDescriptor, int timeout)
-{
-    if (fileDescriptor < 0) {
-        errno = EINVAL;
-        return -1;
-    }
-
-    struct pollfd pfd = { .fd = fileDescriptor, .events = POLLIN };
-    int pollResult;
-    
-    while (1) {
-        pollResult = poll(&pfd, 1, timeout);
-
-        if (pollResult > 0) {
-            if (pfd.revents & (POLLERR | POLLNVAL)) {
-                errno = EINVAL;
-                return -1;
-            }
-            return 0;
-        } else if (pollResult == 0) {
-            errno = ETIME;
-            return -1;
-        } else if (pollResult != -1 || (errno != EINTR && errno != EAGAIN)) {
-            break;
-        }
-    }
-    return pollResult;
-}
-- 
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