commit bdee4267583a7daaf9ea5284d2ff6d4bbb782229
author Rob Hughes <robert.hughes@arm.com> Tue Jan 07 17:05:24 2020 +0000
committer Rob Hughes <robert.hughes@arm.com> Tue Jan 21 16:01:58 2020 +0000
tree f61b4fd91777509fc8d55a23fd25af5e8f15ceb8
parent 25b7436b02514145a0289daff78f5b9f64cdd0db

Add thin abstraction layer for processes and filesystem

This is used instead of some hardcoded Unix calls and means this code
now works on Windows

(This is a rework of a previous patch which used boost, now that I have
been informed that we are trying to move towards removing boost).

Change-Id: Ib0d11055279bbd7b710f086e9890369e3ecbfe9a
Signed-off-by: Robert Hughes <robert.hughes@arm.com>

src/armnnUtils/Filesystem.cpp

diff --git a/src/armnnUtils/Filesystem.cpp b/src/armnnUtils/Filesystem.cpp
new file mode 100644
index 0000000..08c447b
--- /dev/null
+++ b/src/armnnUtils/Filesystem.cpp
@@ -0,0 +1,50 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "Filesystem.hpp"
+
+#if defined(__unix__)
+#include <sys/stat.h>
+#include <stdio.h>
+#elif defined(_MSC_VER)
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+#endif
+
+namespace armnnUtils
+{
+namespace Filesystem
+{
+
+long GetFileSize(const char* path)
+{
+#if defined(__unix__)
+    struct stat statusBuffer;
+    if (stat(path, & statusBuffer) != 0)
+    {
+        return -1;
+    }
+    return statusBuffer.st_size;
+#elif defined(_MSC_VER)
+    WIN32_FILE_ATTRIBUTE_DATA attr;
+    if (::GetFileAttributesEx(path, GetFileExInfoStandard, &attr) == 0)
+    {
+        return -1;
+    }
+    return attr.nFileSizeLow;
+#endif
+}
+
+bool Remove(const char* path)
+{
+#if defined(__unix__)
+    return remove(path) == 0;
+#elif defined(_MSC_VER)
+    return ::DeleteFile(path);
+#endif
+}
+
+}
+}

src/armnnUtils/Filesystem.hpp

diff --git a/src/armnnUtils/Filesystem.hpp b/src/armnnUtils/Filesystem.hpp
new file mode 100644
index 0000000..d6dc5b9
--- /dev/null
+++ b/src/armnnUtils/Filesystem.hpp
@@ -0,0 +1,18 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+namespace armnnUtils
+{
+namespace Filesystem
+{
+
+long GetFileSize(const char* path);
+
+bool Remove(const char* path);
+
+}
+}

src/armnnUtils/Processes.cpp

diff --git a/src/armnnUtils/Processes.cpp b/src/armnnUtils/Processes.cpp
new file mode 100644
index 0000000..0e43e8c
--- /dev/null
+++ b/src/armnnUtils/Processes.cpp
@@ -0,0 +1,30 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "Processes.hpp"
+
+#if defined(__unix__)
+#include <unistd.h>
+#elif defined(_MSC_VER)
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+#endif
+
+namespace armnnUtils
+{
+namespace Processes
+{
+
+int GetCurrentId()
+{
+#if defined(__unix__)
+    return getpid();
+#elif defined(_MSC_VER)
+    return ::GetCurrentProcessId();
+#endif
+}
+
+}
+}

src/armnnUtils/Processes.hpp

diff --git a/src/armnnUtils/Processes.hpp b/src/armnnUtils/Processes.hpp
new file mode 100644
index 0000000..0f1d955
--- /dev/null
+++ b/src/armnnUtils/Processes.hpp
@@ -0,0 +1,16 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+namespace armnnUtils
+{
+namespace Processes
+{
+
+int GetCurrentId();
+
+}
+}