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Unified Diff: base/platform_file_win.cc

Issue 10701050: net: Implement canceling of all async operations in FileStream. (Closed) Base URL: https://src.chromium.org/chrome/trunk/src/
Patch Set: Created 8 years, 1 month ago
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Index: base/platform_file_win.cc
diff --git a/base/platform_file_win.cc b/base/platform_file_win.cc
index b7861e621b0ed254650d59911271b226057be382..92f1c1f3f59333df2e8b6080dd28dc9e7b5c7fd4 100644
--- a/base/platform_file_win.cc
+++ b/base/platform_file_win.cc
@@ -115,6 +115,21 @@ bool ClosePlatformFile(PlatformFile file) {
return (CloseHandle(file) != 0);
}
+int64 SeekPlatformFile(PlatformFile file,
+ PlatformFileWhence whence,
+ int64 offset) {
+ base::ThreadRestrictions::AssertIOAllowed();
+ if (file < 0 || offset < 0)
+ return -1;
+
+ LARGE_INTEGER distance, res;
+ distance.QuadPart = offset;
+ DWORD move_method = static_cast<DWORD>(whence);
+ if (!SetFilePointerEx(file, distance, &res, move_method))
+ return -1;
+ return res.QuadPart;
+}
+
int ReadPlatformFile(PlatformFile file, int64 offset, char* data, int size) {
base::ThreadRestrictions::AssertIOAllowed();
if (file == kInvalidPlatformFileValue)
@@ -145,6 +160,11 @@ int ReadPlatformFileNoBestEffort(PlatformFile file, int64 offset, char* data,
return ReadPlatformFile(file, offset, data, size);
}
+int ReadPlatformFileCurPosNoBestEffort(PlatformFile file,
+ char* data, int size) {
+ return ReadPlatformFile(file, 0, data, size);
+}
+
int WritePlatformFile(PlatformFile file, int64 offset,
const char* data, int size) {
base::ThreadRestrictions::AssertIOAllowed();
@@ -170,6 +190,11 @@ int WritePlatformFileAtCurrentPos(PlatformFile file, const char* data,
return WritePlatformFile(file, 0, data, size);
}
+int WritePlatformFileCurPosNoBestEffort(PlatformFile file,
+ const char* data, int size) {
+ return WritePlatformFile(file, 0, data, size);
+}
+
bool TruncatePlatformFile(PlatformFile file, int64 length) {
base::ThreadRestrictions::AssertIOAllowed();
if (file == kInvalidPlatformFileValue)

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