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From 78a6bcfed4b73f13b9973afd69b76067dd4a5dde Mon Sep 17 00:00:00 2001
From: Calixte Denizet <calixte.denizet@gmail.com>
Date: Mon, 4 Oct 2021 11:07:56 +0200
Subject: [PATCH] Remove FlushViewOfFile when unmaping gcda files - it can
causes bad performances with slow disks; - MS docs say that it's mainly
useful in case of hard failures (OS crash, electrical failure, ...): so it's
useless to call this function when ccov builds run on CI.
---
compiler-rt/lib/profile/GCDAProfiling.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/compiler-rt/lib/profile/GCDAProfiling.c b/compiler-rt/lib/profile/GCDAProfiling.c
index 4293e8f7b5bf..83650d33c95d 100644
--- a/compiler-rt/lib/profile/GCDAProfiling.c
+++ b/compiler-rt/lib/profile/GCDAProfiling.c
@@ -286,11 +286,6 @@ static int map_file() {
static void unmap_file() {
#if defined(_WIN32)
- if (!FlushViewOfFile(write_buffer, file_size)) {
- fprintf(stderr, "profiling: %s: cannot flush mapped view: %lu\n", filename,
- GetLastError());
- }
-
if (!UnmapViewOfFile(write_buffer)) {
fprintf(stderr, "profiling: %s: cannot unmap mapped view: %lu\n", filename,
GetLastError());
--
2.33.0
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