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-rw-r--r--erts/emulator/drivers/win32/win_efile.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/erts/emulator/drivers/win32/win_efile.c b/erts/emulator/drivers/win32/win_efile.c
index 24b6fb30dc..04bd1139f5 100644
--- a/erts/emulator/drivers/win32/win_efile.c
+++ b/erts/emulator/drivers/win32/win_efile.c
@@ -689,6 +689,9 @@ Sint64* pSize; /* Where to store the size of the file. */
if (flags & EFILE_MODE_APPEND) {
crFlags = OPEN_ALWAYS;
}
+ if (flags & EFILE_MODE_EXCL) {
+ crFlags = CREATE_NEW;
+ }
fd = CreateFile(name, access,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
NULL, crFlags, FILE_ATTRIBUTE_NORMAL, NULL);