mirror of
https://gitlab.winehq.org/wine/wine-staging.git
synced 2024-11-21 16:46:54 -08:00
37 lines
1.4 KiB
Diff
37 lines
1.4 KiB
Diff
From 36c5307ddaea9ee5f0b1709ed14f3ec4b580acae Mon Sep 17 00:00:00 2001
|
|
From: Dmitry Timoshkov <dmitry@baikal.ru>
|
|
Date: Tue, 10 Feb 2015 06:36:52 +0100
|
|
Subject: ntdll: Avoid race-conditions with write watches in NtReadFile.
|
|
|
|
Rebased against kernel32-NamedPipe patchset by Sebastian Lackner <sebastian@fds-team.de>.
|
|
---
|
|
dlls/ntdll/file.c | 5 +++++
|
|
1 file changed, 5 insertions(+)
|
|
|
|
diff --git a/dlls/ntdll/file.c b/dlls/ntdll/file.c
|
|
index e564bdd..10e17d8 100644
|
|
--- a/dlls/ntdll/file.c
|
|
+++ b/dlls/ntdll/file.c
|
|
@@ -541,6 +541,8 @@ static NTSTATUS read_unix_fd(int fd, char *buf, ULONG *total, ULONG length,
|
|
else
|
|
return STATUS_PENDING;
|
|
}
|
|
+ else if (errno == EFAULT && wine_uninterrupted_write_memory( buf + *total, NULL, length - *total ) >= (length - *total))
|
|
+ continue;
|
|
else if (errno != EINTR)
|
|
return FILE_GetNtStatus();
|
|
}
|
|
@@ -780,6 +782,9 @@ NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
|
|
/* async I/O doesn't make sense on regular files */
|
|
while ((result = pread( unix_handle, buffer, length, offset->QuadPart )) == -1)
|
|
{
|
|
+ if (errno == EFAULT && virtual_check_buffer_for_write( buffer, length ))
|
|
+ continue;
|
|
+
|
|
if (errno != EINTR)
|
|
{
|
|
status = FILE_GetNtStatus();
|
|
--
|
|
2.2.2
|
|
|