Cygwin: fhandler_pipe::raw_read: fix handle leak

Slightly rearrange the code to avoid returning without closing the
event handle.
This commit is contained in:
Ken Brown 2021-11-23 10:13:43 -05:00
parent e84b43ea93
commit 6d34b62cb8
1 changed files with 9 additions and 7 deletions

View File

@ -284,13 +284,6 @@ fhandler_pipe::raw_read (void *ptr, size_t& len)
if (!len)
return;
if (!(evt = CreateEvent (NULL, false, false, NULL)))
{
__seterrno ();
len = (size_t) -1;
return;
}
DWORD timeout = is_nonblocking () ? 0 : INFINITE;
DWORD waitret = cygwait (read_mtx, timeout);
switch (waitret)
@ -314,6 +307,15 @@ fhandler_pipe::raw_read (void *ptr, size_t& len)
len = (size_t) -1;
return;
}
if (!(evt = CreateEvent (NULL, false, false, NULL)))
{
__seterrno ();
len = (size_t) -1;
ReleaseMutex (read_mtx);
return;
}
while (nbytes < len)
{
ULONG_PTR nbytes_now = 0;