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Cygwin: re-implement fhandler_fifo::open with O_PATH 

If the O_PATH flag is set, fhandler_fifo::open now simply calls
fhandler_base::open_fs.

The previous attempt to handle O_PATH in commit aa55d22c, "Cygwin:
honor the O_PATH flag when opening a FIFO", fixed a hang but otherwise
didn't do anything useful.
This commit is contained in:
Ken Brown 2020-01-23 16:31:04 +00:00
parent 92cd230f87
commit 4866aed39a
1 changed files with 2 additions and 8 deletions
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10
winsup/cygwin/fhandler_fifo.cc
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@ -453,17 +453,13 @@ fhandler_fifo::open (int flags, mode_t)
} res;
if (flags & O_PATH)
{
query_open (query_read_attributes);
nohandle (true);
}
return open_fs (flags);
/* Determine what we're doing with this fhandler: reading, writing, both */
switch (flags & O_ACCMODE)
{
case O_RDONLY:
if (!query_open ())
reader = true;
reader = true;
break;
case O_WRONLY:
writer = true;
@ -585,8 +581,6 @@ fhandler_fifo::open (int flags, mode_t)
}
}
}
if (query_open ())
res = success;
out:
if (res == error_set_errno)
__seterrno ();