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Cygwin: FIFO: remove the arm method 

There's no reason to check for errors when we set read_ready or
write_ready.  We don't do that for other events.
This commit is contained in:
Ken Brown 2020-04-23 08:14:05 -04:00
parent 9b2afd78ce
commit 25e8727368
2 changed files with 3 additions and 32 deletions
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1
winsup/cygwin/fhandler.h
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@ -1343,7 +1343,6 @@ public:
void set_close_on_exec (bool val);
void __reg3 raw_read (void *ptr, size_t& ulen);
ssize_t __reg3 raw_write (const void *ptr, size_t ulen);
bool arm (HANDLE h);
bool need_fixup_before () const { return reader; }
int fixup_before_fork_exec (DWORD) { stop_listen_client (); return 0; }
void init_fixup_before ();

34
winsup/cygwin/fhandler_fifo.cc
View File

@ -93,28 +93,6 @@ sec_user_cloexec (bool cloexec, PSECURITY_ATTRIBUTES sa, PSID sid)
return cloexec ? sec_user_nih (sa, sid) : sec_user (sa, sid);
}
bool inline
fhandler_fifo::arm (HANDLE h)
{
#ifdef DEBUGGING
const char *what;
if (h == read_ready)
what = "reader";
else
what = "writer";
debug_only_printf ("arming %s", what);
#endif
bool res = SetEvent (h);
if (!res)
#ifdef DEBUGGING
debug_printf ("SetEvent for %s failed, %E", what);
#else
debug_printf ("SetEvent failed, %E");
#endif
return res;
}
static HANDLE
create_event ()
{
@ -348,11 +326,7 @@ fhandler_fifo::listen_client_thread ()
api_fatal ("Can't add a client handler, %E");
/* Allow a writer to open. */
if (!arm (read_ready))
{
__seterrno ();
goto out;
}
SetEvent (read_ready);
/* Listen for a writer to connect to the new client handler. */
fifo_client_handler& fc = fc_handler[nhandlers - 1];
@ -555,10 +529,8 @@ fhandler_fifo::open (int flags, mode_t)
if (NT_SUCCESS (status))
{
set_pipe_non_blocking (get_handle (), flags & O_NONBLOCK);
if (!arm (write_ready))
res = error_set_errno;
else
res = success;
SetEvent (write_ready);
res = success;
goto out;
}
else if (STATUS_PIPE_NO_INSTANCE_AVAILABLE (status))