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authorJohn Hood <cgull@glup.org>2016-01-31 01:37:33 +0300
committerCorinna Vinschen <corinna@vinschen.de>2016-03-20 17:26:31 +0300
commit9f82de59a07da145c177648fe474f19cd9def7a1 (patch)
treef659ec35ec4757cff39490068fe6fd1391dda2c1
parent6e70fd315a29578f090a98f84e9d8e95ddb156e3 (diff)
Debug printfs.
* fhandler.cc (fhandler_base::get_readahead): Add debug code. * fhandler_console.cc (fhandler_console::read): Add debug code. * select.cc (pselect): Add debug code. (peek_console): Add debug code.
-rw-r--r--winsup/cygwin/fhandler.cc1
-rw-r--r--winsup/cygwin/fhandler_console.cc10
-rw-r--r--winsup/cygwin/select.cc12
3 files changed, 21 insertions, 2 deletions
diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc
index 33743d44d..86f77c3e8 100644
--- a/winsup/cygwin/fhandler.cc
+++ b/winsup/cygwin/fhandler.cc
@@ -90,6 +90,7 @@ fhandler_base::get_readahead ()
/* FIXME - not thread safe */
if (raixget >= ralen)
raixget = raixput = ralen = 0;
+ debug_printf("available: %d", chret > -1);
return chret;
}
diff --git a/winsup/cygwin/fhandler_console.cc b/winsup/cygwin/fhandler_console.cc
index c510d7021..e0e2813ad 100644
--- a/winsup/cygwin/fhandler_console.cc
+++ b/winsup/cygwin/fhandler_console.cc
@@ -309,6 +309,8 @@ fhandler_console::read (void *pv, size_t& buflen)
int ch;
set_input_state ();
+ debug_printf("requested buflen %d", buflen);
+
/* Check console read-ahead buffer filled from terminal requests */
if (con.cons_rapoi && *con.cons_rapoi)
{
@@ -318,6 +320,7 @@ fhandler_console::read (void *pv, size_t& buflen)
}
int copied_chars = get_readahead_into_buffer (buf, buflen);
+ debug_printf("copied_chars %d", copied_chars);
if (copied_chars)
{
@@ -695,9 +698,11 @@ fhandler_console::read (void *pv, size_t& buflen)
continue;
}
+ debug_printf("toadd = %p, nread = %d", toadd, nread);
if (toadd)
{
- line_edit_status res = line_edit (toadd, nread, ti);
+ ssize_t bytes_read;
+ line_edit_status res = line_edit (toadd, nread, ti, &bytes_read);
if (res == line_edit_signalled)
goto sig_exit;
else if (res == line_edit_input_done)
@@ -705,6 +710,8 @@ fhandler_console::read (void *pv, size_t& buflen)
}
}
+ debug_printf("ralen = %d, bytes = %d", ralen, ralen - raixget);
+
while (buflen)
if ((ch = get_readahead ()) < 0)
break;
@@ -716,6 +723,7 @@ fhandler_console::read (void *pv, size_t& buflen)
#undef buf
buflen = copied_chars;
+ debug_printf("buflen set to %d", buflen);
return;
err:
diff --git a/winsup/cygwin/select.cc b/winsup/cygwin/select.cc
index 10205a051..25b0c5a98 100644
--- a/winsup/cygwin/select.cc
+++ b/winsup/cygwin/select.cc
@@ -925,18 +925,28 @@ peek_console (select_record *me, bool)
if (irec.Event.KeyEvent.bKeyDown
&& (irec.Event.KeyEvent.uChar.AsciiChar
|| fhandler_console::get_nonascii_key (irec, tmpbuf)))
- return me->read_ready = true;
+ {
+ debug_printf("peeked KEY_EVENT");
+ return me->read_ready = true;
+ }
}
else
{
if (irec.EventType == MOUSE_EVENT
&& fh->mouse_aware (irec.Event.MouseEvent))
+ {
+ debug_printf("peeked MOUSE_EVENT");
return me->read_ready = true;
+ }
if (irec.EventType == FOCUS_EVENT && fh->focus_aware ())
+ {
+ debug_printf("peeked FOCUS_EVENT");
return me->read_ready = true;
+ }
}
/* Read and discard the event */
+ debug_printf("discarded other event");
ReadConsoleInput (h, &irec, 1, &events_read);
}