[neovim] 01/05: tui/suspend_event(): set STDIN to "blocking"

[James McCoy]

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jamessan pushed a commit to branch debian/sid
in repository neovim.

commit 81648183c51c3b44b80bf720bf9ab23a0e1996a3
Author: Justin M. Keyes <justinkz at gmail.com>
Date:   Wed Nov 2 01:20:16 2016 +0100

    tui/suspend_event(): set STDIN to "blocking"
    
    Set STDIN to blocking on "suspend". This was missed in #2598.
    See 8a782f1699e2a59a3f3e91f6d7c35a3312b82b41.
    
    Also on "continue"/SIGCONT explicitly set STDIN back to NON-blocking.
    We don't explicitly do that on *startup* (libuv does it internally),
    but on "continue" it seems wise to restore libuv's expectations.
    
    Closes #5459
---
 src/nvim/tui/tui.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/nvim/tui/tui.c b/src/nvim/tui/tui.c
index f252b00..5e30517 100644
--- a/src/nvim/tui/tui.c
+++ b/src/nvim/tui/tui.c
@@ -611,6 +611,7 @@ static void suspend_event(void **argv)
   bool enable_mouse = data->mouse_enabled;
   tui_terminal_stop(ui);
   data->cont_received = false;
+  stream_set_blocking(input_global_fd(), true);   // normalize stream (#2598)
   kill(0, SIGTSTP);
   while (!data->cont_received) {
     // poll the event loop until SIGCONT is received
@@ -620,6 +621,7 @@ static void suspend_event(void **argv)
   if (enable_mouse) {
     tui_mouse_on(ui);
   }
+  stream_set_blocking(input_global_fd(), false);  // libuv expects this
   // resume the main thread
   CONTINUE(data->bridge);
 }

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