1 files changed, 33 insertions, 9 deletions

diff --git a/src/process.c b/src/process.c
index bea9e72019b..02eb1122a07 100644
--- a/src/process.c
+++ b/src/process.c
@@ -4620,15 +4620,39 @@ wait_reading_process_output (int time_limit, int microsecs, int read_kbd,
              some data in the TCP buffers so that select works, but
              with custom pull/push functions we need to check if some
              data is available in the buffers manually.  */
-          if (nfds == 0 &&
-              wait_proc && wait_proc->gnutls_p /* Check for valid process.  */
-              /* Do we have pending data?  */
-              && emacs_gnutls_record_check_pending (wait_proc->gnutls_state) > 0)
-          {
-              nfds = 1;
-              /* Set to Available.  */
-              FD_SET (wait_proc->infd, &Available);
-          }
+          if (nfds == 0)
+            {
+              if (! wait_proc)
+                {
+                  /* We're not waiting on a specific process, so loop
+                     through all the channels and check for data. */
+                  struct Lisp_Process *proc;
+                  for (channel = 0; channel < MAXDESC; ++channel)
+                    {
+                      if (! NILP (chan_process[channel]) &&
+                          (proc = XPROCESS (chan_process[channel])) != NULL &&
+                          proc->gnutls_p &&
+                          proc->infd &&
+                          emacs_gnutls_record_check_pending (proc->gnutls_state) > 0)
+                        {
+                          nfds++;
+                          FD_SET (proc->infd, &Available);
+                        }
+                    }
+                }
+              else
+                {
+                  /* Check this specific channel. */
+                  if (wait_proc->gnutls_p && /* Check for valid process.  */
+                      /* Do we have pending data?  */
+                      emacs_gnutls_record_check_pending (wait_proc->gnutls_state) > 0)
+                    {
+                      nfds = 1;
+                      /* Set to Available.  */
+                      FD_SET (wait_proc->infd, &Available);
+                    }
+                }
+            }
 #endif
         }