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diff src/channel.c @ 18104:e59ff7b5d7a7 v8.1.2047

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patch 8.1.2047: cannot check the current state Commit: https://github.com/vim/vim/commit/0e57dd859ecb1e8a3b91509d2f4343e839340eb8 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Sep 16 22:56:03 2019 +0200 patch 8.1.2047: cannot check the current state Problem: Cannot check the current state. Solution: Add the state() function.
author Bram Moolenaar <Bram@vim.org>
date Mon, 16 Sep 2019 23:00:04 +0200
parents 0d9ec3a2821f
children 59bc3cd42cf5
line wrap: on
line diff
--- a/src/channel.c
+++ b/src/channel.c
@@ -3483,6 +3483,7 @@ channel_read(channel_T *channel, ch_part
  * Read from RAW or NL "channel"/"part".  Blocks until there is something to
  * read or the timeout expires.
  * When "raw" is TRUE don't block waiting on a NL.
+ * Does not trigger timers or handle messages.
  * Returns what was read in allocated memory.
  * Returns NULL in case of error or timeout.
  */
@@ -3569,6 +3570,17 @@ channel_read_block(
     return msg;
 }
 
+static int channel_blocking_wait = 0;
+
+/*
+ * Return TRUE if in a blocking wait that might trigger callbacks.
+ */
+    int
+channel_in_blocking_wait(void)
+{
+    return channel_blocking_wait > 0;
+}
+
 /*
  * Read one JSON message with ID "id" from "channel"/"part" and store the
  * result in "rettv".
@@ -3592,6 +3604,7 @@ channel_read_json_block(
     int		retval = FAIL;
 
     ch_log(channel, "Blocking read JSON for id %d", id);
+    ++channel_blocking_wait;
 
     if (id >= 0)
 	channel_add_block_id(chanpart, id);
@@ -3661,6 +3674,7 @@ channel_read_json_block(
     }
     if (id >= 0)
 	channel_remove_block_id(chanpart, id);
+    --channel_blocking_wait;
 
     return retval;
 }