[gnome-builder] libide/threading: add assertions for pipefd usage

[Christian Hergert <chergert src gnome org>]

commit dbec2c43e7ac5a1442a53e9ffc5414caf7486ed0
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jul 21 17:51:57 2022 -0700

    libide/threading: add assertions for pipefd usage

 src/libide/threading/ide-unix-fd-map.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/src/libide/threading/ide-unix-fd-map.c b/src/libide/threading/ide-unix-fd-map.c
index 618bd41a6..305604c15 100644
--- a/src/libide/threading/ide-unix-fd-map.c
+++ b/src/libide/threading/ide-unix-fd-map.c
@@ -466,6 +466,11 @@ ide_unix_fd_map_create_stream (IdeUnixFDMap  *self,
       IDE_GOTO (failure);
     }
 
+  g_assert (stdin_pair[0] != -1);
+  g_assert (stdin_pair[1] != -1);
+  g_assert (stdout_pair[0] != -1);
+  g_assert (stdout_pair[1] != -1);
+
   ide_unix_fd_map_take (self, ide_steal_fd (&stdin_pair[0]), dest_read_fd);
   ide_unix_fd_map_take (self, ide_steal_fd (&stdout_pair[1]), dest_write_fd);
 
@@ -478,6 +483,11 @@ ide_unix_fd_map_create_stream (IdeUnixFDMap  *self,
 
   ret = g_simple_io_stream_new (input, output);
 
+  g_assert (stdin_pair[0] == -1);
+  g_assert (stdin_pair[1] == -1);
+  g_assert (stdout_pair[0] == -1);
+  g_assert (stdout_pair[1] == -1);
+
 failure:
 
   if (stdin_pair[0] != -1)