Do not tickle glib SIGCHLD handling if Cygwin.

This mostly consists of undoing recent changes.
* callproc.c (Fcall_process):
* process.c (create_process):
Do not worry about catching SIGCHLD here, undoing previous change.
* nsterm.m (ns_term_init): Re-catch SIGCHLD, undoing previous change.
* process.c, process.h (catch_child_signal):
No longer extern if !NS_IMPL_GNUSTEP, undoing 06-22 change.
* process.c (catch_child_handler): Don't worry about being called
lazily and do not assume caller has blocked SIGCHLD, undoing
previous change.  Move first-time stuff back to
init_process_emacs, undoing 06-22 change.  If CYGWIN, do not
tickle glib, as that causes Cygwin bootstrap to fail.  Do not
set lib_child_handler if it's already initialized, which may
help avoid problems on GNUStep.

1 files changed, 0 insertions, 1 deletions

diff --git a/src/callproc.c b/src/callproc.c
index 7db984fa71c..f0aa8222342 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -613,7 +613,6 @@ usage: (call-process PROGRAM &optional INFILE DESTINATION DISPLAY &rest ARGS)  *
 
     block_input ();
     block_child_signal ();
-    catch_child_signal ();
 
 #ifdef WINDOWSNT
     pid = child_setup (filefd, fd1, fd_error, new_argv, 0, current_dir);