1 files changed, 3 insertions, 0 deletions

diff --git a/src/process.c b/src/process.c
index 65dec1457b0..646b9aed6a8 100644
--- a/src/process.c
+++ b/src/process.c
@@ -5104,6 +5104,7 @@ Lisp_Object process_sent_to;
 SIGTYPE
 send_process_trap ()
 {
+  SIGNAL_THREAD_CHECK (SIGPIPE);
 #ifdef BSD4_1
   sigrelse (SIGPIPE);
   sigrelse (SIGALRM);
@@ -6146,6 +6147,8 @@ sigchld_handler (signo)
   register struct Lisp_Process *p;
   extern EMACS_TIME *input_available_clear_time;
 
+  SIGNAL_THREAD_CHECK (signo);
+
 #ifdef BSD4_1
   extern int sigheld;
   sigheld |= sigbit (SIGCHLD);