From: Bruce Korb <bkorb@gnu.org>
Date: Thu, 8 Mar 2001 23:26:14 +0000 (+0000)
Subject: fix SIGCHLD handling
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0bf679a3645d2ac3c43cb8ac0cfcdfba05112397;p=gcc.git

fix SIGCHLD handling

From-SVN: r40330
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b468fcc972b..07d84063a5c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-03-08  Bruce Korb  <bkorb@gnu.org>
+
+	gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
+	wiat4() can receive the signal.
+
 Thu Mar  8 21:09:10 2001  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	* fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
diff --git a/gcc/gcc.c b/gcc/gcc.c
index ddf3f61e9a0..8477c003066 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -5517,6 +5517,9 @@ main (argc, argv)
   if (signal (SIGPIPE, SIG_IGN) != SIG_IGN)
     signal (SIGPIPE, fatal_error);
 #endif
+  /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will
+     receive the signal.  A different setting is inheritable */
+  signal (SIGCHLD, SIG_DFL);
 
   argbuf_length = 10;
   argbuf = (const char **) xmalloc (argbuf_length * sizeof (const char *));