Patch from Daniel Richman to unblock SIGCHLD before spawning. closes: #657947.

1 files changed, 13 insertions, 0 deletions

diff --git a/run-parts.c b/run-parts.c
index b2835d6..b84d186 100644
--- a/run-parts.c
+++ b/run-parts.c
@@ -51,6 +51,9 @@ char **args = 0;
 char *custom_ere;
 regex_t hierre, tradre, excsre, classicalre, customre;
 
+static void catch_signals();
+static void restore_signals();
+
 static char* regex_get_error(int errcode, regex_t *compiled);
 static void  regex_compile_pattern(void);
 static void  regex_clean(void);
@@ -178,6 +181,7 @@ void run_part(char *progname)
     exit(1);
   }
   else if (!pid) {
+    restore_signals();
     if (new_session_mode)
       setsid();
     if (report_mode) {
@@ -347,6 +351,15 @@ static void catch_signals()
     sigprocmask(SIG_BLOCK, &set, NULL);
 }
 
+/* Unblock signals before execing a child */
+static void restore_signals()
+{
+    sigset_t set;
+    sigemptyset(&set);
+    sigaddset(&set, SIGCHLD);
+    sigprocmask(SIG_UNBLOCK, &set, NULL);
+}
+
 /* Find the parts to run & call run_part() */
 void run_parts(char *dirname)
 {