X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=merge-index.c;h=646d090c58e774bdf0f412da39f4b67fd7a696c6;hb=b32d37a3a6817ba307062fe2f7b6d9cfb85a1ebd;hp=024196e7ac53cb9ad09b38ea646bad81aff33306;hpb=a549e11cc2fee10ddf66dd98ea79f7c624eee34e;p=git.git

diff --git a/merge-index.c b/merge-index.c
index 024196e7a..646d090c5 100644
--- a/merge-index.c
+++ b/merge-index.c
@@ -1,16 +1,18 @@
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <signal.h>
 
 #include "cache.h"
 
-static const char *pgm = NULL;
+static const char *pgm;
 static const char *arguments[8];
 static int one_shot, quiet;
 static int err;
 
 static void run_program(void)
 {
-	int pid = fork(), status;
+	pid_t pid = fork();
+	int status;
 
 	if (pid < 0)
 		die("unable to fork");
@@ -99,6 +101,11 @@ int main(int argc, char **argv)
 {
 	int i, force_file = 0;
 
+	/* Without this we cannot rely on waitpid() to tell
+	 * what happened to our children.
+	 */
+	signal(SIGCHLD, SIG_DFL);
+
 	if (argc < 3)
 		usage("git-merge-index [-o] [-q] <merge-program> (-a | <filename>*)");