auto import from //depot/cupcake/@135843
diff --git a/toolbox/kill.c b/toolbox/kill.c
new file mode 100644
index 0000000..4d0e479
--- /dev/null
+++ b/toolbox/kill.c
@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <signal.h>
+
+int kill_main(int argc, char **argv)
+{
+ int sig = SIGTERM;
+ int result = 0;
+
+ argc--;
+ argv++;
+
+ if(argc >= 2 && argv[0][0] == '-'){
+ sig = atoi(argv[0] + 1);
+ argc--;
+ argv++;
+ }
+
+ while(argc > 0){
+ int pid = atoi(argv[0]);
+ int err = kill(pid, sig);
+ if (err < 0) {
+ result = err;
+ fprintf(stderr, "could not kill pid %d: %s\n", pid, strerror(errno));
+ }
+
+ argc--;
+ argv++;
+ }
+
+ return result;
+}