+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <unistd.h>
+#include "test.h"
+
+static void handler(int s)
+{
+}
+
+static int start(char *argv[])
+{
+ int pid;
+
+ pid = fork();
+ if (pid == 0) {
+ t_setrlim(RLIMIT_STACK, 100*1024);
+ t_setrlim(RLIMIT_CPU, 2);
+ execv(argv[0], argv);
+ t_error("%s exec failed: %s\n", argv[0], strerror(errno));
+ exit(1);
+ }
+ if (pid == -1) {
+ t_error("%s fork failed: %s\n", argv[0], strerror(errno));
+ exit(-1);
+ }
+ return pid;
+}
+
+int main(int argc, char *argv[])
+{
+ int status;
+ sigset_t set;
+ int timeout = 0;
+ int sig = 0;
+ int pid;
+
+ if (argc < 2) {
+ t_error("usage: ./runtest cmd [args..]\n");
+ return -1;
+ }
+ argv++;
+ sigemptyset(&set);
+ sigaddset(&set, SIGCHLD);
+ sigprocmask(SIG_BLOCK, &set, 0);
+ signal(SIGCHLD, handler);
+ pid = start(argv);
+ if (sigtimedwait(&set, 0, &(struct timespec){5,0}) == -1) {
+ if (errno == EAGAIN)
+ timeout = 1;
+ if (kill(pid, SIGKILL) == -1)
+ t_error("%s kill failed: %s\n", argv[0], strerror(errno));
+ }
+ if (waitpid(pid, &status, 0) != pid) {
+ t_error("%s waitpid failed: %s\n", argv[0], strerror(errno));
+ return -1;
+ }
+ if (WIFEXITED(status)) {
+ if (WEXITSTATUS(status) == 0)
+ return t_status;
+ t_printf("FAIL %s [status %d]\n", argv[0], WEXITSTATUS(status));
+ } else if (timeout) {
+ t_printf("FAIL %s [timed out]\n", argv[0]);
+ } else if (WIFSIGNALED(status)) {
+ t_printf("FAIL %s [signal %s]\n", argv[0], strsignal(WTERMSIG(status)));
+ } else
+ t_printf("FAIL %s [unknown]\n", argv[0]);
+ return 1;
+}