testrun.c

   1 /* Run a testsuite script with a timeout. */
   2
   3 #include "rsync.h"
   4
   5 #define DEFAULT_TIMEOUT_SECS (5*60)
   6 #define TIMEOUT_ENV "TESTRUN_TIMEOUT"
   7
   8  int main(int argc, char *argv[])
   9 {
  10         pid_t pid;
  11         char *timeout_env;
  12         int status, timeout_secs, slept = 0;
  13
  14         if (argc < 2) {
  15                 fprintf(stderr, "Usage: testrun [SHELL_OPTIONS] TESTSUITE_SCRIPT [ARGS]\n");
  16                 exit(1);
  17         }
  18
  19         if ((timeout_env = getenv(TIMEOUT_ENV)) != NULL)
  20                 timeout_secs = atoi(timeout_env);
  21         else
  22                 timeout_secs = DEFAULT_TIMEOUT_SECS;
  23
  24         if ((pid = fork()) < 0) {
  25                 fprintf(stderr, "TESTRUN ERROR: fork failed: %s\n", strerror(errno));
  26                 exit(1);
  27         }
  28
  29         if (pid == 0) {
  30                 argv[0] = "sh";
  31                 execvp(argv[0], argv);
  32                 fprintf(stderr, "TESTRUN ERROR: failed to exec %s: %s\n", argv[0], strerror(errno));
  33                 _exit(1);
  34         }
  35
  36         while (1) {
  37                 int ret = waitpid(pid, &status, WNOHANG);
  38                 if (ret > 0)
  39                         break;
  40                 if (ret < 0) {
  41                         if (errno == EINTR)
  42                                 continue;
  43                         fprintf(stderr, "TESTRUN ERROR: waitpid failed: %s\n", strerror(errno));
  44                         exit(1);
  45                 }
  46                 if (slept++ > timeout_secs) {
  47                         fprintf(stderr, "TESTRUN TIMEOUT: test took over %d seconds.\n", timeout_secs);
  48                         if (kill(pid, SIGTERM) < 0)
  49                                 fprintf(stderr, "TESTRUN ERROR: failed to kill pid %ld: %s\n", (long)pid, strerror(errno));
  50                         else
  51                                 fprintf(stderr, "TESTRUN INFO: killed pid %ld\n", (long)pid);
  52                         exit(1);
  53                 }
  54                 sleep(1);
  55         }
  56
  57         if (!WIFEXITED(status))
  58                 exit(255);
  59
  60         return WEXITSTATUS(status);
  61 }