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path: root/tests/to.c
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-rw-r--r--tests/to.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/tests/to.c b/tests/to.c
new file mode 100644
index 0000000..6511a54
--- a/dev/null
+++ b/tests/to.c
@@ -0,0 +1,74 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+int
+main (int argc, char **argv)
+{
+ char *progname = argv[0];
+ unsigned long n;
+ char *p;
+ pid_t pid, ret;
+ int status;
+
+ if (argc < 3)
+ {
+ fprintf (stderr, "usage: %s TIMEOUT COMMAND ...\n", progname);
+ exit (1);
+ }
+ errno = 0;
+ n = strtoul (argv[1], &p, 10);
+ if (errno || *p || n == 0)
+ {
+ fprintf (stderr, "%s: %s is not a valid timeout\n", progname, argv[1]);
+ exit (1);
+ }
+
+ argc -= 2;
+ argv += 2;
+
+ pid = fork ();
+ if (pid == -1)
+ {
+ perror ("fork");
+ exit (127);
+ }
+
+ if (pid == 0)
+ {
+ execvp (argv[0], argv);
+ perror (argv[0]);
+ exit (127);
+ }
+
+ alarm (n);
+ ret = wait (&status);
+ alarm (0);
+
+ if (ret != pid)
+ {
+ perror ("wait");
+ exit (127);
+ }
+
+ if (WIFEXITED (status))
+ return WEXITSTATUS (status);
+
+ if (WIFSIGNALED (status))
+ fprintf (stderr, "%s: %s terminated on signal %d\n", progname, argv[0],
+ WTERMSIG (status));
+ else if (WIFSTOPPED (status))
+ fprintf (stderr, "%s: %s stopped\n", progname, argv[0]);
+ else
+ fprintf (stderr, "%s: %s exited with unrecognized status %d\n",
+ progname, argv[0], status);
+ return 127;
+}
+
+
+
+
+

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