[newlib-cygwin/main] Cygwin: testsuite: Add '-notimeout' option to cygrun

[Jon Turney <jturney@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=c88ac48eab3e9df4c7bb353af1b5dfd3798fa9f0

commit c88ac48eab3e9df4c7bb353af1b5dfd3798fa9f0
Author: Jon Turney <jon.turney@dronecode.org.uk>
Date:   Thu Jul 20 13:54:09 2023 +0100

    Cygwin: testsuite: Add '-notimeout' option to cygrun
    
    Add '-notimeout' option for cygrun.  This is very useful when using it
    to run a test standalone and under a debugger.
    
    Also: warn about excess arguments

Diff:
---
 winsup/testsuite/cygrun.c | 26 ++++++++++++++++++++++----
 1 file changed, 22 insertions(+), 4 deletions(-)

diff --git a/winsup/testsuite/cygrun.c b/winsup/testsuite/cygrun.c
index d8de7d158..450201342 100644
--- a/winsup/testsuite/cygrun.c
+++ b/winsup/testsuite/cygrun.c
@@ -23,24 +23,42 @@ main (int argc, char **argv)
   DWORD res;
   DWORD ec = 1;
   char *p;
+  DWORD timeout = 60 * 1000;
 
   if (argc < 2)
     {
       fprintf (stderr, "Usage: cygrun [program]\n");
-      exit (0);
+      exit (1);
+    }
+
+  int i;
+  for (i = 1; i < argc; ++i)
+    {
+      if (strcmp (argv[i], "-notimeout") == 0)
+	timeout = INFINITE;
+      else
+	break;
+    }
+
+  char *command = argv[i];
+
+  if (i < (argc-1))
+    {
+      fprintf (stderr, "cygrun: excess arguments\n");
+      exit (1);
     }
 
   SetEnvironmentVariable ("CYGWIN_TESTING", "1");
 
   memset (&sa, 0, sizeof (sa));
   memset (&pi, 0, sizeof (pi));
-  if (!CreateProcess (0, argv[1], 0, 0, 1, 0, 0, 0, &sa, &pi))
+  if (!CreateProcess (0, command, 0, 0, 1, 0, 0, 0, &sa, &pi))
     {
-      fprintf (stderr, "CreateProcess %s failed\n", argv[1]);
+      fprintf (stderr, "CreateProcess %s failed\n", command);
       exit (1);
     }
 
-  res = WaitForSingleObject (pi.hProcess, 60 * 1000);
+  res = WaitForSingleObject (pi.hProcess, timeout);
 
   if (res == WAIT_TIMEOUT)
     {