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      1 /* This testcase is part of GDB, the GNU debugger.
      2 
      3    Copyright 2025 Free Software Foundation, Inc.
      4 
      5    This program is free software; you can redistribute it and/or modify
      6    it under the terms of the GNU General Public License as published by
      7    the Free Software Foundation; either version 3 of the License, or
      8    (at your option) any later version.
      9 
     10    This program is distributed in the hope that it will be useful,
     11    but WITHOUT ANY WARRANTY; without even the implied warranty of
     12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13    GNU General Public License for more details.
     14 
     15    You should have received a copy of the GNU General Public License
     16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
     17 
     18 #include <unistd.h>
     19 #include <stdlib.h>
     20 #include <sys/stat.h>
     21 #include <errno.h>
     22 #include <stdio.h>
     23 
     24 int
     25 main (int argc, char *argv[])
     26 {
     27   /* Don't let this test stay alive forever.  */
     28   alarm (300);
     29 
     30   if (argc != 2)
     31     abort ();
     32 
     33   /* Check the file doesn't already exist.  */
     34   const char *filename = argv[1];
     35   struct stat buf;
     36   if (stat (filename, &buf) == 0 || errno != ENOENT)
     37     abort ();
     38 
     39   /* Create the file, and write something into it.  */
     40   FILE *out = fopen (filename, "w");
     41   if (out == NULL)
     42     abort ();
     43 
     44   fprintf (out, "Hello World\n");
     45 
     46   if (fclose (out) != 0)
     47     abort ();
     48 
     49   /* Spin until the marker file is deleted.  */
     50   while (stat (filename, &buf) == 0)
     51     sleep (1);
     52 
     53   return 0;
     54 }
     55