umid.c 735 B

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  1. /*
  2. * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
  3. * Licensed under the GPL
  4. */
  5. #include "asm/errno.h"
  6. #include "init.h"
  7. #include "os.h"
  8. #include "kern.h"
  9. #include "linux/kernel.h"
  10. /* Changed by set_umid_arg */
  11. static int umid_inited = 0;
  12. static int __init set_umid_arg(char *name, int *add)
  13. {
  14. int err;
  15. if(umid_inited){
  16. printf("umid already set\n");
  17. return 0;
  18. }
  19. *add = 0;
  20. err = set_umid(name);
  21. if(err == -EEXIST)
  22. printf("umid '%s' already in use\n", name);
  23. else if(!err)
  24. umid_inited = 1;
  25. return 0;
  26. }
  27. __uml_setup("umid=", set_umid_arg,
  28. "umid=<name>\n"
  29. " This is used to assign a unique identity to this UML machine and\n"
  30. " is used for naming the pid file and management console socket.\n\n"
  31. );