prctl.h 1.8 KB

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  1. /* Copyright (C) 1997-2026 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, see
  13. <https://www.gnu.org/licenses/>. */
  14. #ifndef _SYS_PRCTL_H
  15. #define _SYS_PRCTL_H 1
  16. #include <features.h>
  17. #include <linux/prctl.h> /* The magic values come from here */
  18. /* Recent extensions to linux which may post-date the kernel headers
  19. we're picking up... */
  20. /* Memory tagging control operations (for AArch64). */
  21. #ifndef PR_MTE_TCF_SHIFT
  22. # define PR_MTE_TCF_SHIFT 1
  23. # define PR_MTE_TCF_NONE (0UL << PR_MTE_TCF_SHIFT)
  24. # define PR_MTE_TCF_SYNC (1UL << PR_MTE_TCF_SHIFT)
  25. # define PR_MTE_TCF_ASYNC (2UL << PR_MTE_TCF_SHIFT)
  26. # define PR_MTE_TCF_MASK (3UL << PR_MTE_TCF_SHIFT)
  27. # define PR_MTE_TAG_SHIFT 3
  28. # define PR_MTE_TAG_MASK (0xffffUL << PR_MTE_TAG_SHIFT)
  29. #endif
  30. __BEGIN_DECLS
  31. /* Control process execution. */
  32. #ifndef __USE_TIME64_REDIRECTS
  33. extern int prctl (int __option, ...) __THROW;
  34. #else
  35. # ifdef __REDIRECT
  36. extern int __REDIRECT_NTH (prctl, (int __option, ...), __prctl_time64);
  37. # else
  38. extern int __prctl_time64 (int __option,d ...) __THROW;
  39. # define ioctl __prctl_time64
  40. # endif
  41. #endif
  42. __END_DECLS
  43. #endif /* sys/prctl.h */