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privalloc 651 B

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  1. .TH PRIVALLOC 2
  2. .SH NAME
  3. privalloc, privfree \- per-process private storage management
  4. .SH SYNOPSIS
  5. .B #include <u.h>
  6. .br
  7. .B #include <libc.h>
  8. .ta \w'voidmmm'u
  9. .PP
  10. .B
  11. void** privalloc(void)
  12. .PP
  13. .B
  14. void privfree(void **p)
  15. .SH DESCRIPTION
  16. .I Privalloc
  17. returns a pointer to a per-process private storage location.
  18. The location is not shared among processes,
  19. even if they share the same data segments.
  20. It returns
  21. .B nil
  22. if there are no free slots available.
  23. .PP
  24. .I Privfree
  25. releases a location allocated with
  26. .IR privalloc .
  27. It is legal to call
  28. .I privfree
  29. with
  30. .I p
  31. set to
  32. .BR nil .
  33. .SH SOURCE
  34. .B /sys/src/libc/9sys/privalloc.c
  35. .SH SEE ALSO
  36. .IR exec (2)