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/ IRIX Base Documentation 2001 May / SGI IRIX Base Documentation 2001 May.iso / usr / share / catman / p_man / catD / getnextpg.z / getnextpg
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Text File  |  1998-10-30  |  3.3 KB  |  66 lines
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  4. ggggeeeettttnnnneeeexxxxttttppppgggg((((DDDD3333XXXX))))                                                  ggggeeeettttnnnneeeexxxxttttppppgggg((((DDDD3333XXXX))))
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  8. NNNNAAAAMMMMEEEE
  9.      _gggg_eeee_tttt_nnnn_eeee_xxxx_tttt_pppp_gggg - get next page pointer
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  11. SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
  12.      _####_iiii_nnnn_cccc_llll_uuuu_dddd_eeee _<<<<_ssss_yyyy_ssss_////_tttt_yyyy_pppp_eeee_ssss_...._hhhh_>>>>
  13.      _####_iiii_nnnn_cccc_llll_uuuu_dddd_eeee _<<<<_ssss_yyyy_ssss_////_pppp_ffff_dddd_aaaa_tttt_...._hhhh_>>>>
  14.      _####_iiii_nnnn_cccc_llll_uuuu_dddd_eeee _<<<<_ssss_yyyy_ssss_////_dddd_dddd_iiii_...._hhhh_>>>>
  15.      _ssss_tttt_rrrr_uuuu_cccc_tttt _pppp_ffff_dddd_aaaa_tttt _****_gggg_eeee_tttt_nnnn_eeee_xxxx_tttt_pppp_gggg_((((_bbbb_uuuu_ffff______tttt _((((_****_b_p_))))_((((_))))_,,,, _ssss_tttt_rrrr_uuuu_cccc_tttt _pppp_ffff_dddd_aaaa_tttt _****_p_p_))))_;;;;
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  17.    AAAArrrrgggguuuummmmeeeennnnttttssss
  18.      _b_p        Pointer to the buffer header structure
  19.      _p_p        Pointer to the previous pfdat structure returned.
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  21. DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
  22.      _gggg_eeee_tttt_nnnn_eeee_xxxx_tttt_pppp_gggg will return a pointer to the next page (pfdat) in a buffer
  23.      header's page list (see buf(D4)) during a paged-I/O request.  A paged-I/O
  24.      request is identified by the _BBBB______PPPP_AAAA_GGGG_EEEE_IIII_OOOO flag being set and the _BBBB______MMMM_AAAA_PPPP_PPPP_EEEE_DDDD
  25.      flag being clear in the _bbbb______ffff_llll_aaaa_gggg_ssss field of the buffer header passed to a
  26.      driver's _ssss_tttt_rrrr_aaaa_tttt_eeee_gggg_yyyy(D2) routine.
  27.  
  28.      Given a buffer header, _bbbb_pppp, and a pointer to the page, _pppp_pppp, returned from
  29.      the previous call to _gggg_eeee_tttt_nnnn_eeee_xxxx_tttt_pppp_gggg, the next page is returned.  If _pppp_pppp is
  30.      NULL, the first page in the page list is returned.
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  32.    LLLLeeeevvvveeeellll
  33.      Base or Interrupt.
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  35.    NNNNooootttteeeessss
  36.      Does not sleep.
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  38.    SSSSeeeeeeee AAAAllllssssoooo
  39.      _ssss_tttt_rrrr_aaaa_tttt_eeee_gggg_yyyy(D2), _bbbb_pppp______mmmm_aaaa_pppp_iiii_nnnn(D3), _bbbb_pppp______mmmm_aaaa_pppp_oooo_uuuu_tttt(D3), _pppp_pppp_tttt_oooo_pppp_hhhh_yyyy_ssss(D3X), _bbbb_uuuu_ffff(D4)
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  62.                                                                         PPPPaaaaggggeeee 1111
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