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Re: Fast access git-rev-list output: some OS knowledge required

From
Andreas Ericsson <ae@op5.se>
Date
Dec 7, 2006, 13:25 UTC
Message-ID
<45781639.1050208@op5.se>
In-Reply-To
<20061206195142.GE20320@spearce.org>
Shawn Pearce wrote:
Show 6 quoted lines
> 
> Perhaps there is some fast IPC API supported by Qt that you could
> use to run the revision listing outside of the main UI process,
> to eliminate the bottlenecks you are seeing and remove the problems
> noted above?  One that doesn't involve reading from a pipe I mean...
>

Why not just fork() + exec() and read from the filedescriptor? You can up the output buffer of the forked program to something suitable, which means the OS will cache it for you until you copy it to a buffer in qgit (i.e., read from the descriptor).

-- 
Andreas Ericsson                   andreas.ericsson@op5.se
OP5 AB                             www.op5.se
Previous: Shawn PearceNext: Johannes Schindelin
Message 8 of 17 in “Fast access git-rev-list output: some OS knowledge required”
  1. Marco CostalbaDec 6, 2006
  2. Shawn PearceDec 6, 2006
  3. Marco CostalbaDec 6, 2006
  4. Shawn PearceDec 6, 2006
  5. Shawn PearceDec 6, 2006
  6. Marco CostalbaDec 6, 2006
  7. Shawn PearceDec 6, 2006
  8. Andreas EricssonDec 7, 2006
  9. Johannes SchindelinDec 7, 2006
  10. Andreas EricssonDec 7, 2006
  11. Johannes SchindelinDec 7, 2006
  12. Marco CostalbaDec 8, 2006
  13. Michael K. EdwardsDec 8, 2006
  14. Marco CostalbaDec 9, 2006
  15. Johannes SchindelinDec 6, 2006
  16. Linus TorvaldsDec 7, 2006
  17. Marco CostalbaDec 7, 2006

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