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[bug #27634] sleep does not work under windows mingw
From: |
Scott McPeak |
Subject: |
[bug #27634] sleep does not work under windows mingw |
Date: |
Fri, 09 Oct 2009 01:29:48 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 |
URL:
<http://savannah.gnu.org/bugs/?27634>
Summary: sleep does not work under windows mingw
Project: Guile
Submitted by: smcpeak
Submitted on: Fri 09 Oct 2009 01:29:47 AM GMT
Category: None
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
_______________________________________________________
Details:
The implementation of sleep/usleep in Guile-1.8.7 uses select(), but that
doesn't work on Windows using mingw:
guile> (sleep 1)
1 ; returned immediately
guile> (sleep 4)
4 ; returned immediately
On unix and on Windows under cygwin, these calls actually sleep, and return 0
normally.
Note: The select implementation on unix seems to rely on the "sleep pipe". I
submitted a bug report including a patch that removes that pipe on mingw (bug
27573), but sleep doesn't work even with the pipe enabled.
The fix is straightforward, making 'sleep' and 'usleep' call 'Sleep' rather
than 'select'. I assume that's how it was at some point in the past because
scmsigs.c has definitions of 'sleep' and 'usleep' at the top of the file that
are not currently used.
Suggested patch attached.
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Fri 09 Oct 2009 01:29:47 AM GMT Name: windows-sleep-fix.diff Size:
910B By: smcpeak
<http://savannah.gnu.org/bugs/download.php?file_id=18834>
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