Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!usc!apple!voder!pyramid!ctnews!unix386!mburg From: mburg@unix386.Convergent.COM (Mike Burg) Newsgroups: comp.unix.sysv386 Subject: Re: 8254 timer usage under Sys V/386 R3.2? Summary: Look in io Message-ID: <5910@unix386.Convergent.COM> Date: 4 Feb 91 19:04:59 GMT References: <16808@ogicse.ogi.edu> <1991Feb1.202411.9033@ico.isc.com> <107@calcite.UUCP> Organization: Unisys/Convergent, San Jose, CA Lines: 15 In article <107@calcite.UUCP>, vjs@calcite.UUCP (Vernon Schryver) writes: [Discussion about timer driver implementation deleted] > A quick grep thru a copy of the SVR4 os/*.c showed me no signs of itimers. > I don't see how you could have decent BSD compatibility without them, but > they didn't call it SV without reason. (Yes, the original article was > about SVR3.2.) > Vernon Schryver, vjs@calcite.uucp Try looking at uts/i386/io/hrtimers.c, lib/libc/port/gen/getsetitimer.c, and lib/libc/port/sys/hrtsys.c. The library routines convert the BSD style of itimer into the a format use by the HRTSYS system call. -- ---------------------------------- Michael Burg - Unisys/Convergent Corp. Unix Intel Platforms Division San Jose Phone: (408) 456-5934 UUCP: uunet!pyramid!ctnews!unix386.Convergent.com!mburg