Date: Tue, 01 Mar 2005 00:11:26 +0800 From: Kathy Quinlan <kat-free@kaqelectronics.dyndns.org> To: Dan Nelson <dnelson@allantgroup.com> Cc: freebsd-hackers@freebsd.org Subject: Re: clock.h Message-ID: <422342AE.9040207@kaqelectronics.dyndns.org> In-Reply-To: <20050228160802.GG8778@dan.emsphone.com> References: <42233B48.4010108@kaqelectronics.dyndns.org> <20050228160802.GG8778@dan.emsphone.com>
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Dan Nelson wrote: > In the last episode (Feb 28), Kathy Quinlan said: > >>I have this: >> >>#include <machine/clock.h> >> >>In program I use this: >> >>DELAY(1000); >> >>I get this: >> >>undefined referance to 'DELAY' >> >>when I compile the program with GCC with flags -Wall -g -o com main.c > > > DELAY is a kernel function. In user processes, just use sleep() or > nanosleep(). When you directly #include <machine/*> headers from > userland, the only useable things are structure definitions and macro > constants (and even then it's recommended that you use a userland > interface instead). You can't call any of the functions. > Thanks, using sleep now, only need a second :) Slowly learning programming in a real enviroment whene we do not have microsloth program to hold our hands (never had a VC++ ap able to do anything to a system, this program has already core dumped a few times) Regards, Kat. -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 266.5.1 - Release Date: 27/02/2005
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