From owner-freebsd-questions  Tue Jan 30 22: 8:40 2001
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Date: Tue, 30 Jan 2001 22:08:03 -0800
From: "Crist J. Clark" <cjclark@reflexnet.net>
To: Prasad.Chemburkar@Vashimail.ltitl.com
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: Regarding Compilation
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In-Reply-To: <652569E5.0019F6E3.00@Vashimail.ltitl.com>; from Prasad.Chemburkar@Vashimail.ltitl.com on Wed, Jan 31, 2001 at 10:13:35AM +0530
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On Wed, Jan 31, 2001 at 10:13:35AM +0530, Prasad.Chemburkar@Vashimail.ltitl.com wrote:
> 
> 
> 
> Hi!
> Everybody,
> 
> 
> our developer team is developing some application on 4.2 FreeBSD, they are using
> tsleep() function in there code but when they compile there code using 'C'
> compiler it gives following error
> 
>      /usr/include/sys/systm.h::332: syntax error before 'int'
>      /usr/include/sys/systm.h::333: syntax error before 'int'
>      /usr/include/sys/systm.h::334: syntax error before '{'
> 
> i want to ask whether any compilation options in kernel conf had to be used to
> use above function, pl help me on this topic,
> thanks in advance.

Yep, that looks broken.

  $ cat tsleeptest.c 
  #include <sys/param.h>
  #include <sys/systm.h>
  #include <sys/proc.h> 
  int main() { return 0; }
  $ cc -o tsleeptest tsleeptest.c
  In file included from tsleeptest.c:2:
  /usr/include/sys/systm.h:332: syntax error before `int'
  /usr/include/sys/systm.h:333: syntax error before `int'
  /usr/include/sys/systm.h:334: syntax error before `('
  $ tail +332 /usr/include/sys/systm.h | head 
  int major(dev_t x);
  int minor(dev_t x);
  dev_t makedev(int x, int y);
  udev_t dev2udev(dev_t x);
  dev_t udev2dev(udev_t x, int b);
  int uminor(udev_t dev);
  int umajor(udev_t dev);
  udev_t makeudev(int x, int y);
  #endif /* !_SYS_SYSTM_H_ */
  $ cc -E tsleeptest.c | awk '/wakeup_one/ { go = 1; next } ( go == 1 ) { print }' | head -13

 



  int ((int)(((u_int)( dev_t x ) >> 8)&0xff)) ;
  int ((int)(( dev_t x )&0xffff00ff)) ;
  dev_t ((dev_t)((( int x ) << 8) | (  int y ))) ;
  dev_t  dev2udev(dev_t x);
  dev_t udev2dev(dev_t  x, int b);
  int uminor(dev_t  dev);
  int umajor(dev_t  dev);
  dev_t  makeudev(int x, int y);

The macros for 'major' and 'minor' are being substituted in for these
major() and minor() functions. You might want to try sending in a PR,
see send-pr(1). The documentation on the manpage saying to use these
h-files might be the problem too.
-- 
Crist J. Clark                           cjclark@alum.mit.edu


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