That is because they might not be exported. Check for the file /boot/System.map But why do you want to use it? Use some better methods to achieve the funcitonality. Still, if you are so keen to use them refer to EXPORT_SYMBOLS() Thanks, Sumit ----- Original Message ----- From: aaaaaa qqq <br_sh_rana@yahoo.com> Date: Thursday, March 7, 2002 1:01 pm Subject: Re: problem with semaphores > Even the symbols sys_semget and sys_semop are giving > unresolved symbols error. > > Rgds, > Sudhakar. > > --- Sumit Agarwal <sumit.agarwal@wipro.com> wrote: > > You are doing an insmod of a kernel module and not a > > library module. > > The symbols that you have mentioned are library > > symbols. Though semget > > and semop are system calls, from within the kernel > > you are required to > > invoke in a different way as sys_semop(). But be > > careful with the user > > data segment and kernel data segment. > > Refer Kernelnewbies.org for more details. > > > > Thanks, > > Sumit > > > > ----- Original Message ----- > > From: aaaaaa qqq <br_sh_rana@yahoo.com> > > Date: Thursday, March 7, 2002 11:24 am > > Subject: problem with semaphores > > > > > Dear Friends, > > > > > > I am using insmod and I am getting the following > > > errors when I am trying to insert a module. > > > > > > unresolved symbols: semget > > > unresolved symbols: semop > > > unresolved symbols: pthread_mutex_init > > > unresolved symbols: pthread_mutex_lock > > > unresolved symbols: pthread_mutex_trylock > > > unresolved symbols: pthread_mutex_unlock > > > > > > Can anyone help me in solving this. > > > > > > regards, > > > Sudhakar. > > > > > > > > > __________________________________________________ > > > Do You Yahoo!? > > > Try FREE Yahoo! Mail - the world's greatest free > > email! > > > http://mail.yahoo.com/ > > > -- > > > Kernelnewbies: Help each other learn about the > > Linux kernel. > > > Archive: > > http://mail.nl.linux.org/kernelnewbies/ > > > FAQ: http://kernelnewbies.org/faq/ > > > > > > > > > begin:vcard > > n:Agarwal;Sumit > > fn:Sumit Agarwal > > tel;cell:+919845205210 > > tel;fax:+91-80-5732696 > > tel;home:+919845205210 > > tel;work:+91-805732296 / 93 extn. 5243 > > url:www.wipro.com > > org:Wipro Technologies;SIDC, Embedded and Internet > > Division > > adr:;;Wipro Technologies, Chamundi Complex, No.26, > > Hosur Main Road, > > Bommanahalli;Bangalore;Karnataka;560068;INDIA > > version:2.1 > > email;internet:sumit.agarwal@wipro.com > > title:Senior Software Engineer > > end:vcard > > > > > > > > **************************Disclaimer************************************ > > > > Information contained in this E-MAIL being > > proprietary to Wipro Limited > > is 'privileged' and 'confidential' and intended for > > use only by the > > individual or entity to which it is addressed. You > > are notified that any > > use, copying or dissemination of the information > > contained in the E-MAIL > > in any manner whatsoever is strictly prohibited. > > > > > > > > > ******************************************************************** > > > > > __________________________________________________ > Do You Yahoo!? > Try FREE Yahoo! Mail - the world's greatest free email! > http://mail.yahoo.com/ >
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