help : mutex sharing between processes

Khem Raj kraj at mvista.com
Sat Mar 8 13:04:21 PST 2008


On Mar 8, 2008, at 6:16 AM, vibi wrote:

> hello,
> 	i am trying to use sharing of mutex between processes on linux.
> 	i am using functions pthread_mutexattr_init followed by
> 	pthread_mutexattr_setpshared .
>
> 	in pc (kernel = 2.6.22.1,libpthread-2.5.so) it is running ok.
> 	but in arm-linux (kernel = 2.6.23.9,
> 			libuClibc-0.9.28.so,libpthread-0.9.28.so )
> 	i am getting error for pthread_mutexattr_setpshared function.
> 	

I dont think linuxthreads in uclibc has this. You can use uclibc-nptl  
branch currently for sh/mips
or you can try buildroot to get arm nptl which should have the process  
shared mutexes.
>

-Khem




More information about the uClibc mailing list