Co-opting signals

Girish Hilage girish_hilage at
Mon Oct 8 23:34:11 PDT 2007

Thanks Daniel for your response.
But I want to know if libc_r is still(in it's latest version) co-opting
signals internally?


On Mon, 2007-10-08 at 15:01 -0400, Daniel Eischen wrote:

> On Mon, 8 Oct 2007, Girish Hilage wrote:
> > Hi,
> >
> >    I heard that, user level pthreads co-opt some signals to get their
> > job done.
> >    Can anybody please let me know which are these signals?
> Not true since 4.x since only libc_r did this.  Since FreeBSD 5.x,
> the default thread libraries (libpthread/libkse, and libthr) do
> not use signals for their implementation.  Under 5.x and subsequent,
> just compile and link your program normally (use -pthread or
> -lpthread when linking) and you will get the default thread
> library (not libc_r, which has been deprecated in 7.x/current).

More information about the freebsd-threads mailing list