[EMAIL PROTECTED] On Wed, Oct 1, 2008 at 12:01 PM, Thomas Gleixner <[EMAIL PROTECTED]> wrote: > Changes vs. V1: compat_sys_rt_sigqueueinfo implemented. Thanks Roland ! > > sys_kill has a counterpart sys_tgkill which allows to send signals to > a particular thread. sys_rt_sigqueueinfo is lacking such a counterpart. > > Aside of the asymetry it is a show stopper for migrating applications > from other unix-alike RTOSes. > > The following patch series implements rt_tgsigqueueinfo and hooks it > up for x86.
This is an excellent candidate for CCing to the new [EMAIL PROTECTED] (http://thread.gmane.org/gmane.linux.ltp/5658/), since it is an API change. > Find below the raw documentation. Thanks -- I'll work that up into a man page when this gets closer to release. Cheers, Michael > ---- > > NAME > rt_tgsigqueueinfo - Send signal information to a signal to a thread > > SYNOPSIS > long sys_rt_tgsigqueueinfo (int tgid, int tid, int sig, siginfo_t > *uinfo); > > DESCRIPTION > > rt_tgsigqueueinfo sends signal sig information uinfo to the > thread with the thread ID tid in the thread group tgid. (By > contrast, rt_sigqueueinfo(2) can only be used to send a signal > info to a process (i.e., thread group) as a whole, and the > signal will be delivered to an arbitrary thread within that > process.) > > RETURN VALUE > > rt_tgsigqueueinfo returns 0 on success; otherwise, > rt_sigqueueinfo returns one of the errors listed in the > "Errors" section. > > ERRORS > -EFAULT > An invalid value for uinfo was specified. > > -EINVAL > An invalid TID, TGID or signal was specified. > > -EPERM > Permission denied. For the required permissions, > see rt_sigqueueinfo(2). > > -ESRCH > No process with the specified thread ID and thread group > ID exists. > > > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ git://git.kernel.org/pub/scm/docs/man-pages/man-pages.git man-pages online: http://www.kernel.org/doc/man-pages/online_pages.html Found a bug? http://www.kernel.org/doc/man-pages/reporting_bugs.html -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
