> One possibility: last summer I added the SA_SIGINFO option for the > sigaction() function, however some of the fields of the siginfo_t > structure are not filled in properly because the information is not > currently available to the process which receives the signal [1,2]. > The goal would be to modify the sig_post() RPC, which is used to > transmit a signal, so that all the information needed to fill in the > siginfo_t is transmitted alongside with it. > > You would need to modify the Hurd interface definitions (for > sig_post), the GNU C library (to fill in the siginfo_t structure when > a signal is received, and also to transmit the information when kill() > is used to send a signal) and some of the Hurd translators which use > sig_post as well. You'll also have to check the POSIX standard [3] to > understand exactly what each field of siginfo_t should contain under > what circumstances. > > [1] http://www.bddebian.com/~hurd-web/open_issues/sa_siginfo_sa_sigaction/ > [2] http://www.bddebian.com/~hurd-web/user/jkoenig/java/ (look for > "SA_SIGINFO") > [3] http://pubs.opengroup.org/onlinepubs/9699919799/ > Thanks a lot for your suggestion.that would be great.I will start working on this.
Regards, Shaunak
