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Re: [PATCH 14/15] Hurd signals: SA_SIGINFO support
- From: Samuel Thibault <samuel dot thibault at gnu dot org>
- To: Jeremie Koenig <jk at jk dot fr dot eu dot org>
- Cc: libc-alpha at sourceware dot org, bug-hurd at gnu dot org,Roland McGrath <roland at hack dot frob dot com>
- Date: Sun, 3 Jul 2011 02:55:06 +0200
- Subject: Re: [PATCH 14/15] Hurd signals: SA_SIGINFO support
- References: <1309365027-4774-1-git-send-email-jk@jk.fr.eu.org><1309365027-4774-15-git-send-email-jk@jk.fr.eu.org>
I believe this is good enough for an initial implementation.
Jeremie Koenig, le Wed 29 Jun 2011 18:30:26 +0200, a écrit :
> + uc->uc_sigmask = sc->sc_mask;
> + uc->uc_stack.ss_sp = (__ptr_t) sc->sc_esp;
> + uc->uc_stack.ss_size = 0;
> + uc->uc_stack.ss_flags = 0;
We generally don't know much beyond esp indeed. In the sigaltstack case,
however, we do.
Samuel