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Date: Thu, 8 Mar 2007 17:12:47 -0800 (PST) From: Davide Libenzi <davidel@...ilserver.org> To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> cc: Andrew Morton <akpm@...ux-foundation.org>, Linus Torvalds <torvalds@...ux-foundation.org> Subject: [patch 5/5] signalfd v4 - compat code ... This patch implement the necessary compat code for the signalfd system call. Signed-off-by: Davide Libenzi <davidel@...ilserver.org> - Davide Index: linux-2.6.20.ep2/fs/compat.c =================================================================== --- linux-2.6.20.ep2.orig/fs/compat.c 2007-03-08 12:43:36.000000000 -0800 +++ linux-2.6.20.ep2/fs/compat.c 2007-03-08 13:28:24.000000000 -0800 @@ -46,6 +46,7 @@ #include <linux/rwsem.h> #include <linux/tsacct_kern.h> #include <linux/highmem.h> +#include <linux/signal.h> #include <linux/poll.h> #include <linux/mm.h> @@ -2235,3 +2236,24 @@ return sys_ni_syscall(); } #endif + +asmlinkage long compat_sys_signalfd(int ufd, + const compat_sigset_t __user *sigmask, + compat_size_t sigsetsize) +{ + compat_sigset_t ss32; + sigset_t tmp; + sigset_t __user *ksigmask; + + if (sigsetsize != sizeof(compat_sigset_t)) + return -EINVAL; + if (copy_from_user(&ss32, sigmask, sizeof(ss32))) + return -EFAULT; + sigset_from_compat(&tmp, &ss32); + ksigmask = compat_alloc_user_space(sizeof(sigset_t)); + if (copy_to_user(ksigmask, &tmp, sizeof(sigset_t))) + return -EFAULT; + + return sys_signalfd(ufd, ksigmask, sizeof(sigset_t)); +} + - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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