From: Jeff Dike <jdike@addtoit.com>
To: akpm@osdl.org
Cc: linux-kernel@vger.kernel.org,
user-mode-linux-devel@lists.sourceforge.net,
Miklos Szeredi <miklos@szeredi.hu>,
dwmw2@infradead.org, David Howells <dhowells@redhat.com>,
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>,
Linus Torvalds <torvalds@osdl.org>
Subject: [uml-devel] [PATCH 2/3] UML - Use generic sys_rt_sigsuspend
Date: Sun, 15 Jan 2006 01:33:36 -0500 [thread overview]
Message-ID: <200601150633.k0F6Xa4u015465@ccure.user-mode-linux.org> (raw)
Use the generic sys_rt_sigsuspend.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Index: linux-2.6.15-mm/arch/um/kernel/signal_kern.c
===================================================================
--- linux-2.6.15-mm.orig/arch/um/kernel/signal_kern.c 2006-01-14 19:06:20.000000000 -0500
+++ linux-2.6.15-mm/arch/um/kernel/signal_kern.c 2006-01-14 19:07:05.000000000 -0500
@@ -185,30 +185,6 @@ long sys_sigsuspend(int history0, int hi
return -ERESTARTNOHAND;
}
-long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize)
-{
- sigset_t newset;
-
- /* XXX: Don't preclude handling different sized sigset_t's. */
- if (sigsetsize != sizeof(sigset_t))
- return -EINVAL;
-
- if (copy_from_user(&newset, unewset, sizeof(newset)))
- return -EFAULT;
- sigdelsetmask(&newset, ~_BLOCKABLE);
-
- spin_lock_irq(¤t->sighand->siglock);
- current->saved_sigmask = current->blocked;
- current->blocked = newset;
- recalc_sigpending();
- spin_unlock_irq(¤t->sighand->siglock);
-
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- set_thread_flag(TIF_RESTORE_SIGMASK);
- return -ERESTARTNOHAND;
-}
-
long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss)
{
return(do_sigaltstack(uss, uoss, PT_REGS_SP(¤t->thread.regs)));
Index: linux-2.6.15-mm/include/asm-um/unistd.h
===================================================================
--- linux-2.6.15-mm.orig/include/asm-um/unistd.h 2006-01-14 18:50:04.000000000 -0500
+++ linux-2.6.15-mm/include/asm-um/unistd.h 2006-01-14 19:06:46.000000000 -0500
@@ -34,6 +34,7 @@ extern int um_execve(const char *file, c
#define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK
#define __ARCH_WANT_SYS_RT_SIGACTION
+#define __ARCH_WANT_SYS_RT_SIGSUSPEND
#endif
#ifdef __KERNEL_SYSCALLS__
-------------------------------------------------------
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