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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-03-08 16:30:55 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-03-08 16:30:55 -0700
commitd15c22e78674f9a5bc0de0932a43abe1aafae303 (patch)
tree3e4198c44bd2d9184e91647346c66aa95e28f843 /arch/m68k/kernel/signal.c
parent0f4954819fb6f840d46076f0dbd313ef5da48f5d (diff)
parentfec6c6fec3e20637bee5d276fb61dd8b49a3f9cc (diff)
downloadtalos-obmc-linux-d15c22e78674f9a5bc0de0932a43abe1aafae303.tar.gz
talos-obmc-linux-d15c22e78674f9a5bc0de0932a43abe1aafae303.zip
Merge commit 'v2.6.29-rc7' into next
Diffstat (limited to 'arch/m68k/kernel/signal.c')
-rw-r--r--arch/m68k/kernel/signal.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c
index f9af893cd289..de2d05ddd86d 100644
--- a/arch/m68k/kernel/signal.c
+++ b/arch/m68k/kernel/signal.c
@@ -326,6 +326,9 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *usc, void __u
struct sigcontext context;
int err;
+ /* Always make any pending restarted system calls return -EINTR */
+ current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
/* get previous context */
if (copy_from_user(&context, usc, sizeof(context)))
goto badframe;
@@ -411,6 +414,9 @@ rt_restore_ucontext(struct pt_regs *regs, struct switch_stack *sw,
unsigned long usp;
int err;
+ /* Always make any pending restarted system calls return -EINTR */
+ current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
err = __get_user(temp, &uc->uc_mcontext.version);
if (temp != MCONTEXT_VERSION)
goto badframe;
@@ -937,6 +943,15 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler)
regs->d0 = -EINTR;
break;
+ case -ERESTART_RESTARTBLOCK:
+ if (!has_handler) {
+ regs->d0 = __NR_restart_syscall;
+ regs->pc -= 2;
+ break;
+ }
+ regs->d0 = -EINTR;
+ break;
+
case -ERESTARTSYS:
if (has_handler && !(ka->sa.sa_flags & SA_RESTART)) {
regs->d0 = -EINTR;
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