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authorHirokazu Takata <takata@linux-m32r.org>2007-09-12 17:51:35 +0900
committerHirokazu Takata <takata@linux-m32r.org>2007-11-28 01:24:04 +0900
commitc37a33035720a0faf1f609dc7c2c07080ed83629 (patch)
treea8a97b94f548f18f3bcbed6458c87cdf57e19ef0
parent52fda4870e74b43fa5ef5171cc89ac40e5b53ed1 (diff)
downloadlinux-c37a33035720a0faf1f609dc7c2c07080ed83629.tar.gz
m32r: Update sys_rt_sigsuspend
Update sys_rt_sigsuspend() of arch/m32r/signal.c. This modification is derived from generic one of kernel/signal.c. Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
-rw-r--r--arch/m32r/kernel/signal.c17
-rw-r--r--include/asm-m32r/thread_info.h11
2 files changed, 15 insertions, 13 deletions
diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c
index a753d79c4e89..18124542a6eb 100644
--- a/arch/m32r/kernel/signal.c
+++ b/arch/m32r/kernel/signal.c
@@ -36,7 +36,7 @@ sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize,
unsigned long r2, unsigned long r3, unsigned long r4,
unsigned long r5, unsigned long r6, struct pt_regs *regs)
{
- sigset_t saveset, newset;
+ sigset_t newset;
/* XXX: Don't preclude handling different sized sigset_t's. */
if (sigsetsize != sizeof(sigset_t))
@@ -44,21 +44,18 @@ sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize,
if (copy_from_user(&newset, unewset, sizeof(newset)))
return -EFAULT;
- sigdelsetmask(&newset, ~_BLOCKABLE);
+ sigdelsetmask(&newset, sigmask(SIGKILL)|sigmask(SIGSTOP));
spin_lock_irq(&current->sighand->siglock);
- saveset = current->blocked;
+ current->saved_sigmask = current->blocked;
current->blocked = newset;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
- regs->r0 = -EINTR;
- while (1) {
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- if (do_signal(regs, &saveset))
- return regs->r0;
- }
+ current->state = TASK_INTERRUPTIBLE;
+ schedule();
+ set_thread_flag(TIF_RESTORE_SIGMASK);
+ return -ERESTARTNOHAND;
}
asmlinkage int
diff --git a/include/asm-m32r/thread_info.h b/include/asm-m32r/thread_info.h
index c039820dba7c..1effcd0f5e63 100644
--- a/include/asm-m32r/thread_info.h
+++ b/include/asm-m32r/thread_info.h
@@ -149,16 +149,21 @@ static inline unsigned int get_thread_fault_code(void)
#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
#define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */
#define TIF_IRET 4 /* return with iret */
-#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */
- /* 31..28 fault code */
-#define TIF_MEMDIE 17
+#define TIF_RESTORE_SIGMASK 8 /* restore signal mask in do_signal() */
+#define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */
+#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */
+#define TIF_MEMDIE 18 /* OOM killer killed process */
+#define TIF_FREEZE 19 /* is freezing for suspend */
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP)
#define _TIF_IRET (1<<TIF_IRET)
+#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
+#define _TIF_USEDFPU (1<<TIF_USEDFPU)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
+#define _TIF_FREEZE (1<<TIF_FREEZE)
#define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */
#define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */