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| author | Hirokazu Takata <takata@linux-m32r.org> | 2007-09-12 17:51:35 +0900 |
|---|---|---|
| committer | Hirokazu Takata <takata@linux-m32r.org> | 2007-11-28 01:24:04 +0900 |
| commit | c37a33035720a0faf1f609dc7c2c07080ed83629 (patch) | |
| tree | a8a97b94f548f18f3bcbed6458c87cdf57e19ef0 | |
| parent | 52fda4870e74b43fa5ef5171cc89ac40e5b53ed1 (diff) | |
| download | linux-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.c | 17 | ||||
| -rw-r--r-- | include/asm-m32r/thread_info.h | 11 |
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(¤t->sighand->siglock); - saveset = current->blocked; + current->saved_sigmask = current->blocked; current->blocked = newset; recalc_sigpending(); spin_unlock_irq(¤t->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 */ |