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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>
This commit is contained in:
Hirokazu Takata 2007-09-12 17:51:35 +09:00
parent 52fda4870e
commit c37a330357
2 changed files with 15 additions and 13 deletions
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17
arch/m32r/kernel/signal.c
View File

@ -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 r2, unsigned long r3, unsigned long r4,
unsigned long r5, unsigned long r6, struct pt_regs *regs) 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. */ /* XXX: Don't preclude handling different sized sigset_t's. */
if (sigsetsize != sizeof(sigset_t)) 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))) if (copy_from_user(&newset, unewset, sizeof(newset)))
return -EFAULT; return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE); sigdelsetmask(&newset, sigmask(SIGKILL)|sigmask(SIGSTOP));
spin_lock_irq(&current->sighand->siglock); spin_lock_irq(&current->sighand->siglock);
saveset = current->blocked; current->saved_sigmask = current->blocked;
current->blocked = newset; current->blocked = newset;
recalc_sigpending(); recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock); spin_unlock_irq(&current->sighand->siglock);
regs->r0 = -EINTR; current->state = TASK_INTERRUPTIBLE;
while (1) { schedule();
current->state = TASK_INTERRUPTIBLE; set_thread_flag(TIF_RESTORE_SIGMASK);
schedule(); return -ERESTARTNOHAND;
if (do_signal(regs, &saveset))
return regs->r0;
}
} }
asmlinkage int asmlinkage int

11
include/asm-m32r/thread_info.h
View File

@ -149,16 +149,21 @@ static inline unsigned int get_thread_fault_code(void)
#define TIF_NEED_RESCHED 2 /* rescheduling necessary */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */
#define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */ #define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */
#define TIF_IRET 4 /* return with iret */ #define TIF_IRET 4 /* return with iret */
#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_RESTORE_SIGMASK 8 /* restore signal mask in do_signal() */
/* 31..28 fault code */ #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */
#define TIF_MEMDIE 17 #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_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP)
#define _TIF_IRET (1<<TIF_IRET) #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_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_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */
#define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ #define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */