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author | Alexey Dobriyan <adobriyan@openvz.org> | 2007-01-23 19:03:17 +0300 |
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committer | Tony Luck <tony.luck@intel.com> | 2007-05-08 14:51:59 -0700 |
commit | 4a177cbf84f827cf9f1d6cfa5264fafd3cc33ce0 (patch) | |
tree | ef04ada4e2b708ee965081cd905026c9156863d3 /arch/ia64/ia32/ia32_signal.c | |
parent | 690def21414fa43fac1b8053fd952c0366c476de (diff) | |
download | kernel_samsung_smdk4412-4a177cbf84f827cf9f1d6cfa5264fafd3cc33ce0.zip kernel_samsung_smdk4412-4a177cbf84f827cf9f1d6cfa5264fafd3cc33ce0.tar.gz kernel_samsung_smdk4412-4a177cbf84f827cf9f1d6cfa5264fafd3cc33ce0.tar.bz2 |
[IA64] Add TIF_RESTORE_SIGMASK
Preparation for pselect and ppoll.
ia32 compat code not tested. :-(
Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/ia32/ia32_signal.c')
-rw-r--r-- | arch/ia64/ia32/ia32_signal.c | 59 |
1 files changed, 10 insertions, 49 deletions
diff --git a/arch/ia64/ia32/ia32_signal.c b/arch/ia64/ia32/ia32_signal.c index 7b38b73..b2bb7f2 100644 --- a/arch/ia64/ia32/ia32_signal.c +++ b/arch/ia64/ia32/ia32_signal.c @@ -452,59 +452,20 @@ sigact_set_handler (struct k_sigaction *sa, unsigned int handler, unsigned int r sa->sa.sa_handler = (__sighandler_t) (((unsigned long) restorer << 32) | handler); } -long -__ia32_rt_sigsuspend (compat_sigset_t *sset, unsigned int sigsetsize, struct sigscratch *scr) +asmlinkage long +sys32_sigsuspend (int history0, int history1, old_sigset_t mask) { - extern long ia64_do_signal (sigset_t *oldset, struct sigscratch *scr, long in_syscall); - sigset_t oldset, set; - - scr->scratch_unat = 0; /* avoid leaking kernel bits to user level */ - memset(&set, 0, sizeof(set)); - - memcpy(&set.sig, &sset->sig, sigsetsize); - - sigdelsetmask(&set, ~_BLOCKABLE); - + mask &= _BLOCKABLE; spin_lock_irq(¤t->sighand->siglock); - { - oldset = current->blocked; - current->blocked = set; - recalc_sigpending(); - } + current->saved_sigmask = current->blocked; + siginitset(¤t->blocked, mask); + recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - /* - * The return below usually returns to the signal handler. We need to pre-set the - * correct error code here to ensure that the right values get saved in sigcontext - * by ia64_do_signal. - */ - scr->pt.r8 = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (ia64_do_signal(&oldset, scr, 1)) - return -EINTR; - } -} - -asmlinkage long -ia32_rt_sigsuspend (compat_sigset_t __user *uset, unsigned int sigsetsize, struct sigscratch *scr) -{ - compat_sigset_t set; - - if (sigsetsize > sizeof(compat_sigset_t)) - return -EINVAL; - - if (copy_from_user(&set.sig, &uset->sig, sigsetsize)) - return -EFAULT; - - return __ia32_rt_sigsuspend(&set, sigsetsize, scr); -} - -asmlinkage long -ia32_sigsuspend (unsigned int mask, struct sigscratch *scr) -{ - return __ia32_rt_sigsuspend((compat_sigset_t *) &mask, sizeof(mask), scr); + current->state = TASK_INTERRUPTIBLE; + schedule(); + set_thread_flag(TIF_RESTORE_SIGMASK); + return -ERESTARTNOHAND; } asmlinkage long |