diff options
| author | Kumar Gala <galak@kernel.crashing.org> | 2006-02-28 11:25:22 -0600 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2006-02-28 11:25:22 -0600 |
| commit | 9585da3729e7e27bf22818625c10ac6c64ebb609 (patch) | |
| tree | 8c8d46f7f2cc933fdf75a6a75cf593a63f7b8717 /arch/mips/kernel/signal_n32.c | |
| parent | 8080d5497146d5d27d9e8e78229d1adc7fe280cf (diff) | |
| parent | 6749c5507388f3fc3719f57a54b540ee83f6661a (diff) | |
Merge branch 'master' of git+ssh://galak@master.kernel.org/pub/scm/linux/kernel/git/galak/powerpc
Diffstat (limited to 'arch/mips/kernel/signal_n32.c')
| -rw-r--r-- | arch/mips/kernel/signal_n32.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c index 384fc4a639a..3e168c08a3a 100644 --- a/arch/mips/kernel/signal_n32.c +++ b/arch/mips/kernel/signal_n32.c @@ -81,6 +81,39 @@ struct rt_sigframe_n32 { #endif }; +extern void sigset_from_compat (sigset_t *set, compat_sigset_t *compat); + +save_static_function(sysn32_rt_sigsuspend); +__attribute_used__ noinline static int +_sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) +{ + compat_sigset_t __user *unewset, uset; + size_t sigsetsize; + sigset_t newset; + + /* XXX Don't preclude handling different sized sigset_t's. */ + sigsetsize = regs.regs[5]; + if (sigsetsize != sizeof(sigset_t)) + return -EINVAL; + + unewset = (compat_sigset_t __user *) regs.regs[4]; + if (copy_from_user(&uset, unewset, sizeof(uset))) + return -EFAULT; + sigset_from_compat (&newset, &uset); + sigdelsetmask(&newset, ~_BLOCKABLE); + + spin_lock_irq(¤t->sighand->siglock); + current->saved_sigmask = current->blocked; + current->blocked = newset; + recalc_sigpending(); + spin_unlock_irq(¤t->sighand->siglock); + + current->state = TASK_INTERRUPTIBLE; + schedule(); + set_thread_flag(TIF_RESTORE_SIGMASK); + return -ERESTARTNOHAND; +} + save_static_function(sysn32_rt_sigreturn); __attribute_used__ noinline static void _sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) @@ -108,7 +141,7 @@ _sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) /* The ucontext contains a stack32_t, so we must convert! */ if (__get_user(sp, &frame->rs_uc.uc_stack.ss_sp)) goto badframe; - st.ss_size = (long) sp; + st.ss_sp = (void *)(long) sp; if (__get_user(st.ss_size, &frame->rs_uc.uc_stack.ss_size)) goto badframe; if (__get_user(st.ss_flags, &frame->rs_uc.uc_stack.ss_flags)) |