vserver 1.9.5.x5

[linux-2.6.git] / arch / sh / kernel / signal.c

diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c
index fc5ef99..22e1501 100644 (file)
--- a/arch/sh/kernel/signal.c
+++ b/arch/sh/kernel/signal.c
@@ -1,4 +1,4 @@
-/* $Id: signal.c,v 1.20 2004/01/13 05:52:11 kkojima Exp $
+/* $Id: signal.c,v 1.21 2004/06/28 13:18:44 doyu Exp $
  *
  *  linux/arch/sh/kernel/signal.c
  *
@@ -24,7 +24,6 @@
 #include <linux/tty.h>
 #include <linux/personality.h>
 #include <linux/binfmts.h>
-#include <linux/suspend.h>
 
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
@@ -155,7 +154,7 @@ struct rt_sigframe
        u16 retcode[8];
 };
 
-#ifdef CONFIG_CPU_SH4
+#ifdef CONFIG_SH_FPU
 static inline int restore_sigcontext_fpu(struct sigcontext __user *sc)
 {
        struct task_struct *tsk = current;
@@ -163,7 +162,7 @@ static inline int restore_sigcontext_fpu(struct sigcontext __user *sc)
        if (!(cpu_data->flags & CPU_HAS_FPU))
                return 0;
 
-       tsk->used_math = 1;
+       set_used_math();
        return __copy_from_user(&tsk->thread.fpu.hard, &sc->sc_fpregs[0],
                                sizeof(long)*(16*2+2));
 }
@@ -176,7 +175,7 @@ static inline int save_sigcontext_fpu(struct sigcontext __user *sc,
        if (!(cpu_data->flags & CPU_HAS_FPU))
                return 0;
 
-       if (!tsk->used_math) {
+       if (!used_math()) {
                __put_user(0, &sc->sc_ownedfp);
                return 0;
        }
@@ -186,13 +185,13 @@ static inline int save_sigcontext_fpu(struct sigcontext __user *sc,
        /* This will cause a "finit" to be triggered by the next
           attempted FPU operation by the 'current' process.
           */
-       tsk->used_math = 0;
+       clear_used_math();
 
        unlazy_fpu(tsk, regs);
        return __copy_to_user(&sc->sc_fpregs[0], &tsk->thread.fpu.hard,
                              sizeof(long)*(16*2+2));
 }
-#endif /* CONFIG_CPU_SH4 */
+#endif /* CONFIG_SH_FPU */
 
 static int
 restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p)
@@ -213,14 +212,14 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p
        COPY(sr);       COPY(pc);
 #undef COPY
 
-#ifdef CONFIG_CPU_SH4
+#ifdef CONFIG_SH_FPU
        if (cpu_data->flags & CPU_HAS_FPU) {
                int owned_fp;
                struct task_struct *tsk = current;
 
                regs->sr |= SR_FD; /* Release FPU */
                clear_fpu(tsk, regs);
-               tsk->used_math = 0;
+               clear_used_math();
                __get_user (owned_fp, &sc->sc_ownedfp);
                if (owned_fp)
                        err |= restore_sigcontext_fpu(sc);
@@ -326,7 +325,7 @@ setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
        COPY(sr);       COPY(pc);
 #undef COPY
 
-#ifdef CONFIG_CPU_SH4
+#ifdef CONFIG_SH_FPU
        err |= save_sigcontext_fpu(sc, regs);
 #endif
 
@@ -493,14 +492,12 @@ give_sigsegv:
 
 /*
  * OK, we're invoking a handler
- */    
+ */
 
 static void
-handle_signal(unsigned long sig, siginfo_t *info, sigset_t *oldset,
-       struct pt_regs * regs)
+handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
+             sigset_t *oldset, struct pt_regs *regs)
 {
-       struct k_sigaction *ka = &current->sighand->action[sig-1];
-
        /* Are we from a system call? */
        if (regs->tra >= 0) {
                /* If so, check system call restarting.. */
@@ -570,6 +567,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 {
        siginfo_t info;
        int signr;
+       struct k_sigaction ka;
 
        /*
         * We want the common case to go fast, which
@@ -580,18 +578,16 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
        if (!user_mode(regs))
                return 1;
 
-       if (current->flags & PF_FREEZE) {
-               refrigerator(0);
+       if (try_to_freeze(0))
                goto no_signal;
-       }
 
        if (!oldset)
                oldset = &current->blocked;
 
-       signr = get_signal_to_deliver(&info, regs, NULL);
+       signr = get_signal_to_deliver(&info, &ka, regs, NULL);
        if (signr > 0) {
                /* Whee!  Actually deliver the signal.  */
-               handle_signal(signr, &info, oldset, regs);
+               handle_signal(signr, &ka, &info, oldset, regs);
                return 1;
        }