]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/sh/kernel/signal_32.c
Merge commit 'origin'
[linux-2.6-omap-h63xx.git] / arch / sh / kernel / signal_32.c
index 4bbbde895a5353c41e7ecacd6cf019545c8e8202..51689d29ad45d331aa7c42b9ca4c301afafabdb6 100644 (file)
@@ -24,6 +24,7 @@
 #include <linux/binfmts.h>
 #include <linux/freezer.h>
 #include <linux/io.h>
+#include <linux/tracehook.h>
 #include <asm/system.h>
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
@@ -507,14 +508,13 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
                switch (regs->regs[0]) {
                        case -ERESTART_RESTARTBLOCK:
                        case -ERESTARTNOHAND:
+                       no_system_call_restart:
                                regs->regs[0] = -EINTR;
                                break;
 
                        case -ERESTARTSYS:
-                               if (!(ka->sa.sa_flags & SA_RESTART)) {
-                                       regs->regs[0] = -EINTR;
-                                       break;
-                               }
+                               if (!(ka->sa.sa_flags & SA_RESTART))
+                                       goto no_system_call_restart;
                        /* fallthrough */
                        case -ERESTARTNOINTR:
                                regs->regs[0] = save_r0;
@@ -589,12 +589,15 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0)
                         * clear the TIF_RESTORE_SIGMASK flag */
                        if (test_thread_flag(TIF_RESTORE_SIGMASK))
                                clear_thread_flag(TIF_RESTORE_SIGMASK);
+
+                       tracehook_signal_handler(signr, &info, &ka, regs,
+                                       test_thread_flag(TIF_SINGLESTEP));
                }
 
                return;
        }
 
- no_signal:
+no_signal:
        /* Did we come from a system call? */
        if (regs->tra >= 0) {
                /* Restart the system call - no handlers present */
@@ -618,9 +621,14 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0)
 }
 
 asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned int save_r0,
-                                __u32 thread_info_flags)
+                                unsigned long thread_info_flags)
 {
        /* deal with pending signal delivery */
-       if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
+       if (thread_info_flags & _TIF_SIGPENDING)
                do_signal(regs, save_r0);
+
+       if (thread_info_flags & _TIF_NOTIFY_RESUME) {
+               clear_thread_flag(TIF_NOTIFY_RESUME);
+               tracehook_notify_resume(regs);
+       }
 }