Merge branch 'ptrace' of git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc

[sfrench/cifs-2.6.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 12211e1666e2510b6389c47db75110b6ec8232ac..885c4f242ad72cfb2a4ef6af06bbc1011255178a 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -653,9 +653,8 @@ struct signal_struct {
  * Bits in flags field of signal_struct.
  */
 #define SIGNAL_STOP_STOPPED    0x00000001 /* job control stop in effect */
-#define SIGNAL_STOP_DEQUEUED   0x00000002 /* stop signal dequeued */
-#define SIGNAL_STOP_CONTINUED  0x00000004 /* SIGCONT since WCONTINUED reap */
-#define SIGNAL_GROUP_EXIT      0x00000008 /* group exit in progress */
+#define SIGNAL_STOP_CONTINUED  0x00000002 /* SIGCONT since WCONTINUED reap */
+#define SIGNAL_GROUP_EXIT      0x00000004 /* group exit in progress */
 /*
  * Pending notifications to parent.
  */
@@ -1251,6 +1250,7 @@ struct task_struct {
        int exit_state;
        int exit_code, exit_signal;
        int pdeath_signal;  /*  The signal sent when the parent dies  */
+       unsigned int group_stop;        /* GROUP_STOP_*, siglock protected */
        /* ??? */
        unsigned int personality;
        unsigned did_exec:1;
@@ -1771,6 +1771,17 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *
 #define tsk_used_math(p) ((p)->flags & PF_USED_MATH)
 #define used_math() tsk_used_math(current)
 
+/*
+ * task->group_stop flags
+ */
+#define GROUP_STOP_SIGMASK     0xffff    /* signr of the last group stop */
+#define GROUP_STOP_PENDING     (1 << 16) /* task should stop for group stop */
+#define GROUP_STOP_CONSUME     (1 << 17) /* consume group stop count */
+#define GROUP_STOP_TRAPPING    (1 << 18) /* switching from STOPPED to TRACED */
+#define GROUP_STOP_DEQUEUED    (1 << 19) /* stop signal dequeued */
+
+extern void task_clear_group_stop_pending(struct task_struct *task);
+
 #ifdef CONFIG_PREEMPT_RCU
 
 #define RCU_READ_UNLOCK_BLOCKED (1 << 0) /* blocked while in RCU read-side. */