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Subject[PATCH v2 1/6] signal: Pretty up the SIGNAL_GROUP_FLAGS

Renumber the flags that go in sig->flags giving different groups of
flags different hex digits.

This is needed so that future additions of flags can be adjacent.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---
include/linux/sched/signal.h | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h
index 0ee5e696c5d8..b4f36a11be5e 100644
--- a/include/linux/sched/signal.h
+++ b/include/linux/sched/signal.h
@@ -241,20 +241,22 @@ struct signal_struct {
*/
#define SIGNAL_STOP_STOPPED 0x00000001 /* job control stop in effect */
#define SIGNAL_STOP_CONTINUED 0x00000002 /* SIGCONT since WCONTINUED reap */
-#define SIGNAL_GROUP_EXIT 0x00000004 /* group exit in progress */
-#define SIGNAL_GROUP_COREDUMP 0x00000008 /* coredump in progress */
-/*
- * Pending notifications to parent.
- */
+
+/* Pending notifications to parent. */
#define SIGNAL_CLD_STOPPED 0x00000010
#define SIGNAL_CLD_CONTINUED 0x00000020
#define SIGNAL_CLD_MASK (SIGNAL_CLD_STOPPED|SIGNAL_CLD_CONTINUED)

-#define SIGNAL_UNKILLABLE 0x00000040 /* for init: ignore fatal signals */
-
#define SIGNAL_STOP_MASK (SIGNAL_CLD_MASK | SIGNAL_STOP_STOPPED | \
SIGNAL_STOP_CONTINUED)

+/* Signal group actions. */
+#define SIGNAL_GROUP_EXIT 0x00000100 /* group exit in progress */
+#define SIGNAL_GROUP_COREDUMP 0x00000200 /* coredump in progress */
+
+/* Flags applicable to the entire signal group. */
+#define SIGNAL_UNKILLABLE 0x00001000 /* for init: ignore fatal signals */
+
static inline void signal_set_stop_flags(struct signal_struct *sig,
unsigned int flags)
{
--
2.20.1
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