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Message-Id: <1313094241-3674-2-git-send-email-daniel.lezcano@free.fr>
Date: Thu, 11 Aug 2011 22:24:00 +0200
From: Daniel Lezcano <daniel.lezcano@...e.fr>
To: akpm@...ux-foundation.org
Cc: oleg@...sign.ru, bonbons@...ux-vserver.org,
containers@...ts.linux-foundation.org,
linux-kernel@...r.kernel.org, serge@...lyn.com
Subject: [PATCH 1/2] add SA_CLDREBOOT flag
Add the SA_CLDREBOOT flag to enable the CLD_REBOOT on SIGCHLD
when a process of a child pid namespace calls the reboot syscall.
Signed-off-by: Daniel Lezcano <daniel.lezcano@...e.fr>
---
arch/alpha/include/asm/signal.h | 2 ++
arch/arm/include/asm/signal.h | 2 ++
arch/avr32/include/asm/signal.h | 2 ++
arch/cris/include/asm/signal.h | 2 ++
arch/h8300/include/asm/signal.h | 2 ++
arch/ia64/include/asm/signal.h | 2 ++
arch/m32r/include/asm/signal.h | 2 ++
arch/m68k/include/asm/signal.h | 2 ++
arch/mips/include/asm/signal.h | 2 ++
arch/mn10300/include/asm/signal.h | 2 ++
arch/parisc/include/asm/signal.h | 2 ++
arch/powerpc/include/asm/signal.h | 2 ++
arch/s390/include/asm/signal.h | 2 ++
arch/sparc/include/asm/signal.h | 2 +-
arch/x86/include/asm/signal.h | 2 ++
arch/xtensa/include/asm/signal.h | 2 ++
include/asm-generic/signal.h | 2 ++
17 files changed, 33 insertions(+), 1 deletions(-)
diff --git a/arch/alpha/include/asm/signal.h b/arch/alpha/include/asm/signal.h
index a938830..40a2285 100644
--- a/arch/alpha/include/asm/signal.h
+++ b/arch/alpha/include/asm/signal.h
@@ -82,6 +82,7 @@ typedef unsigned long sigset_t;
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
*
* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
* Unix names RESETHAND and NODEFER respectively.
@@ -94,6 +95,7 @@ typedef unsigned long sigset_t;
#define SA_RESETHAND 0x00000010
#define SA_NOCLDWAIT 0x00000020
#define SA_SIGINFO 0x00000040
+#define SA_CLDREBOOT 0x00000080
#define SA_ONESHOT SA_RESETHAND
#define SA_NOMASK SA_NODEFER
diff --git a/arch/arm/include/asm/signal.h b/arch/arm/include/asm/signal.h
index 43ba0fb..2b585ec 100644
--- a/arch/arm/include/asm/signal.h
+++ b/arch/arm/include/asm/signal.h
@@ -78,6 +78,7 @@ typedef unsigned long sigset_t;
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_SIGINFO deliver the signal with SIGINFO structs
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
* SA_THIRTYTWO delivers the signal in 32-bit mode, even if the task
* is running in 26-bit.
* SA_ONSTACK allows alternate signal stacks (see sigaltstack(2)).
@@ -91,6 +92,7 @@ typedef unsigned long sigset_t;
#define SA_NOCLDSTOP 0x00000001
#define SA_NOCLDWAIT 0x00000002
#define SA_SIGINFO 0x00000004
+#define SA_CLDREBOOT 0x00000008
#define SA_THIRTYTWO 0x02000000
#define SA_RESTORER 0x04000000
#define SA_ONSTACK 0x08000000
diff --git a/arch/avr32/include/asm/signal.h b/arch/avr32/include/asm/signal.h
index 8790dfc..a025546 100644
--- a/arch/avr32/include/asm/signal.h
+++ b/arch/avr32/include/asm/signal.h
@@ -83,6 +83,7 @@ typedef unsigned long sigset_t;
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_SIGINFO deliver the signal with SIGINFO structs
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
* SA_ONSTACK indicates that a registered stack_t will be used.
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NODEFER prevents the current signal from being masked in the handler.
@@ -94,6 +95,7 @@ typedef unsigned long sigset_t;
#define SA_NOCLDSTOP 0x00000001
#define SA_NOCLDWAIT 0x00000002
#define SA_SIGINFO 0x00000004
+#define SA_CLDREBOOT 0x00000008
#define SA_RESTORER 0x04000000
#define SA_ONSTACK 0x08000000
#define SA_RESTART 0x10000000
diff --git a/arch/cris/include/asm/signal.h b/arch/cris/include/asm/signal.h
index ea6af9a..fa804f0 100644
--- a/arch/cris/include/asm/signal.h
+++ b/arch/cris/include/asm/signal.h
@@ -76,6 +76,7 @@ typedef unsigned long sigset_t;
* SA_ONSTACK indicates that a registered stack_t will be used.
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
@@ -87,6 +88,7 @@ typedef unsigned long sigset_t;
#define SA_NOCLDSTOP 0x00000001u
#define SA_NOCLDWAIT 0x00000002u
#define SA_SIGINFO 0x00000004u
+#define SA_CLDREBOOT 0x00000008u
#define SA_ONSTACK 0x08000000u
#define SA_RESTART 0x10000000u
#define SA_NODEFER 0x40000000u
diff --git a/arch/h8300/include/asm/signal.h b/arch/h8300/include/asm/signal.h
index fd8b66e..13b4b5a 100644
--- a/arch/h8300/include/asm/signal.h
+++ b/arch/h8300/include/asm/signal.h
@@ -76,6 +76,7 @@ typedef unsigned long sigset_t;
* SA_ONSTACK indicates that a registered stack_t will be used.
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
@@ -86,6 +87,7 @@ typedef unsigned long sigset_t;
#define SA_NOCLDSTOP 0x00000001
#define SA_NOCLDWAIT 0x00000002 /* not supported yet */
#define SA_SIGINFO 0x00000004
+#define SA_CLDREBOOT 0x00000008
#define SA_ONSTACK 0x08000000
#define SA_RESTART 0x10000000
#define SA_NODEFER 0x40000000
diff --git a/arch/ia64/include/asm/signal.h b/arch/ia64/include/asm/signal.h
index b166248..30245a1 100644
--- a/arch/ia64/include/asm/signal.h
+++ b/arch/ia64/include/asm/signal.h
@@ -58,6 +58,7 @@
* SA_ONSTACK indicates that a registered stack_t will be used.
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
@@ -68,6 +69,7 @@
#define SA_NOCLDSTOP 0x00000001
#define SA_NOCLDWAIT 0x00000002
#define SA_SIGINFO 0x00000004
+#define SA_CLDREBOOT 0x00000008
#define SA_ONSTACK 0x08000000
#define SA_RESTART 0x10000000
#define SA_NODEFER 0x40000000
diff --git a/arch/m32r/include/asm/signal.h b/arch/m32r/include/asm/signal.h
index b2eeb0d..c547212 100644
--- a/arch/m32r/include/asm/signal.h
+++ b/arch/m32r/include/asm/signal.h
@@ -78,6 +78,7 @@ typedef unsigned long sigset_t;
* SA_ONSTACK indicates that a registered stack_t will be used.
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
@@ -88,6 +89,7 @@ typedef unsigned long sigset_t;
#define SA_NOCLDSTOP 0x00000001u
#define SA_NOCLDWAIT 0x00000002u
#define SA_SIGINFO 0x00000004u
+#define SA_CLDREBOOT 0x00000008u
#define SA_ONSTACK 0x08000000u
#define SA_RESTART 0x10000000u
#define SA_NODEFER 0x40000000u
diff --git a/arch/m68k/include/asm/signal.h b/arch/m68k/include/asm/signal.h
index 60e8866..14334b2 100644
--- a/arch/m68k/include/asm/signal.h
+++ b/arch/m68k/include/asm/signal.h
@@ -76,6 +76,7 @@ typedef unsigned long sigset_t;
* SA_ONSTACK indicates that a registered stack_t will be used.
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
@@ -86,6 +87,7 @@ typedef unsigned long sigset_t;
#define SA_NOCLDSTOP 0x00000001
#define SA_NOCLDWAIT 0x00000002
#define SA_SIGINFO 0x00000004
+#define SA_CLDREBOOT 0x00000008
#define SA_ONSTACK 0x08000000
#define SA_RESTART 0x10000000
#define SA_NODEFER 0x40000000
diff --git a/arch/mips/include/asm/signal.h b/arch/mips/include/asm/signal.h
index c783f36..acf7494 100644
--- a/arch/mips/include/asm/signal.h
+++ b/arch/mips/include/asm/signal.h
@@ -66,6 +66,7 @@ typedef unsigned long old_sigset_t; /* at least 32 bits */
* SA_ONSTACK indicates that a registered stack_t will be used.
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
@@ -80,6 +81,7 @@ typedef unsigned long old_sigset_t; /* at least 32 bits */
#define SA_NODEFER 0x40000000
#define SA_NOCLDWAIT 0x00010000
#define SA_NOCLDSTOP 0x00000001
+#define SA_CLDREBOOT 0x00000002
#define SA_NOMASK SA_NODEFER
#define SA_ONESHOT SA_RESETHAND
diff --git a/arch/mn10300/include/asm/signal.h b/arch/mn10300/include/asm/signal.h
index 1865d72..ad1f454 100644
--- a/arch/mn10300/include/asm/signal.h
+++ b/arch/mn10300/include/asm/signal.h
@@ -86,6 +86,7 @@ typedef unsigned long sigset_t;
* SA_ONSTACK indicates that a registered stack_t will be used.
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
@@ -96,6 +97,7 @@ typedef unsigned long sigset_t;
#define SA_NOCLDSTOP 0x00000001U
#define SA_NOCLDWAIT 0x00000002U
#define SA_SIGINFO 0x00000004U
+#define SA_CLDREBOOT 0x00000008U
#define SA_ONSTACK 0x08000000U
#define SA_RESTART 0x10000000U
#define SA_NODEFER 0x40000000U
diff --git a/arch/parisc/include/asm/signal.h b/arch/parisc/include/asm/signal.h
index c203563..85c2fec 100644
--- a/arch/parisc/include/asm/signal.h
+++ b/arch/parisc/include/asm/signal.h
@@ -50,6 +50,7 @@
* SA_ONSTACK indicates that a registered stack_t will be used.
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
@@ -58,6 +59,7 @@
* Unix names RESETHAND and NODEFER respectively.
*/
#define SA_ONSTACK 0x00000001
+#define SA_CLDREBOOT 0x00000002
#define SA_RESETHAND 0x00000004
#define SA_NOCLDSTOP 0x00000008
#define SA_SIGINFO 0x00000010
diff --git a/arch/powerpc/include/asm/signal.h b/arch/powerpc/include/asm/signal.h
index 3eb13be..f96e2d5 100644
--- a/arch/powerpc/include/asm/signal.h
+++ b/arch/powerpc/include/asm/signal.h
@@ -65,6 +65,7 @@ typedef struct {
* SA_ONSTACK is not currently supported, but will allow sigaltstack(2).
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
@@ -75,6 +76,7 @@ typedef struct {
#define SA_NOCLDSTOP 0x00000001U
#define SA_NOCLDWAIT 0x00000002U
#define SA_SIGINFO 0x00000004U
+#define SA_CLDREBOOT 0x00000008U
#define SA_ONSTACK 0x08000000U
#define SA_RESTART 0x10000000U
#define SA_NODEFER 0x40000000U
diff --git a/arch/s390/include/asm/signal.h b/arch/s390/include/asm/signal.h
index cdf5cb2..449a2dc 100644
--- a/arch/s390/include/asm/signal.h
+++ b/arch/s390/include/asm/signal.h
@@ -86,6 +86,7 @@ typedef unsigned long sigset_t;
* SA_ONSTACK indicates that a registered stack_t will be used.
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
@@ -96,6 +97,7 @@ typedef unsigned long sigset_t;
#define SA_NOCLDSTOP 0x00000001
#define SA_NOCLDWAIT 0x00000002
#define SA_SIGINFO 0x00000004
+#define SA_CLDREBOOT 0x00000008
#define SA_ONSTACK 0x08000000
#define SA_RESTART 0x10000000
#define SA_NODEFER 0x40000000
diff --git a/arch/sparc/include/asm/signal.h b/arch/sparc/include/asm/signal.h
index e49b828..26cbd7e 100644
--- a/arch/sparc/include/asm/signal.h
+++ b/arch/sparc/include/asm/signal.h
@@ -146,7 +146,7 @@ struct sigstack {
#define SA_NOMASK 0x20u
#define SA_NOCLDWAIT 0x100u
#define SA_SIGINFO 0x200u
-
+#define SA_CLDREBOOT 0x400u
#define SIG_BLOCK 0x01 /* for blocking signals */
#define SIG_UNBLOCK 0x02 /* for unblocking signals */
diff --git a/arch/x86/include/asm/signal.h b/arch/x86/include/asm/signal.h
index 598457c..83696a5 100644
--- a/arch/x86/include/asm/signal.h
+++ b/arch/x86/include/asm/signal.h
@@ -90,6 +90,7 @@ typedef unsigned long sigset_t;
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
* SA_NODEFER prevents the current signal from being masked in the handler.
*
* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
@@ -98,6 +99,7 @@ typedef unsigned long sigset_t;
#define SA_NOCLDSTOP 0x00000001u
#define SA_NOCLDWAIT 0x00000002u
#define SA_SIGINFO 0x00000004u
+#define SA_CLDREBOOT 0x00000008u
#define SA_ONSTACK 0x08000000u
#define SA_RESTART 0x10000000u
#define SA_NODEFER 0x40000000u
diff --git a/arch/xtensa/include/asm/signal.h b/arch/xtensa/include/asm/signal.h
index 633ba73..5961f12 100644
--- a/arch/xtensa/include/asm/signal.h
+++ b/arch/xtensa/include/asm/signal.h
@@ -77,6 +77,7 @@ typedef struct {
* SA_ONSTACK indicates that a registered stack_t will be used.
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_CLDREBOOT flag to turn on SIGCHLD when pid namespace calls reboot
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
@@ -87,6 +88,7 @@ typedef struct {
#define SA_NOCLDSTOP 0x00000001
#define SA_NOCLDWAIT 0x00000002 /* not supported yet */
#define SA_SIGINFO 0x00000004
+#define SA_CLDREBOOT 0x00000008
#define SA_ONSTACK 0x08000000
#define SA_RESTART 0x10000000
#define SA_NODEFER 0x40000000
diff --git a/include/asm-generic/signal.h b/include/asm-generic/signal.h
index 555c0ae..504f910 100644
--- a/include/asm-generic/signal.h
+++ b/include/asm-generic/signal.h
@@ -57,6 +57,7 @@
* SA_ONSTACK indicates that a registered stack_t will be used.
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_REBOOT flag to turn on SIGCHLD when pid namespace reboots
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
@@ -67,6 +68,7 @@
#define SA_NOCLDSTOP 0x00000001
#define SA_NOCLDWAIT 0x00000002
#define SA_SIGINFO 0x00000004
+#define SA_CLDREBOOT 0x00000004
#define SA_ONSTACK 0x08000000
#define SA_RESTART 0x10000000
#define SA_NODEFER 0x40000000
--
1.7.4.1
--
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