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Message-Id: <1486387772-18837-61-git-send-email-mingo@kernel.org>
Date: Mon, 6 Feb 2017 14:29:03 +0100
From: Ingo Molnar <mingo@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Mike Galbraith <efault@....de>,
Oleg Nesterov <oleg@...hat.com>,
Peter Zijlstra <peterz@...radead.org>,
Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 60/89] signals: Split out <linux/signal_types.h> from <linux/signal.h>
Separate out just the pure data types - sched.h will be able to use
this reduced size header.
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Mike Galbraith <efault@....de>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
arch/mips/include/asm/abi.h | 2 ++
include/linux/signal.h | 57 +------------------------------------------------------
include/linux/signal_types.h | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 69 insertions(+), 56 deletions(-)
diff --git a/arch/mips/include/asm/abi.h b/arch/mips/include/asm/abi.h
index 940760844e2f..dba7f4b6bebf 100644
--- a/arch/mips/include/asm/abi.h
+++ b/arch/mips/include/asm/abi.h
@@ -9,6 +9,8 @@
#ifndef _ASM_ABI_H
#define _ASM_ABI_H
+#include <linux/signal_types.h>
+
#include <asm/signal.h>
#include <asm/siginfo.h>
#include <asm/vdso.h>
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 5308304993be..94ad6eea9550 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -1,32 +1,13 @@
#ifndef _LINUX_SIGNAL_H
#define _LINUX_SIGNAL_H
-#include <linux/list.h>
#include <linux/bug.h>
-#include <uapi/linux/signal.h>
+#include <linux/signal_types.h>
struct task_struct;
/* for sysctl */
extern int print_fatal_signals;
-/*
- * Real Time signals may be queued.
- */
-
-struct sigqueue {
- struct list_head list;
- int flags;
- siginfo_t info;
- struct user_struct *user;
-};
-
-/* flags values. */
-#define SIGQUEUE_PREALLOC 1
-
-struct sigpending {
- struct list_head list;
- sigset_t signal;
-};
#ifndef HAVE_ARCH_COPY_SIGINFO
@@ -272,42 +253,6 @@ extern void set_current_blocked(sigset_t *);
extern void __set_current_blocked(const sigset_t *);
extern int show_unhandled_signals;
-struct sigaction {
-#ifndef __ARCH_HAS_IRIX_SIGACTION
- __sighandler_t sa_handler;
- unsigned long sa_flags;
-#else
- unsigned int sa_flags;
- __sighandler_t sa_handler;
-#endif
-#ifdef __ARCH_HAS_SA_RESTORER
- __sigrestore_t sa_restorer;
-#endif
- sigset_t sa_mask; /* mask last for extensibility */
-};
-
-struct k_sigaction {
- struct sigaction sa;
-#ifdef __ARCH_HAS_KA_RESTORER
- __sigrestore_t ka_restorer;
-#endif
-};
-
-#ifdef CONFIG_OLD_SIGACTION
-struct old_sigaction {
- __sighandler_t sa_handler;
- old_sigset_t sa_mask;
- unsigned long sa_flags;
- __sigrestore_t sa_restorer;
-};
-#endif
-
-struct ksignal {
- struct k_sigaction ka;
- siginfo_t info;
- int sig;
-};
-
extern int get_signal(struct ksignal *ksig);
extern void signal_setup_done(int failed, struct ksignal *ksig, int stepping);
extern void exit_signals(struct task_struct *tsk);
diff --git a/include/linux/signal_types.h b/include/linux/signal_types.h
new file mode 100644
index 000000000000..16d862a3d8f3
--- /dev/null
+++ b/include/linux/signal_types.h
@@ -0,0 +1,66 @@
+#ifndef _LINUX_SIGNAL_TYPES_H
+#define _LINUX_SIGNAL_TYPES_H
+
+/*
+ * Basic signal handling related data type definitions:
+ */
+
+#include <linux/list.h>
+#include <uapi/linux/signal.h>
+
+/*
+ * Real Time signals may be queued.
+ */
+
+struct sigqueue {
+ struct list_head list;
+ int flags;
+ siginfo_t info;
+ struct user_struct *user;
+};
+
+/* flags values. */
+#define SIGQUEUE_PREALLOC 1
+
+struct sigpending {
+ struct list_head list;
+ sigset_t signal;
+};
+
+struct sigaction {
+#ifndef __ARCH_HAS_IRIX_SIGACTION
+ __sighandler_t sa_handler;
+ unsigned long sa_flags;
+#else
+ unsigned int sa_flags;
+ __sighandler_t sa_handler;
+#endif
+#ifdef __ARCH_HAS_SA_RESTORER
+ __sigrestore_t sa_restorer;
+#endif
+ sigset_t sa_mask; /* mask last for extensibility */
+};
+
+struct k_sigaction {
+ struct sigaction sa;
+#ifdef __ARCH_HAS_KA_RESTORER
+ __sigrestore_t ka_restorer;
+#endif
+};
+
+#ifdef CONFIG_OLD_SIGACTION
+struct old_sigaction {
+ __sighandler_t sa_handler;
+ old_sigset_t sa_mask;
+ unsigned long sa_flags;
+ __sigrestore_t sa_restorer;
+};
+#endif
+
+struct ksignal {
+ struct k_sigaction ka;
+ siginfo_t info;
+ int sig;
+};
+
+#endif /* _LINUX_SIGNAL_TYPES_H */
--
2.7.4
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