linux-kernel - [PATCH nolibc 39/61] tools/nolibc/signal: move raise() to signal.h

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Message-Id: <20220419004225.3952530-39-paulmck@kernel.org>
Date:   Mon, 18 Apr 2022 17:42:03 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     gwml@...r.gnuweeb.org, kernel-team@...com, w@....eu,
        Willy Tarreau <w@....eu>,
        "Paul E . McKenney" <paulmck@...nel.org>
Subject: [PATCH nolibc 39/61] tools/nolibc/signal: move raise() to signal.h

From: Willy Tarreau <w@....eu>

This function is normally found in signal.h, and providing the file
eases porting of existing programs. Let's move it there.

Signed-off-by: Willy Tarreau <w@....eu>
Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 tools/include/nolibc/nolibc.h |  1 +
 tools/include/nolibc/signal.h | 22 ++++++++++++++++++++++
 tools/include/nolibc/stdlib.h |  7 -------
 3 files changed, 23 insertions(+), 7 deletions(-)
 create mode 100644 tools/include/nolibc/signal.h

diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h
index 686726518431..0f375e901a36 100644
--- a/tools/include/nolibc/nolibc.h
+++ b/tools/include/nolibc/nolibc.h
@@ -88,6 +88,7 @@
 #include "types.h"
 #include "sys.h"
 #include "ctype.h"
+#include "signal.h"
 #include "stdio.h"
 #include "stdlib.h"
 #include "string.h"
diff --git a/tools/include/nolibc/signal.h b/tools/include/nolibc/signal.h
new file mode 100644
index 000000000000..ef47e71e2be3
--- /dev/null
+++ b/tools/include/nolibc/signal.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
+/*
+ * signal function definitions for NOLIBC
+ * Copyright (C) 2017-2022 Willy Tarreau <w@....eu>
+ */
+
+#ifndef _NOLIBC_SIGNAL_H
+#define _NOLIBC_SIGNAL_H
+
+#include "std.h"
+#include "arch.h"
+#include "types.h"
+#include "sys.h"
+
+/* This one is not marked static as it's needed by libgcc for divide by zero */
+__attribute__((weak,unused,section(".text.nolibc_raise")))
+int raise(int signal)
+{
+	return sys_kill(sys_getpid(), signal);
+}
+
+#endif /* _NOLIBC_SIGNAL_H */
diff --git a/tools/include/nolibc/stdlib.h b/tools/include/nolibc/stdlib.h
index 0e6bca4ee089..b46bebd48ba2 100644
--- a/tools/include/nolibc/stdlib.h
+++ b/tools/include/nolibc/stdlib.h
@@ -300,11 +300,4 @@ char *u64toa(uint64_t in)
 	return itoa_buffer;
 }
 
-/* This one is not marked static as it's needed by libgcc for divide by zero */
-__attribute__((weak,unused,section(".text.nolibc_raise")))
-int raise(int signal)
-{
-	return sys_kill(sys_getpid(), signal);
-}
-
 #endif /* _NOLIBC_STDLIB_H */
-- 
2.31.1.189.g2e36527f23