linux-kernel - [PATCH 2/8] tools/nolibc: add helpers for wait() signal exits

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Message-Id: <20230325154516.7995-3-w@1wt.eu>
Date:   Sat, 25 Mar 2023 16:45:10 +0100
From:   Willy Tarreau <w@....eu>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     linux@...ssschuh.net, linux-kernel@...r.kernel.org,
        Willy Tarreau <w@....eu>
Subject: [PATCH 2/8] tools/nolibc: add helpers for wait() signal exits

From: Thomas Weißschuh <linux@...ssschuh.net>

These are useful for users and will also be used in an upcoming
testcase.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
Signed-off-by: Willy Tarreau <w@....eu>
---
 tools/include/nolibc/types.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/include/nolibc/types.h b/tools/include/nolibc/types.h
index 10823e5ac44b..aedd7d9e3f64 100644
--- a/tools/include/nolibc/types.h
+++ b/tools/include/nolibc/types.h
@@ -97,6 +97,8 @@
 /* Macros used on waitpid()'s return status */
 #define WEXITSTATUS(status) (((status) & 0xff00) >> 8)
 #define WIFEXITED(status)   (((status) & 0x7f) == 0)
+#define WTERMSIG(status)    ((status) & 0x7f)
+#define WIFSIGNALED(status) ((status) - 1 < 0xff)
 
 /* waitpid() flags */
 #define WNOHANG      1
-- 
2.17.5