[PATCH RFC 2/5] tools/nolibc: add helpers for wait() signal exits

From: Thomas Weißschuh
Date: Tue Mar 07 2023 - 17:24:01 EST


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

Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
---
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

--
2.39.2