linux-kernel - [PATCH bpf-next 1/2] selftests/bpf: Add xpthread_cancel() to sockmap

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Message-Id: <20260123-selftest-signal-on-connect-v1-1-b0256e7025b6@rbox.co>
Date: Fri, 23 Jan 2026 17:15:56 +0100
From: Michal Luczaj <mhal@...x.co>
To: Alexei Starovoitov <ast@...nel.org>, 
 Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, 
 Martin KaFai Lau <martin.lau@...ux.dev>, 
 Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>, 
 Yonghong Song <yonghong.song@...ux.dev>, 
 John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>, 
 Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>, 
 Jiri Olsa <jolsa@...nel.org>, Shuah Khan <shuah@...nel.org>, 
 Kuniyuki Iwashima <kuniyu@...gle.com>
Cc: bpf@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Michal Luczaj <mhal@...x.co>
Subject: [PATCH bpf-next 1/2] selftests/bpf: Add xpthread_cancel() to
 sockmap_helpers

Thin wrapper reporting failure, in the spirit of xpthread_create() and
xpthread_join().

Signed-off-by: Michal Luczaj <mhal@...x.co>
---
 tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h b/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h
index d815efac52fd..209f2e4fb627 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h
@@ -60,6 +60,15 @@
 		__ret;                                                         \
 	})
 
+#define xpthread_cancel(thread)                                                \
+	({                                                                     \
+		int __ret = pthread_cancel((thread));                          \
+		errno = __ret;                                                 \
+		if (__ret)                                                     \
+			FAIL_ERRNO("pthread_cancel");                          \
+		__ret;                                                         \
+	})
+
 #define xpthread_join(thread, retval)                                          \
 	({                                                                     \
 		int __ret = pthread_join((thread), (retval));                  \

-- 
2.52.0