[LTP] [PATCH v1 2/2] include/lapi/sched.h: Move lapi/clone.h into here

Yang Xu xuyang2018.jy@fujitsu.com
Tue Nov 29 07:41:00 CET 2022


Like namespaces_constants.h, kernel doesn't have
clone.h header. We can also move it into here.

Signed-off-by: Yang Xu <xuyang2018.jy@fujitsu.com>
---
This patch has been verified on my ltp fork[1].
[1]https://github.com/xuyang0410/ltp/actions/runs/3571298308/jobs/6003048080
 include/lapi/clone.h                          | 56 -------------------
 include/lapi/sched.h                          | 31 ++++++++++
 lib/tst_clone.c                               |  2 +-
 testcases/kernel/containers/pidns/pidns13.c   |  2 +-
 testcases/kernel/containers/userns/userns08.c |  2 +-
 testcases/kernel/syscalls/clone3/clone301.c   |  2 +-
 testcases/kernel/syscalls/clone3/clone302.c   |  2 +-
 .../syscalls/close_range/close_range01.c      |  2 +-
 .../syscalls/close_range/close_range02.c      |  2 +-
 9 files changed, 38 insertions(+), 63 deletions(-)
 delete mode 100644 include/lapi/clone.h

diff --git a/include/lapi/clone.h b/include/lapi/clone.h
deleted file mode 100644
index 437d1376f..000000000
--- a/include/lapi/clone.h
+++ /dev/null
@@ -1,56 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (c) 2020 Linaro Limited. All rights reserved.
- * Author: Viresh Kumar <viresh.kumar@linaro.org>
- */
-
-#ifndef LAPI_CLONE_H__
-#define LAPI_CLONE_H__
-
-#include <sys/syscall.h>
-#include <linux/types.h>
-#include <sched.h>
-#include <stdint.h>
-
-#include "config.h"
-#include "lapi/syscalls.h"
-
-#ifndef HAVE_CLONE3
-struct clone_args {
-	uint64_t __attribute__((aligned(8))) flags;
-	uint64_t __attribute__((aligned(8))) pidfd;
-	uint64_t __attribute__((aligned(8))) child_tid;
-	uint64_t __attribute__((aligned(8))) parent_tid;
-	uint64_t __attribute__((aligned(8))) exit_signal;
-	uint64_t __attribute__((aligned(8))) stack;
-	uint64_t __attribute__((aligned(8))) stack_size;
-	uint64_t __attribute__((aligned(8))) tls;
-};
-
-static inline int clone3(struct clone_args *args, size_t size)
-{
-	return tst_syscall(__NR_clone3, args, size);
-}
-#endif
-
-#ifndef CLONE_PIDFD
-#define CLONE_PIDFD	0x00001000	/* set if a pidfd should be placed in parent */
-#endif
-
-#ifndef CLONE_NEWUSER
-# define CLONE_NEWUSER	0x10000000
-#endif
-
-static inline void clone3_supported_by_kernel(void)
-{
-	long ret;
-
-	if ((tst_kvercmp(5, 3, 0)) < 0) {
-		/* Check if the syscall is backported on an older kernel */
-		ret = syscall(__NR_clone3, NULL, 0);
-		if (ret == -1 && errno == ENOSYS)
-			tst_brk(TCONF, "Test not supported on kernel version < v5.3");
-	}
-}
-
-#endif /* LAPI_CLONE_H__ */
diff --git a/include/lapi/sched.h b/include/lapi/sched.h
index 3b0b4be31..1d22a9d7e 100644
--- a/include/lapi/sched.h
+++ b/include/lapi/sched.h
@@ -11,6 +11,7 @@
 #include <unistd.h>
 #include <stdint.h>
 #include <inttypes.h>
+#include "config.h"
 #include "lapi/syscalls.h"
 
 struct sched_attr {
@@ -43,6 +44,32 @@ static inline int sched_getattr(pid_t pid, struct sched_attr *attr,
 	return syscall(__NR_sched_getattr, pid, attr, size, flags);
 }
 
+#ifndef HAVE_CLONE3
+struct clone_args {
+	uint64_t __attribute__((aligned(8))) flags;
+	uint64_t __attribute__((aligned(8))) pidfd;
+	uint64_t __attribute__((aligned(8))) child_tid;
+	uint64_t __attribute__((aligned(8))) parent_tid;
+	uint64_t __attribute__((aligned(8))) exit_signal;
+	uint64_t __attribute__((aligned(8))) stack;
+	uint64_t __attribute__((aligned(8))) stack_size;
+	uint64_t __attribute__((aligned(8))) tls;
+};
+
+static inline int clone3(struct clone_args *args, size_t size)
+{
+	return tst_syscall(__NR_clone3, args, size);
+}
+#endif
+
+static inline void clone3_supported_by_kernel(void)
+{
+	if ((tst_kvercmp(5, 3, 0)) < 0) {
+		/* Check if the syscall is backported on an older kernel */
+		tst_syscall(__NR_clone3, NULL, 0);
+	}
+}
+
 #ifndef SCHED_DEADLINE
 # define SCHED_DEADLINE	6
 #endif
@@ -55,6 +82,10 @@ static inline int sched_getattr(pid_t pid, struct sched_attr *attr,
 # define CLONE_FS	0x00000200
 #endif
 
+#ifndef CLONE_PIDFD
+# define CLONE_PIDFD	0x00001000
+#endif
+
 #ifndef CLONE_NEWNS
 # define CLONE_NEWNS	0x00020000
 #endif
diff --git a/lib/tst_clone.c b/lib/tst_clone.c
index 07e7f0767..ecc84408c 100644
--- a/lib/tst_clone.c
+++ b/lib/tst_clone.c
@@ -8,7 +8,7 @@
 #include <stddef.h>
 
 #include "tst_test.h"
-#include "lapi/clone.h"
+#include "lapi/sched.h"
 
 pid_t tst_clone(const struct tst_clone_args *tst_args)
 {
diff --git a/testcases/kernel/containers/pidns/pidns13.c b/testcases/kernel/containers/pidns/pidns13.c
index 39fd6df7f..6a155027c 100644
--- a/testcases/kernel/containers/pidns/pidns13.c
+++ b/testcases/kernel/containers/pidns/pidns13.c
@@ -31,7 +31,7 @@
 
 #include "tst_test.h"
 #include "tst_clone.h"
-#include "lapi/clone.h"
+#include "lapi/sched.h"
 
 static int pipe_fd[2];
 
diff --git a/testcases/kernel/containers/userns/userns08.c b/testcases/kernel/containers/userns/userns08.c
index afdad6cad..2697d874b 100644
--- a/testcases/kernel/containers/userns/userns08.c
+++ b/testcases/kernel/containers/userns/userns08.c
@@ -25,7 +25,7 @@
 
 #include "tst_test.h"
 #include "tst_clone.h"
-#include "lapi/clone.h"
+#include "lapi/sched.h"
 #include "tst_safe_file_at.h"
 
 static pid_t clone_newuser(void)
diff --git a/testcases/kernel/syscalls/clone3/clone301.c b/testcases/kernel/syscalls/clone3/clone301.c
index f7ef0b2d7..d0fadbc5d 100644
--- a/testcases/kernel/syscalls/clone3/clone301.c
+++ b/testcases/kernel/syscalls/clone3/clone301.c
@@ -15,7 +15,7 @@
 #include <sys/wait.h>
 
 #include "tst_test.h"
-#include "lapi/clone.h"
+#include "lapi/sched.h"
 #include "lapi/pidfd.h"
 
 #define CHILD_SIGNAL	SIGUSR1
diff --git a/testcases/kernel/syscalls/clone3/clone302.c b/testcases/kernel/syscalls/clone3/clone302.c
index 08d6417ce..b1b4ccebb 100644
--- a/testcases/kernel/syscalls/clone3/clone302.c
+++ b/testcases/kernel/syscalls/clone3/clone302.c
@@ -14,7 +14,7 @@
 #include <stdlib.h>
 
 #include "tst_test.h"
-#include "lapi/clone.h"
+#include "lapi/sched.h"
 
 static struct clone_args *valid_args, *invalid_args;
 unsigned long stack;
diff --git a/testcases/kernel/syscalls/close_range/close_range01.c b/testcases/kernel/syscalls/close_range/close_range01.c
index 5e2de4d1e..30bb600b6 100644
--- a/testcases/kernel/syscalls/close_range/close_range01.c
+++ b/testcases/kernel/syscalls/close_range/close_range01.c
@@ -28,7 +28,7 @@
 #include "tst_test.h"
 #include "tst_clone.h"
 
-#include "lapi/clone.h"
+#include "lapi/sched.h"
 #include "lapi/close_range.h"
 
 static int fd[3];
diff --git a/testcases/kernel/syscalls/close_range/close_range02.c b/testcases/kernel/syscalls/close_range/close_range02.c
index bd46936bb..aec899261 100644
--- a/testcases/kernel/syscalls/close_range/close_range02.c
+++ b/testcases/kernel/syscalls/close_range/close_range02.c
@@ -18,7 +18,7 @@
 #include "tst_clone.h"
 #include "lapi/fcntl.h"
 #include "lapi/close_range.h"
-#include "lapi/clone.h"
+#include "lapi/sched.h"
 
 static int try_close_range(int fd, int flags)
 {
-- 
2.23.0



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