From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: libc-alpha@sourceware.org, Florian Weimer <fweimer@redhat.com>
Subject: [PATCH v9 3/6] linux: Define __ASSUME_CLONE3 to 0 for alpha, ia64, nios2, sh, and sparc
Date: Thu, 24 Aug 2023 13:42:16 -0300 [thread overview]
Message-ID: <20230824164219.391263-4-adhemerval.zanella@linaro.org> (raw)
In-Reply-To: <20230824164219.391263-1-adhemerval.zanella@linaro.org>
Not all architectures added clone3 syscall.
Reviewed-by: Florian Weimer <fweimer@redhat.com>
---
.../unix/sysv/linux/alpha/kernel-features.h | 4 ++++
.../unix/sysv/linux/ia64/kernel-features.h | 4 ++++
.../unix/sysv/linux/nios2/kernel-features.h | 24 +++++++++++++++++++
sysdeps/unix/sysv/linux/sh/kernel-features.h | 4 ++++
.../unix/sysv/linux/sparc/kernel-features.h | 4 ++++
5 files changed, 40 insertions(+)
create mode 100644 sysdeps/unix/sysv/linux/nios2/kernel-features.h
diff --git a/sysdeps/unix/sysv/linux/alpha/kernel-features.h b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
index 3151e75449..d14c010333 100644
--- a/sysdeps/unix/sysv/linux/alpha/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
@@ -50,4 +50,8 @@
/* Alpha requires old sysvipc even being a 64-bit architecture. */
#undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
+/* Alpha does not provide clone3. */
+#undef __ASSUME_CLONE3
+#define __ASSUME_CLONE3 0
+
#endif /* _KERNEL_FEATURES_H */
diff --git a/sysdeps/unix/sysv/linux/ia64/kernel-features.h b/sysdeps/unix/sysv/linux/ia64/kernel-features.h
index 98ebfb74bf..398ec37328 100644
--- a/sysdeps/unix/sysv/linux/ia64/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/ia64/kernel-features.h
@@ -34,4 +34,8 @@
#undef __ASSUME_CLONE_DEFAULT
#define __ASSUME_CLONE2
+/* ia64 does not provide clone3. */
+#undef __ASSUME_CLONE3
+#define __ASSUME_CLONE3 0
+
#endif /* _KERNEL_FEATURES_H */
diff --git a/sysdeps/unix/sysv/linux/nios2/kernel-features.h b/sysdeps/unix/sysv/linux/nios2/kernel-features.h
new file mode 100644
index 0000000000..239e507272
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/nios2/kernel-features.h
@@ -0,0 +1,24 @@
+/* Set flags signalling availability of kernel features based on given
+ kernel version number. NIOS2 version.
+ Copyright (C) 2023 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include_next <kernel-features.h>
+
+/* nios2 does not provide clone3. */
+#undef __ASSUME_CLONE3
+#define __ASSUME_CLONE3 0
diff --git a/sysdeps/unix/sysv/linux/sh/kernel-features.h b/sysdeps/unix/sysv/linux/sh/kernel-features.h
index 953fa8dff0..3eaf9e0857 100644
--- a/sysdeps/unix/sysv/linux/sh/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/sh/kernel-features.h
@@ -55,4 +55,8 @@
# undef __ASSUME_STATX
#endif
+/* sh does not provide clone3. */
+#undef __ASSUME_CLONE3
+#define __ASSUME_CLONE3 0
+
#endif
diff --git a/sysdeps/unix/sysv/linux/sparc/kernel-features.h b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
index 98c938c16d..fcb343ef63 100644
--- a/sysdeps/unix/sysv/linux/sparc/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
@@ -87,3 +87,7 @@
(INLINE_CLONE_SYSCALL). */
#undef __ASSUME_CLONE_DEFAULT
#define __ASSUME_CLONE_BACKWARDS 1
+
+/* sparc does not provide clone3. */
+#undef __ASSUME_CLONE3
+#define __ASSUME_CLONE3 0
--
2.34.1
next prev parent reply other threads:[~2023-08-24 16:42 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-24 16:42 [PATCH v9 0/6] Add pidfd and cgroupv2 support for process creation Adhemerval Zanella
2023-08-24 16:42 ` [PATCH v9 1/6] arm: Add the clone3 wrapper Adhemerval Zanella
2023-09-04 12:04 ` Florian Weimer
2023-09-05 13:14 ` Adhemerval Zanella Netto
2023-08-24 16:42 ` [PATCH v9 2/6] mips: " Adhemerval Zanella
2023-09-04 12:04 ` Florian Weimer
2023-09-05 13:15 ` Adhemerval Zanella Netto
2023-08-24 16:42 ` Adhemerval Zanella [this message]
2023-08-24 16:42 ` [PATCH v9 4/6] linux: Add posix_spawnattr_{get,set}cgroup_np (BZ 26731) Adhemerval Zanella
2023-08-24 16:42 ` [PATCH v9 5/6] posix: Add pidfd_spawn and pidfd_spawnp (BZ 30349) Adhemerval Zanella
2023-09-04 12:53 ` Florian Weimer
2023-08-24 16:42 ` [PATCH v9 6/6] linux: Add pidfd_getpid Adhemerval Zanella
2023-08-28 12:42 ` [PATCH v9 0/6] Add pidfd and cgroupv2 support for process creation Luca Boccassi
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