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df520a6856
implement eventfd_read and eventfd_write and setns Define F_SETPIPE_SZ and F_GETPIPE_SZ (From OE-Core rev: ef0adae63b4b9689c25ed7d84f2b09575c81ce83) Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
69 lines
1.9 KiB
Diff
69 lines
1.9 KiB
Diff
From db575359d4b8164ad6c2ac5f36c7a50c065a2864 Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Thu, 20 Feb 2014 00:44:34 -0800
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Subject: [PATCH 2/3] wire setns syscall
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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Upstream-Status: Pending
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---
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libc/sysdeps/linux/common/Makefile.in | 1 +
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libc/sysdeps/linux/common/bits/sched.h | 4 ++++
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libc/sysdeps/linux/common/setns.c | 18 ++++++++++++++++++
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3 files changed, 23 insertions(+)
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create mode 100644 libc/sysdeps/linux/common/setns.c
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diff --git a/libc/sysdeps/linux/common/Makefile.in b/libc/sysdeps/linux/common/Makefile.in
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index 45d2e21..10d9884 100644
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--- a/libc/sysdeps/linux/common/Makefile.in
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+++ b/libc/sysdeps/linux/common/Makefile.in
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@@ -45,6 +45,7 @@ CSRC-$(UCLIBC_LINUX_SPECIFIC) += \
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sendfile.c \
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setfsgid.c \
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setfsuid.c \
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+ setns.c \
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setresgid.c \
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setresuid.c \
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signalfd.c \
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diff --git a/libc/sysdeps/linux/common/bits/sched.h b/libc/sysdeps/linux/common/bits/sched.h
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index a5eb6ee..9436f66 100644
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--- a/libc/sysdeps/linux/common/bits/sched.h
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+++ b/libc/sysdeps/linux/common/bits/sched.h
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@@ -85,6 +85,10 @@ extern int unshare (int __flags) __THROW;
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/* Get index of currently used CPU. */
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extern int sched_getcpu (void) __THROW;
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+
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+/* Switch process to namespace of type NSTYPE indicated by FD. */
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+extern int setns (int __fd, int __nstype) __THROW;
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+
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#endif
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__END_DECLS
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diff --git a/libc/sysdeps/linux/common/setns.c b/libc/sysdeps/linux/common/setns.c
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new file mode 100644
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index 0000000..376bf26
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--- /dev/null
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+++ b/libc/sysdeps/linux/common/setns.c
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@@ -0,0 +1,18 @@
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+/* vi: set sw=4 ts=4: */
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+/*
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+ * setns() for uClibc
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+ *
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+ * Copyright (C) 2014 Khem Raj <raj.khem@gmail.com>
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+ *
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+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
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+ */
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+
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+#include <sys/syscall.h>
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+#include <sched.h>
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+
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+/*
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+ * setns()
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+ */
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+#ifdef __NR_setns
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+_syscall2(int, setns, int, fd, int, nstype)
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+#endif
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--
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1.9.0
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