Messages in this thread Patch in this message | | | Date | Fri, 12 Feb 2021 12:37:07 -0000 | From | "tip-bot2 for Willy Tarreau" <> | Subject | [tip: core/rcu] tools/nolibc: Add the definition for dup() |
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The following commit has been merged into the core/rcu branch of tip:
Commit-ID: c261145abd2461f921ac44ad70c28778dda710f4 Gitweb: https://git.kernel.org/tip/c261145abd2461f921ac44ad70c28778dda710f4 Author: Willy Tarreau <w@1wt.eu> AuthorDate: Thu, 21 Jan 2021 08:20:23 +01:00 Committer: Paul E. McKenney <paulmck@kernel.org> CommitterDate: Thu, 21 Jan 2021 10:06:44 -08:00
tools/nolibc: Add the definition for dup()
This commit adds the dup() function, which was omitted when sys_dup() was defined. This is a port of nolibc's upstream commit 47cc42a79c92 to the Linux kernel.
Fixes: 66b6f755ad45 ("rcutorture: Import a copy of nolibc") Tested-by: Valentin Schneider <valentin.schneider@arm.com> Tested-by: Mark Rutland <mark.rutland@arm.com> [arm64] Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> --- tools/include/nolibc/nolibc.h | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h index e61d36c..3115c64 100644 --- a/tools/include/nolibc/nolibc.h +++ b/tools/include/nolibc/nolibc.h @@ -1853,6 +1853,18 @@ int close(int fd) } static __attribute__((unused)) +int dup(int fd) +{ + int ret = sys_dup(fd); + + if (ret < 0) { + SET_ERRNO(-ret); + ret = -1; + } + return ret; +} + +static __attribute__((unused)) int dup2(int old, int new) { int ret = sys_dup2(old, new);
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