Commit c261145a authored by Willy Tarreau's avatar Willy Tarreau Committed by Paul E. McKenney
Browse files

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: 66b6f755 ("rcutorture: Import a copy of nolibc")
Tested-by: default avatarValentin Schneider <valentin.schneider@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com> [arm64]
Signed-off-by: default avatarWilly Tarreau <w@1wt.eu>
Signed-off-by: default avatarPaul E. McKenney <paulmck@kernel.org>
parent 7c53f6b6

tools/include/nolibc/nolibc.h

+12 −0
Original line number Diff line number Diff line
@@ -1852,6 +1852,18 @@ int close(int fd) 
	return ret;

}



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)

{