Willy Tarreau 79f220e56d tools/nolibc: Make dup2() rely on dup3() when available ... A recent boot failure on 5.4-rc3 on arm64 revealed that sys_dup2() is not available and that only sys_dup3() is implemented. This commit detects this and falls back to sys_dup3() when available. This is a port of nolibc's upstream commit fd5272ec2c66 to the Linux kernel. 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: Willy Tarreau <w@1wt.eu> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>		2021-01-21 10:06:44 -08:00
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nolibc.h	tools/nolibc: Make dup2() rely on dup3() when available	2021-01-21 10:06:44 -08:00