um: Fix -Wmissing-prototypes warnings for (rt_)sigreturn

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Use SYSCALL_DEFINE0 to define (rt_)sigreturn. This will address
below -Wmissing-prototypes warnings:

arch/x86/um/signal.c:453:6: warning: no previous prototype for ‘sys_sigreturn’ [-Wmissing-prototypes]
arch/x86/um/signal.c:560:6: warning: no previous prototype for ‘sys_rt_sigreturn’ [-Wmissing-prototypes]

Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

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Tiwei Bie 2024-04-23 20:58:52 +08:00 • committed by Richard Weinberger

parent f95bab8610

commit 323ced9669

1 changed files with 3 additions and 2 deletions

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arch/x86/um/signal.c

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