Re: [PATCH] selftests: pidfd: Fix compiling warning of pidfs_setns

Hello *, On Wed, 5 Feb 2025 13:50:31 +0800, I Hsin Cheng wrote: > In the compilation of pidfs_setns_test.c , a warning as the following > will pop out. > > pidfd_setns_test.c: In function ‘current_nsset_setup’: > pidfd_setns_test.c:173:54: warning: implicit declaration of function \ > ‘ioctl’

[PATCH] selftests: pidfd: Fix compiling warning of pidfs_setns

In the compilation of pidfs_setns_test.c , a warning as the following will pop out. pidfd_setns_test.c: In function ‘current_nsset_setup’: pidfd_setns_test.c:173:54: warning: implicit declaration of function \ ‘ioctl’ [-Wimplicit-function-declaration] 173 | self->child_pidfd_deri