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e63f308570
Add tests for pidfd_wait() and CLONE_WAIT_PID: - test that waitid(P_PIDFD) fails on /proc/<pid> - test that waitid(P_PIDFD) fails on /dev/null - test that waitid(P_PIDFD) can wait on a pidfd - test that waitid(P_PIDFD) can wait on a pidfd and return siginfo_t - test that waitid(P_PIDFD) works with WEXITED - test that waitid(P_PIDFD) works with WSTOPPED - test that waitid(P_PIDFD) works with WUNTRACED - test that waitid(P_PIDFD) works with WCONTINUED - test that waitid(P_PIDFD) works with WNOWAIT - test that waitid(P_PIDFD)works with WNOHANG Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Joel Fernandes (Google) <joel@joelfernandes.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: David Howells <dhowells@redhat.com> Cc: Jann Horn <jannh@google.com> Cc: Andy Lutomirsky <luto@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Aleksa Sarai <cyphar@cyphar.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Link: https://lore.kernel.org/r/20190727222229.6516-3-christian@brauner.io
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.