bionic (4) procdesc.4freebsd.gz

Provided by: freebsd-manpages_11.1-3_all bug

NAME
     procdesc — process descriptor facility


DESCRIPTION
     procdesc is a file-descriptor-oriented interface to process signalling and control, which supplements
     historic UNIX fork(2), kill(2), and wait4(2) primitives with new system calls such as pdfork(2), pdkill(2),
     and pdwait4(2).  procdesc is designed for use with capsicum(4), replacing process identifiers with
     capability-oriented references.  However, it can also be used independently of capsicum(4), displacing
     PIDs, which may otherwise suffer from race conditions.  Given a process descriptor, it is possible to query
     its conventional PID using pdgetpid(2).


SEE ALSO
     fork(2), kill(2), pdfork(2), pdgetpid(2), pdkill(2), pdwait4(2), wait4(2), capsicum(4)


HISTORY
     procdesc first appeared in FreeBSD 9.0, and was developed at the University of Cambridge.


AUTHORS
     procdesc was developed by Robert Watson <rwatson@FreeBSD.org> and Jonathan Anderson <jonathan@FreeBSD.org>
     at the University of Cambridge, and Ben Laurie <benl@FreeBSD.org> and Kris Kennaway <kris@FreeBSD.org> at
     Google, Inc.