Man

Command Section
PROCDESC(4)            FreeBSD Kernel Interfaces Manual            PROCDESC(4)

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 <[email protected]> and
     Jonathan Anderson <[email protected]> at the University of Cambridge,
     and Ben Laurie <[email protected]> and Kris Kennaway <[email protected]> at
     Google, Inc.

FreeBSD 11.1-RELEASE-p4          July 25, 2015         FreeBSD 11.1-RELEASE-p4
Command Section