FreeBSD vs CentOS as server Post: 302973549

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LEARN ABOUT FREEBSD

procdesc

PROCDESC(4)						   BSD 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 <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.

BUGS

     procdesc is considered experimental in FreeBSD.

BSD
								  August 21, 2013							       BSD