143051d27SRobert Mustacchi.\" 243051d27SRobert Mustacchi.\" This file and its contents are supplied under the terms of the 343051d27SRobert Mustacchi.\" Common Development and Distribution License ("CDDL"), version 1.0. 443051d27SRobert Mustacchi.\" You may only use this file in accordance with the terms of version 543051d27SRobert Mustacchi.\" 1.0 of the CDDL. 643051d27SRobert Mustacchi.\" 743051d27SRobert Mustacchi.\" A full copy of the text of the CDDL should have accompanied this 843051d27SRobert Mustacchi.\" source. A copy of the CDDL is also available via the Internet at 943051d27SRobert Mustacchi.\" http://www.illumos.org/license/CDDL. 1043051d27SRobert Mustacchi.\" 1143051d27SRobert Mustacchi.\" 1243051d27SRobert Mustacchi.\" Copyright 2015 Joyent, Inc. 1343051d27SRobert Mustacchi.\" 1443051d27SRobert Mustacchi.Dd May 11, 2016 1543051d27SRobert Mustacchi.Dt PSETWAPT 3PROC 1643051d27SRobert Mustacchi.Os 1743051d27SRobert Mustacchi.Sh NAME 1843051d27SRobert Mustacchi.Nm Psetwapt 1943051d27SRobert Mustacchi.Nd set a watchpoint in a process 20ab618543SJohn Levon.Sh LIBRARY 2143051d27SRobert Mustacchi.Lb libproc 22ab618543SJohn Levon.Sh SYNOPSIS 2343051d27SRobert Mustacchi.In libproc.h 2443051d27SRobert Mustacchi.Ft int 2543051d27SRobert Mustacchi.Fo Psetwapt 2643051d27SRobert Mustacchi.Fa "struct ps_prochandle *P" 2743051d27SRobert Mustacchi.Fa "const prwatch_t *wp" 2843051d27SRobert Mustacchi.Fc 2943051d27SRobert Mustacchi.Sh DESCRIPTION 3043051d27SRobert MustacchiThe 3143051d27SRobert Mustacchi.Fn Psetwapt 3243051d27SRobert Mustacchifunction adds a watchpoint to the process handle 3343051d27SRobert Mustacchi.Fa P . 3443051d27SRobert MustacchiAllowing the hardware to generate a trap when the specified area is 3572d3dbb9SYuri Pankovaccessed. 3672d3dbb9SYuri PankovThe watchpoint's parameters are described in 3743051d27SRobert Mustacchi.Fa wp . 3843051d27SRobert MustacchiFor more information on watchpoints and the 3943051d27SRobert Mustacchi.Sy prwatch_t 4043051d27SRobert Mustacchistructure, see the 4143051d27SRobert Mustacchi.Sy PCWATCH 4243051d27SRobert Mustacchisection in 43*bbf21555SRichard Lowe.Xr proc 5 . 4443051d27SRobert MustacchiThe watched area will persist until a subsequent call to 4543051d27SRobert Mustacchi.Xr Pdelwapt 3PROC . 4643051d27SRobert Mustacchi.Pp 4772d3dbb9SYuri PankovNote, only active processes support watchpoints. 4872d3dbb9SYuri PankovIt is an error to call this function on process handles that correspond to core 4972d3dbb9SYuri Pankovfiles, zombie processes, or files. 5043051d27SRobert Mustacchi.Sh RETURN VALUES 5143051d27SRobert MustacchiUpon successful completion, the 5243051d27SRobert Mustacchi.Fn Psetwapt 5343051d27SRobert Mustacchifunction returns 5443051d27SRobert Mustacchi.Sy 0 5543051d27SRobert Mustacchiand installs the watchpoint in 5643051d27SRobert Mustacchi.Fa P . 5743051d27SRobert MustacchiOtherwise, 5843051d27SRobert Mustacchi.Sy -1 5943051d27SRobert Mustacchiis returned and 6043051d27SRobert Mustacchi.Sy errno 6143051d27SRobert Mustacchiis set. 6243051d27SRobert Mustacchi.Sh ERRORS 6343051d27SRobert MustacchiFor a full list of possible errors see the 6443051d27SRobert Mustacchi.Sy DIAGNOSTICS 6543051d27SRobert Mustacchisection in 66*bbf21555SRichard Lowe.Xr proc 5 . 6743051d27SRobert Mustacchi.Pp 6843051d27SRobert MustacchiThe 6943051d27SRobert Mustacchi.Fn Psetwapt 7043051d27SRobert Mustacchifunction will fail if: 7143051d27SRobert Mustacchi.Bl -tag -width Er 7243051d27SRobert Mustacchi.It Er ENOENT 7343051d27SRobert Mustacchi.Fa P 7443051d27SRobert Mustacchidoes not refer to an active process. 7543051d27SRobert Mustacchi.El 7643051d27SRobert Mustacchi.Sh INTERFACE STABILITY 7743051d27SRobert Mustacchi.Sy Uncommitted 7843051d27SRobert Mustacchi.Sh MT-LEVEL 7943051d27SRobert MustacchiSee 8043051d27SRobert Mustacchi.Sy LOCKING 8143051d27SRobert Mustacchiin 8243051d27SRobert Mustacchi.Xr libproc 3LIB . 8343051d27SRobert Mustacchi.Sh SEE ALSO 8443051d27SRobert Mustacchi.Xr libproc 3LIB , 8543051d27SRobert Mustacchi.Xr Pdelwapt 3PROC , 86*bbf21555SRichard Lowe.Xr proc 5 87