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| .\" Common Development and Distribution License ("CDDL"), version 1.0. |
| .\" You may only use this file in accordance with the terms of version |
| .\" 1.0 of the CDDL. |
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| .\" Copyright 2015 Joyent, Inc. |
| .\" |
| .Dd May 11, 2016 |
| .Dt PDELWAPT 3PROC |
| .Os |
| .Sh NAME |
| .Nm Pdelwapt |
| .Nd remove a watchpoint in a process |
| .Sh LIBRARY |
| .Lb libproc |
| .Sh SYNOPSIS |
| .In libproc.h |
| .Ft int |
| .Fo Pdelwapt |
| .Fa "struct ps_prochandle *P" |
| .Fa "const prwatch_t *wp" |
| .Fc |
| .Sh DESCRIPTION |
| The |
| .Fn Pdelwapt |
| function removes the watchpoint specified by |
| .Fa wp |
| from the process represented by the handle |
| .Fa P . |
| The watchpoint should have been installed with either |
| .Xr Psetwapt 3PROC |
| or the underlying /proc file system |
| .Sy PCWATCH |
| operation. |
| .Pp |
| The |
| .Fn Pdelwapt |
| function only works on running processes, such as those created through |
| .Xr Pgrab 3PROC |
| and |
| .Xr Pcreate 3PROC . |
| Attempting to remove a watchpoint from process handles to core files, |
| zombie processes, or ELF objects will fail. |
| .Sh RETURN VALUES |
| Upon successful completion, the |
| .Fn Pdelwapt |
| function removes the watchpoint and returns |
| .Sy 0 . |
| Otherwise, |
| .Sy -1 |
| is returned, |
| .Sy errno |
| is set to indicate the error. |
| .Sh ERRORS |
| For a full list of possible errors see the |
| .Sy DIAGNOSTICS |
| section in |
| .Xr proc 4 . |
| .Pp |
| The |
| .Fn Pdelwapt |
| function will fail with: |
| .Bl -tag -width Er |
| .It Er ENOENT |
| The handle |
| .Fa P |
| refers to a grabbed core file, a zombie process, or an ELF object. |
| .El |
| .Sh INTERFACE STABILITY |
| .Sy Uncommitted |
| .Sh MT-LEVEL |
| See |
| .Sy LOCKING |
| in |
| .Xr libproc 3LIB . |
| .Sh SEE ALSO |
| .Xr libproc 3LIB , |
| .Xr Pcreate 3PROC , |
| .Xr Pgrab 3PROC , |
| .Xr Pgrab_core 3PROC , |
| .Xr Pgrab_file 3PROC , |
| .Xr Psetwapt 3PROC , |
| .Xr proc 4 |