@c
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@c
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@c COPYRIGHT (c) 1988-2002.
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@c COPYRIGHT (c) 1988-2002.
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@c On-Line Applications Research Corporation (OAR).
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@c On-Line Applications Research Corporation (OAR).
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@c All rights reserved.
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@c All rights reserved.
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@c
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@c
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@c dumpcontrol.t,v 1.13 2002/01/17 21:47:45 joel Exp
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@c dumpcontrol.t,v 1.13 2002/01/17 21:47:45 joel Exp
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@c
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@c
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@chapter Process Dump Control Manager
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@chapter Process Dump Control Manager
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@section Introduction
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@section Introduction
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The process dump control manager provides a portable
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The process dump control manager provides a portable
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interface for changing the path to which a process dump
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interface for changing the path to which a process dump
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is written. The capabilities in this manager were defined in
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is written. The capabilities in this manager were defined in
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the POSIX 1003.1h/D3 proposed standard titled @b{Services for Reliable,
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the POSIX 1003.1h/D3 proposed standard titled @b{Services for Reliable,
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Available, and Serviceable Systems}.
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Available, and Serviceable Systems}.
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The directives provided by the process dump control manager are:
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The directives provided by the process dump control manager are:
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@itemize @bullet
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@itemize @bullet
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@item @code{dump_setpath} - Dump File Control
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@item @code{dump_setpath} - Dump File Control
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@end itemize
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@end itemize
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@section Background
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@section Background
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There is currently no text in this section.
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There is currently no text in this section.
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@section Operations
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@section Operations
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There is currently no text in this section.
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There is currently no text in this section.
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@section Directives
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@section Directives
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This section details the process dump control manager's directives.
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This section details the process dump control manager's directives.
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A subsection is dedicated to each of this manager's directives
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A subsection is dedicated to each of this manager's directives
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and describes the calling sequence, related constants, usage,
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and describes the calling sequence, related constants, usage,
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and status codes.
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and status codes.
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@page
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@page
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@subsection dump_setpath - Dump File Control
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@subsection dump_setpath - Dump File Control
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@subheading CALLING SEQUENCE:
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@subheading CALLING SEQUENCE:
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@ifset is-C
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@ifset is-C
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@example
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@example
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#include
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#include
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int dump_setpath(
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int dump_setpath(
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const char *path
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const char *path
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);
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);
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@end example
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@end example
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@end ifset
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@end ifset
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@ifset is-Ada
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@ifset is-Ada
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@end ifset
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@end ifset
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@subheading STATUS CODES:
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@subheading STATUS CODES:
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@table @b
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@table @b
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@item EACESS
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@item EACESS
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Search permission is denied for a component of the path prefix,
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Search permission is denied for a component of the path prefix,
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or write permission is denied on the directory containing the
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or write permission is denied on the directory containing the
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file.
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file.
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@item ENAMETOOLONG
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@item ENAMETOOLONG
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The length of the argument exceeds @code{PATH_MAX} or a pathname
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The length of the argument exceeds @code{PATH_MAX} or a pathname
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component is longer than @code{NAME_MAX} while @code{_POSIX_NO_TRUNC}
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component is longer than @code{NAME_MAX} while @code{_POSIX_NO_TRUNC}
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is in effect.
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is in effect.
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@item ENOENT
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@item ENOENT
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The path argument points to an empty string.
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The path argument points to an empty string.
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@item ENOTDIR
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@item ENOTDIR
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A component of the path prefix is not a directory.
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A component of the path prefix is not a directory.
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@item EROFS
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@item EROFS
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The directory entry specified resides on a read-only file system.
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The directory entry specified resides on a read-only file system.
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@end table
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@end table
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@subheading DESCRIPTION:
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@subheading DESCRIPTION:
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The @code{dump_setpath()} function defines the pathname where process
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The @code{dump_setpath()} function defines the pathname where process
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dumps are written. The pathname pointed to by @code{path} defines
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dumps are written. The pathname pointed to by @code{path} defines
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where a process dump file is written if the calling process
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where a process dump file is written if the calling process
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terminates with a dump file. The @code{path} argument does not
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terminates with a dump file. The @code{path} argument does not
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name a directory.
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name a directory.
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If the @code{path} argument is NULL, the system does not write a
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If the @code{path} argument is NULL, the system does not write a
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process dump file if the calling process terminates with a dump
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process dump file if the calling process terminates with a dump
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file. If the @code{dump_setpath} function fails, the pathname for
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file. If the @code{dump_setpath} function fails, the pathname for
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writing process dumps does not change.
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writing process dumps does not change.
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@subheading NOTES:
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@subheading NOTES:
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The @code{_POSIX_DUMP} feature flag is defined to indicate
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The @code{_POSIX_DUMP} feature flag is defined to indicate
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this service is available.
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this service is available.
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