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.TH POOL_ERROR 3POOL "May 23, 2021"
.SH NAME
pool_error, pool_strerror \- error interface to resource pools library
.SH SYNOPSIS
.nf
cc [ \fIflag\fR\&.\|.\|. ] \fIfile\fR\&.\|.\|. \fB-lpool\fR [ \fIlibrary\fR\&.\|.\|. ]
#include <pool.h>
\fBint\fR \fBpool_error\fR(\fBvoid\fR);
.fi
.LP
.nf
\fBconst char *\fR\fBpool_strerror\fR(\fBint\fR \fIperr\fR);
.fi
.SH DESCRIPTION
The \fBpool_error()\fR function returns the error value of the last failure
recorded by the invocation of one of the functions of the resource pool
configuration library, \fBlibpool\fR.
.sp
.LP
The \fBpool_strerror()\fR function returns a descriptive null-terminated string
for each of the valid pool error codes.
.sp
.LP
The following error codes can be returned by \fBpool_error()\fR:
.SH RETURN VALUES
The \fBpool_error()\fR function returns the current pool error value for the
calling thread from among the following:
.sp
.ne 2
.na
\fB\fBPOE_ACCESS\fR\fR
.ad
.RS 22n
The operation could not be performed because the configuration was not opened
with the correct opening permissions.
.RE
.sp
.ne 2
.na
\fB\fBPOE_BADPARAM\fR\fR
.ad
.RS 22n
A bad parameter was supplied.
.RE
.sp
.ne 2
.na
\fB\fBPOE_BAD_PROP_TYPE\fR\fR
.ad
.RS 22n
An incorrect property type was submitted or encountered during the pool
operation.
.RE
.sp
.ne 2
.na
\fB\fBPOE_DATASTORE\fR\fR
.ad
.RS 22n
An error occurred within permanent storage.
.RE
.sp
.ne 2
.na
\fB\fBPOE_INVALID_CONF\fR\fR
.ad
.RS 22n
The pool configuration presented for the operation is invalid.
.RE
.sp
.ne 2
.na
\fB\fBPOE_INVALID_SEARCH\fR\fR
.ad
.RS 22n
A query whose outcome set was empty was attempted.
.RE
.sp
.ne 2
.na
\fB\fBPOE_NOTSUP\fR\fR
.ad
.RS 22n
An unsupported operation was attempted.
.RE
.sp
.ne 2
.na
\fB\fBPOE_PUTPROP\fR\fR
.ad
.RS 22n
An attempt to write a read-only property was made.
.RE
.sp
.ne 2
.na
\fB\fBPOE_OK\fR\fR
.ad
.RS 22n
The previous pool operation succeeded.
.RE
.sp
.ne 2
.na
\fB\fBPOE_SYSTEM\fR\fR
.ad
.RS 22n
An underlying system call or library function failed; \fBerrno\fR(3C) is
preserved where possible.
.RE
.sp
.LP
The \fBpool_strerror()\fR function returns a pointer to the string
corresponding to the requested error value. If the error value has no
corresponding string, \(mi1 is returned and \fBerrno\fR is set to indicate the
error.
.SH ERRORS
The \fBpool_strerror()\fR function will fail if:
.sp
.ne 2
.na
\fB\fBESRCH\fR\fR
.ad
.RS 9n
The specified error value is not defined by the pools error facility.
.RE
.SH ATTRIBUTES
See \fBattributes\fR(5) for descriptions of the following attributes:
.sp
.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE ATTRIBUTE VALUE
_
CSI Enabled
_
Interface Stability Unstable
_
MT-Level Safe
.TE
.SH SEE ALSO
\fBerrno\fR(3C), \fBlibpool\fR(3LIB), \fBattributes\fR(5)