'\" te
.\" This manual page is derived from the DAT/uDAPL 1.2 specification.
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.TH DAT_PROVIDER_INIT 3DAT "Jul 16, 2004"
.SH NAME
dat_provider_init \- locate the Provider in the Static Registry
.SH SYNOPSIS
.LP
.nf
cc [ \fIflag\fR\&.\|.\|. ] \fIfile\fR\&.\|.\|. \fB-ldat\fR [ \fIlibrary\fR\&.\|.\|. ]
#include <\fBdat/udat.h\fR>

void
    dat_provider_init (
    IN    const DAT_PROVIDER_INFO    *provider_info,
    IN    const char *               instance_data
    )
.fi

.SH PARAMETERS
.sp
.ne 2
.na
\fB\fIprovider_info\fR\fR
.ad
.RS 17n
The information that was provided by the Consumer to locate the Provider in the
Static Registry.
.RE

.sp
.ne 2
.na
\fB\fIinstance_data\fR\fR
.ad
.RS 17n
The instance data string obtained from the entry found in the Static Registry
for the Provider.
.RE

.SH DESCRIPTION
.sp
.LP
A constructor the Registry calls on a Provider before the first call to
\fBdat_ia_open\fR(3DAT) for a given IA name when the Provider is auto-loaded.
An application that explicitly loads a Provider on its own can choose to use
\fBdat_provider_init()\fR just as the Registry would have done for an
auto-loaded Provider.
.sp
.LP
The Provider's implementation of this method must call
\fBdat_registry_add_provider\fR(3DAT), using the IA name in the
\fBprovider_info.ia_name\fR field, to register itself with the Dynamic
Registry. The implementation must not register other IA names at this time.
Otherwise, the Provider is free to perform any initialization it finds useful
within this method.
.sp
.LP
This method is called before the first call to \fBdat_ia_open()\fR for a given
IA name after one of the following has occurred:
.RS +4
.TP
.ie t \(bu
.el o
The Provider library was loaded into memory.
.RE
.RS +4
.TP
.ie t \(bu
.el o
The Registry called \fBdat_provider_fini\fR(3DAT) for that IA name.
.RE
.RS +4
.TP
.ie t \(bu
.el o
The Provider called \fBdat_registry_remove_provider\fR(3DAT) for that IA name
(but it is still the Provider indicated in the Static Registry).
.RE
.sp
.LP
If this method fails, it should ensure that it does not leave its entry in the
Dynamic Registry.
.SH RETURN VALUES
.sp
.LP
No values are returned.
.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(5) for descriptions of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
Interface Stability	Standard: uDAPL, 1.1, 1.2
_
MT-Level	
.TE

.SH SEE ALSO
.sp
.LP
\fBdat_ia_open\fR(3DAT), \fBdat_provider_fini\fR(3DAT),
\fBdat_registry_add_provider\fR(3DAT),
\fBdat_registry_remove_provider\fR(3DAT), \fBlibdat\fR(3LIB),
\fBattributes\fR(5)