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.\" Ouroboros man pages (C) 2017
.\" Dimitri Staessens <dimitri.staessens@ugent.be>
.\" Sander Vrijders <sander.vrijders@ugent.be>
.TH AP_INIT 3 2017-04-10 GNU "Ouroboros Programmer's Manual"
.SH NAME
ap_init, ap_fini \- initialize and finalize an application for using
Ouroboros
.SH SYNOPSIS
.B #include <ouroboros/dev.h>
\fBint ap_init(char * \fIapn\fB);\fR
\fBvoid ap_fini(void);\fR
Compile and link with \fI-louroboros\fR.
.SH DESCRIPTION
The \fBap_init\fR() call initializes an application process instance
for using the Ouroboros IPC infrastructure. If the application is a
server or peer, a \fBchar * \fIapn\fR has to be provided indicating the
application process that this instance belongs to. This is usually
argv[0]. A client application may pass NULL. The \fBap_fini\fR() call
will release all resources allocated by \fBap_fini\fR().
\fBap_init\fR() and \fBap_fini\fR() should be called only once in the
application.
.SH RETURN VALUE
On success, \fBap_init\fR() returns 0. On failure, a negative value
indicating the error will be returned. The \fBap_fini\fR() function
has no return value.
.SH ERRORS
\fBap_init\fR() can return the following errors:
.B -EIRMD
Failed to contact an IRMd instance.
.B -ENOMEM
Insufficient system resources to intialize the application.
.SH ATTRIBUTES
For an explanation of the terms used in this section, see \fBattributes\fR(7).
.TS
box, tab(&);
LB|LB|LB
L|L|L.
Interface & Attribute & Value
_
\fBap_init\fR() & Thread safety & MT-Safe
_
\fBap_fini\fR() & Thread safety & MT-Safe
.TE
.SH COLOPHON
This page is part of the Ouroboros project, found at
https://bitbucket.org/ouroboros-rina/ouroboros
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