.TH "PAPI_register_thread" 3 "Thu Dec 14 2023" "Version 7.1.0.0" "PAPI" \" -*- nroff -*-
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.SH NAME
PAPI_register_thread \- Notify PAPI that a thread has 'appeared'\&.  

.SH SYNOPSIS
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.PP
.SH "Detailed Description"
.PP 

.PP
\fBC Interface:\fP
.RS 4
#include <\fBpapi\&.h\fP> 
.br
int \fBPAPI_register_thread\fP (void);
.RE
.PP
\fBPAPI_register_thread()\fP should be called when the user wants to force PAPI to initialize a thread that PAPI has not seen before\&.
.PP
Usually this is not necessary as PAPI implicitly detects the thread when an eventset is created or other thread local PAPI functions are called\&. However, it can be useful for debugging and performance enhancements in the run-time systems of performance tools\&.
.PP
\fBReturn values\fP
.RS 4
\fIPAPI_ENOMEM\fP Space could not be allocated to store the new thread information\&. 
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\fIPAPI_ESYS\fP A system or C library call failed inside PAPI, see the errno variable\&. 
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\fIPAPI_ECMP\fP Hardware counters for this thread could not be initialized\&.
.RE
.PP
\fBSee also\fP
.RS 4
\fBPAPI_unregister_thread\fP 
.PP
\fBPAPI_thread_id\fP 
.PP
\fBPAPI_thread_init\fP 
.RE
.PP


.SH "Author"
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Generated automatically by Doxygen for PAPI from the source code\&.