.TH "PAPI_perror" 3 "Mon Dec 18 2017" "Version 5.6.0.0" "PAPI" \" -*- nroff -*-

.ad l

.nh

.SH NAME

PAPI_perror \- 

.PP

Produces a string on standard error, describing the last library error\&.  

.SH SYNOPSIS

.br

.PP

.SH "Detailed Description"

.PP 

.PP

\fBC Interface:\fP

.RS 4

#include <\fBpapi\&.h\fP> 

.br

 void \fBPAPI_perror( const char *s )\fP;

.RE

.PP

\fBParameters:\fP

.RS 4

\fIs\fP -- Optional message to print before the string describing the last error message\&.

.RE

.PP

The routine \fBPAPI_perror()\fP produces a message on the standard error output, describing the last error encountered during a call to PAPI\&. If s is not NULL, s is printed, followed by a colon and a space\&. Then the error message and a new-line are printed\&.

.PP

\fBExample:\fP

.RS 4

.PP

.nf

*  int ret;

*  int EventSet = PAPI_NULL;

*  int native = 0x0;

*

*  ret = PAPI_create_eventset(&EventSet);

*  if (ret != PAPI_OK)

*  {

*     fprintf(stderr, \"PAPI error %d: %s\\n\", ret, PAPI_strerror(retval));

*     exit(1);

*  }

*  // Add Total Instructions Executed to our EventSet

*  ret = PAPI_add_event(EventSet, PAPI_TOT_INS);

*  if (ret != PAPI_OK)

*  {

*     PAPI_perror( "PAPI_add_event" );

*     exit(1);

*  }

*  // Start counting

*  ret = PAPI_start(EventSet);

*  if (ret != PAPI_OK) handle_error(ret);

*  

.fi

.PP

.RE

.PP

\fBSee Also:\fP

.RS 4

\fBPAPI_strerror\fP 

.RE

.PP

.SH "Author"

.PP 

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