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CentOS 7.0 - man page for papi_is_initialized (centos section 3)

PAPI_is_initialized(3)						       PAPI						    PAPI_is_initialized(3)

NAME
PAPI_is_initialized - check for initialization
SYNOPSIS
Detailed Description @retval PAPI_NOT_INITED Library has not been initialized @retval PAPI_LOW_LEVEL_INITED Low level has called library init @retval PAPI_HIGH_LEVEL_INITED High level has called library init @retval PAPI_THREAD_LEVEL_INITED Threads have been inited @param version upon initialization, PAPI checks the argument against the internal value of PAPI_VER_CURRENT when the library was compiled. This guards against portability problems when updating the PAPI shared libraries on your system. @par Examples: int retval; retval = PAPI_library_init(PAPI_VER_CURRENT); if (retval != PAPI_VER_CURRENT && retval > 0) { fprintf(stderr,"PAPI library version mismatch!\n"); exit(1); } if (retval < 0) handle_error(retval); retval = PAPI_is_initialized(); if (retval != PAPI_LOW_LEVEL_INITED) handle_error(retval); * PAPI_is_initialized() returns the status of the PAPI library. The PAPI library can be in one of four states, as described under RETURN VALUES. See Also: PAPI PAPI_thread_init Author Generated automatically by Doxygen for PAPI from the source code. Version 5.2.0.0 Tue Jun 17 2014 PAPI_is_initialized(3)