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How to get system() function executed cmd return value ?
Post 302093242 by haiudhaya on Wednesday 18th of October 2006 07:02:52 AM
10-18-2006
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LEARN ABOUT CENTOS
papi_state
PAPI_state(3) PAPI PAPI_state(3) NAME
PAPI_state - Return the counting state of an EventSet. SYNOPSIS
Detailed Description C Interface: #include <papi.h> int PAPI_state( int EventSet, int * status ); Parameters: EventSet -- an integer handle for a PAPI event set as created by PAPI_create_eventset status -- an integer containing a boolean combination of one or more of the following nonzero constants as defined in the PAPI header file papi.h: o PAPI_STOPPED -- EventSet is stopped o PAPI_RUNNING -- EventSet is running o PAPI_PAUSED -- EventSet temporarily disabled by the library o PAPI_NOT_INIT -- EventSet defined, but not initialized o PAPI_OVERFLOWING -- EventSet has overflowing enabled o PAPI_PROFILING -- EventSet has profiling enabled o PAPI_MULTIPLEXING -- EventSet has multiplexing enabled o PAPI_ACCUMULATING -- reserved for future use o PAPI_HWPROFILING -- reserved for future use Return values: PAPI_OK PAPI_EINVAL One or more of the arguments is invalid. PAPI_ENOEVST The EventSet specified does not exist. PAPI_state() returns the counting state of the specified event set. Example: * int EventSet = PAPI_NULL; * int status = 0; * int ret; * * ret = PAPI_create_eventset(&EventSet); * if (ret != PAPI_OK) handle_error(ret); * * // Add Total Instructions Executed to our EventSet * ret = PAPI_add_event(EventSet, PAPI_TOT_INS); * if (ret != PAPI_OK) handle_error(ret); * * // Start counting * ret = PAPI_state(EventSet, &status); * if (ret != PAPI_OK) handle_error(ret); * printf("State is now %d0,status); * ret = PAPI_start(EventSet); * if (ret != PAPI_OK) handle_error(ret); * ret = PAPI_state(EventSet, &status); * if (ret != PAPI_OK) handle_error(ret); * printf("State is now %d0,status); * See Also: PAPI_stop PAPI_start Author Generated automatically by Doxygen for PAPI from the source code. Version 5.2.0.0 Tue Jun 17 2014 PAPI_state(3)