Files
LBPM/StackTrace/Utilities.h

118 lines
2.8 KiB
C++

#ifndef included_StackTrace_Utilities
#define included_StackTrace_Utilities
#include <stdexcept>
#include <string>
#include <thread>
#include <typeinfo>
#include "StackTrace/StackTrace.h"
#include "StackTrace/string_view.h"
namespace StackTrace {
namespace Utilities {
/*!
* Aborts the run after printing an error message with file and
* line number information.
*/
void abort( const std::string &message, const std::string &filename, const int line );
/*!
* Set the behavior of abort
* @param throwException Throw an exception instead of MPI_Abort (default is false)
* @param stackType Type of stack to get (1: thread local stack, 2: all threads, 3: global)
*/
void setAbortBehavior( bool throwException, int stackType = 2 );
//! Function to terminate the application
void terminate( const StackTrace::abort_error &err );
//! Function to set the error handlers
void setErrorHandlers();
//! Function to clear the error handlers
void clearErrorHandlers();
/*!
* Function to get the memory availible.
* This function will return the total memory availible
* Note: depending on the implimentation, this number may be rounded to
* to a multiple of the page size.
* If this function fails, it will return 0.
*/
size_t getSystemMemory();
/*!
* Function to get the memory usage.
* This function will return the total memory used by the application.
* Note: depending on the implimentation, this number may be rounded to
* to a multiple of the page size.
* If this function fails, it will return 0.
*/
size_t getMemoryUsage();
//! Function to get an arbitrary point in time
double time();
//! Function to get the resolution of time
double tick();
/*!
* Sleep for X ms
* @param N Time to sleep (ms)
*/
inline void sleep_ms( int N ) { std::this_thread::sleep_for( std::chrono::milliseconds( N ) ); }
/*!
* Sleep for X s
* @param N Time to sleep (s)
*/
inline void sleep_s( int N ) { std::this_thread::sleep_for( std::chrono::seconds( N ) ); }
//! Cause a segfault
void cause_segfault();
/*!
* @brief Call system command
* @details This function calls a system command, waits for the program
* to execute, captures and returns the output and exit code.
* @param[in] cmd Command to execute
* @param[out] exit_code Exit code returned from child process
* @return Returns string containing the output
*/
std::string exec( const StackTrace::string_view &cmd, int &exit_code );
//! Return the hopefully demangled name of the given type
std::string getTypeName( const std::type_info &id );
//! Return the hopefully demangled name of the given type
template<class TYPE>
inline std::string getTypeName()
{
return getTypeName( typeid( TYPE ) );
}
} // namespace Utilities
} // namespace StackTrace
#endif