mirror of
https://github.com/YosysHQ/yosys
synced 2025-11-04 05:19:11 +00:00
65 lines
2.8 KiB
C++
65 lines
2.8 KiB
C++
/****************************************************************************************[System.h]
|
|
Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson
|
|
Copyright (c) 2007-2010, Niklas Sorensson
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
|
|
associated documentation files (the "Software"), to deal in the Software without restriction,
|
|
including without limitation the rights to use, copy, modify, merge, publish, distribute,
|
|
sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in all copies or
|
|
substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
|
|
NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
|
|
OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
**************************************************************************************************/
|
|
|
|
#ifndef Minisat_System_h
|
|
#define Minisat_System_h
|
|
|
|
#include "IntTypes.h"
|
|
|
|
//-------------------------------------------------------------------------------------------------
|
|
|
|
namespace Minisat {
|
|
|
|
static inline double cpuTime(void); // CPU-time in seconds.
|
|
|
|
extern double memUsed(); // Memory in mega bytes (returns 0 for unsupported architectures).
|
|
extern double memUsedPeak(bool strictlyPeak = false); // Peak-memory in mega bytes (returns 0 for unsupported architectures).
|
|
|
|
extern void limitMemory(uint64_t max_mem_mb); // Set a limit on total memory usage. The exact
|
|
// semantics varies depending on architecture.
|
|
|
|
extern void limitTime(uint32_t max_cpu_time); // Set a limit on maximum CPU time. The exact
|
|
// semantics varies depending on architecture.
|
|
|
|
extern void sigTerm(void handler(int)); // Set up handling of available termination signals.
|
|
|
|
}
|
|
|
|
//-------------------------------------------------------------------------------------------------
|
|
// Implementation of inline functions:
|
|
|
|
#if defined(_MSC_VER) || defined(__MINGW32__)
|
|
#include <time.h>
|
|
|
|
static inline double Minisat::cpuTime(void) { return (double)clock() / CLOCKS_PER_SEC; }
|
|
|
|
#else
|
|
#include <sys/time.h>
|
|
#include <sys/resource.h>
|
|
#include <unistd.h>
|
|
|
|
static inline double Minisat::cpuTime(void) {
|
|
struct rusage ru;
|
|
getrusage(RUSAGE_SELF, &ru);
|
|
return (double)ru.ru_utime.tv_sec + (double)ru.ru_utime.tv_usec / 1000000; }
|
|
|
|
#endif
|
|
|
|
#endif
|