greenplumn syslibwrapper 源码
greenplumn syslibwrapper 代码
文件路径：/src/backend/gporca/libgpos/src/common/syslibwrapper.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2011 EMC Corp.
//
// @filename:
// syslibwrapper.cpp
//
// @doc:
// Wrapper for functions in system library
//
//---------------------------------------------------------------------------
#include "gpos/common/syslibwrapper.h"
#include <sys/stat.h>
#include <sys/time.h>
#include <syslog.h>
#include "gpos/assert.h"
#include "gpos/error/CException.h"
#include "gpos/utils.h"
using namespace gpos;
//---------------------------------------------------------------------------
// @function:
// syslib::GetTimeOfDay
//
// @doc:
// Get the date and time
//
//---------------------------------------------------------------------------
void
gpos::syslib::GetTimeOfDay(TIMEVAL *tv, TIMEZONE *tz)
{
GPOS_ASSERT(nullptr != tv);
INT res GPOS_ASSERTS_ONLY = gettimeofday(tv, tz);
GPOS_ASSERT(0 == res);
}
//---------------------------------------------------------------------------
// @function:
// syslib::GetRusage
//
// @doc:
// Get system and user time
//
//---------------------------------------------------------------------------
void
gpos::syslib::GetRusage(RUSAGE *usage)
{
GPOS_ASSERT(nullptr != usage);
INT res GPOS_ASSERTS_ONLY = getrusage(RUSAGE_SELF, usage);
GPOS_ASSERT(0 == res);
}
//---------------------------------------------------------------------------
// @function:
// syslib::OpenLog
//
// @doc:
// Open a connection to the system logger for a program
//
//---------------------------------------------------------------------------
void
gpos::syslib::OpenLog(const CHAR *ident, INT option, INT facility)
{
openlog(ident, option, facility);
}
//---------------------------------------------------------------------------
// @function:
// syslib::SysLog
//
// @doc:
// Generate a log message
//
//---------------------------------------------------------------------------
void
gpos::syslib::SysLog(INT priority, const CHAR *format)
{
syslog(priority, "%s", format);
}
//---------------------------------------------------------------------------
// @function:
// syslib::CloseLog
//
// @doc:
// Close the descriptor being used to write to the system logger
//
//---------------------------------------------------------------------------
void
gpos::syslib::CloseLog()
{
closelog();
}
// EOF
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