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/*
* XMail by Davide Libenzi ( Intranet and Internet mail server )
* Copyright (C) 1999,..,2004 Davide Libenzi
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Davide Libenzi <davidel@xmailserver.org>
*
*/
#include "SysInclude.h"
#include "SysDep.h"
#include "SysDepUnix.h"
#include "AppDefines.h"
#define MAX_THREAD_CONCURRENCY 512
#define MAX_SWAP_NAME_SIZE 256
static int SysGetSwapInfo(SYS_INT64 *pSwapTotal, SYS_INT64 *pSwapFree);
int SysDepInitLibrary(void)
{
thr_setconcurrency(MAX_THREAD_CONCURRENCY);
return 0;
}
void SysDepCleanupLibrary(void)
{
}
int SysSetThreadPriority(SYS_THREAD ThreadID, int iPriority)
{
ThrData *pTD = (ThrData *) ThreadID;
int iPolicy;
struct sched_param SchParam;
if (pthread_getschedparam(pTD->ThreadId, &iPolicy, &SchParam) != 0) {
ErrSetErrorCode(ERR_SET_THREAD_PRIORITY);
return ERR_SET_THREAD_PRIORITY;
}
int iMinPriority = sched_get_priority_min(iPolicy),
iMaxPriority = sched_get_priority_max(iPolicy),
iStdPriority = (iMinPriority + iMaxPriority) / 2;
switch (iPriority) {
case (SYS_PRIORITY_NORMAL):
SchParam.sched_priority = iStdPriority;
break;
case (SYS_PRIORITY_LOWER):
SchParam.sched_priority = iStdPriority - (iStdPriority - iMinPriority) / 3;
break;
case (SYS_PRIORITY_HIGHER):
SchParam.sched_priority = iStdPriority + (iStdPriority - iMinPriority) / 3;
break;
}
if (pthread_setschedparam(pTD->ThreadId, iPolicy, &SchParam) != 0) {
ErrSetErrorCode(ERR_SET_THREAD_PRIORITY);
return ERR_SET_THREAD_PRIORITY;
}
return 0;
}
long SysGetTimeZone(void)
{
return (long) timezone;
}
int SysGetDiskSpace(char const *pszPath, SYS_INT64 *pTotal, SYS_INT64 *pFree)
{
struct statvfs SFStat;
if (statvfs(pszPath, &SFStat) != 0) {
ErrSetErrorCode(ERR_GET_DISK_SPACE_INFO);
return ERR_GET_DISK_SPACE_INFO;
}
*pTotal = (SYS_INT64) SFStat.f_bsize * (SYS_INT64) SFStat.f_blocks;
*pFree = (SYS_INT64) SFStat.f_bsize * (SYS_INT64) SFStat.f_bavail;
return 0;
}
int SysMemoryInfo(SYS_INT64 *pRamTotal, SYS_INT64 *pRamFree,
SYS_INT64 *pVirtTotal, SYS_INT64 *pVirtFree)
{
SYS_INT64 SwapTotal;
SYS_INT64 SwapFree;
if (SysGetSwapInfo(&SwapTotal, &SwapFree) < 0) {
ErrSetErrorCode(ERR_GET_MEMORY_INFO);
return ERR_GET_MEMORY_INFO;
}
SYS_INT64 PageSize = (SYS_INT64) sysconf(_SC_PAGESIZE);
*pRamTotal = (SYS_INT64) sysconf(_SC_PHYS_PAGES) * PageSize;
*pRamFree = (SYS_INT64) sysconf(_SC_AVPHYS_PAGES) * PageSize;
*pVirtTotal = SwapTotal + *pRamTotal;
*pVirtFree = SwapFree + *pRamFree;
return 0;
}
static int SysGetSwapInfo(SYS_INT64 *pSwapTotal, SYS_INT64 *pSwapFree)
{
*pSwapTotal = *pSwapFree = 0;
int iNumSwaps = swapctl(SC_GETNSWP, 0);
if (iNumSwaps == -1)
return -1;
if (iNumSwaps == 0)
return 0;
swaptbl_t *pSwTab = (swaptbl_t *) malloc(iNumSwaps * sizeof(swapent_t) +
sizeof(struct swaptable));
if (pSwTab == (void *) 0)
return -1;
memset(pSwTab, 0, iNumSwaps * sizeof(swapent_t) + sizeof(struct swaptable));
char *pszNameTab = (char *) malloc(iNumSwaps * MAX_SWAP_NAME_SIZE);
if (pszNameTab == (void *) 0) {
free(pSwTab);
return -1;
}
memset(pszNameTab, 0, iNumSwaps * MAX_SWAP_NAME_SIZE);
int ii;
for (ii = 0; ii < iNumSwaps; ii++)
pSwTab->swt_ent[ii].ste_path = pszNameTab + (ii * MAX_SWAP_NAME_SIZE);
pSwTab->swt_n = iNumSwaps;
if ((iNumSwaps = swapctl(SC_LIST, pSwTab)) < 0) {
free(pszNameTab);
free(pSwTab);
return -1;
}
SYS_INT64 PageSize = (SYS_INT64) sysconf(_SC_PAGESIZE);
for (ii = 0; ii < iNumSwaps; ii++) {
*pSwapTotal += (SYS_INT64) pSwTab->swt_ent[ii].ste_pages * PageSize;
*pSwapFree += (SYS_INT64) pSwTab->swt_ent[ii].ste_free * PageSize;
}
free(pszNameTab);
free(pSwTab);
return 0;
}
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