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ngspice
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meminfo api usage not for commandline version

This commit is contained in:
dwarning 2009-02-01 18:10:01 +00:00
parent 9071404c63
commit e47189a79e
1 changed files with 41 additions and 42 deletions
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83
src/frontend/resource.c
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@ -37,18 +37,18 @@ $Id$
/* gtri - end - 12/12/90 */
#endif
/* We might compile for Windows, but only as a console application (e.g. tcl) */
/* We might compile for Windows, but only as a console application (e.g. tcl) */
#if defined(HAS_WINDOWS) || defined(__MINGW32__) || defined(_MSC_VER)
#define HAVE_WIN32
#endif
#ifdef HAVE_WIN32
#define WIN32_LEAN_AND_MEAN
#ifdef __MINGW32__ /* access to GlobalMemoryStatusEx in winbase.h:1558 */
#define WINVER 0x0500
#endif
/*
* The ngspice.h file included above defines BOOLEAN (via bool.h) and this
* clashes with the definition obtained from windows.h (via winnt.h).
@ -56,19 +56,19 @@ $Id$
* by undefining BOOLEAN before including windows.h
* SJB - April 2005
*/
#undef BOOLEAN
#include <windows.h>
/* At least Windows 2000 is needed
* Undefine _WIN32_WINNT 0x0500 if you want to compile under Windows ME
* and older (not tested under Windows ME or 98!)
*/
#if defined(__MINGW32__) || (_MSC_VER > 1200)/* Exclude VC++ 6.0 from using the psapi */
#if defined(__MINGW32__) || (_MSC_VER > 1200) /* Exclude VC++ 6.0 from using the psapi */
#include <psapi.h>
#endif
#endif
/* Uncheck the following definition if you want to get the old usage information
#endif /* HAVE_WIN32 */
/* Uncheck the following definition if you want to get the old usage information
#undef HAVE__PROC_MEMINFO
*/
@ -456,19 +456,19 @@ printres(char *name)
static void
fprintmem(FILE* stream, unsigned long int memory) {
if (memory > 1048576)
fprintf(stream, "%8.6f MB", memory/1048576.);
fprintf(stream, "%8.6f MB", memory/1048576.);
else if (memory > 1024)
fprintf(stream, "%5.3f kB", memory/1024.);
fprintf(stream, "%5.3f kB", memory/1024.);
else
fprintf(stream, "%lu bytes", memory);
fprintf(stream, "%lu bytes", memory);
}
# if defined(HAVE_WIN32) || defined(HAVE__PROC_MEMINFO)
#if defined(HAVE_WIN32) || defined(HAVE__PROC_MEMINFO)
static size_t get_procm(struct proc_mem *memall) {
#if defined (_MSC_VER)|| defined(__MINGW32__)
#if ( _WIN32_WINNT >= 0x0500)
/* Use Windows Api function to obtain size of memory */
#if defined (_MSC_VER) || defined(__MINGW32__)
#if (_WIN32_WINNT >= 0x0500) && defined(HAS_WINDOWS)
/* Use Windows API function to obtain size of memory - more accurate */
HANDLE hProcess;
PROCESS_MEMORY_COUNTERS pmc;
DWORD procid = GetCurrentProcessId();
@ -490,35 +490,35 @@ static size_t get_procm(struct proc_mem *memall) {
return 0;
}
CloseHandle( hProcess );
#else
/* Use Windows GlobalMemoryStatus or /proc/memory to obtain size of memory - not accurate */
get_sysmem(&mem_t_act); /* size is the difference between free memory at start time and now */
if (mem_t.free > mem_t_act.free) /* it can happen that that ngspice is */
memall->size = (mem_t.free - mem_t_act.free)/1024; /* to small compared to os memory usage */
else
memall->size = 0; /* sure, it is more */
memall->resident = 0;
memall->trs = 0;
#endif /* _WIN32_WINNT 0x0500 && HAS_WINDOWS */
#else
/* ngspice size is just the difference between free memory at start time and now */
get_sysmem(&mem_t_act);
if (mem_t.free > mem_t_act.free) /* it can happen that that ngspice is */
memall->size = (mem_t.free - mem_t_act.free)/1024; /* to small compared to os memory usage */
else
memall->size = 0; /* sure, it is more */
memall->resident = 0;
memall->trs = 0;
#endif /* _WIN32_WINNT 0x0500 */
#else
/* Use /proc/<pid>/statm file information */
FILE *fp;
char buffer[1024], fibuf[100];
size_t bytes_read;
(void) sprintf(fibuf, "/proc/%d/statm", getpid());
if((fp = fopen(fibuf, "r")) == NULL) {
perror("fopen(\"/proc/%d/statm\")");
return 0;
}
bytes_read = fread (buffer, 1, sizeof (buffer), fp);
fclose (fp);
if (bytes_read == 0 || bytes_read == sizeof (buffer))
return 0;
buffer[bytes_read] = '\0';
sscanf (buffer, "%d %d %d %d %d %d %d", &memall->size, &memall->resident, &memall->shared, &memall->trs, &memall->drs, &memall->lrs, &memall->dt);
/* Use Linux/UNIX /proc/<pid>/statm file information */
FILE *fp;
char buffer[1024], fibuf[100];
size_t bytes_read;
(void) sprintf(fibuf, "/proc/%d/statm", getpid());
if((fp = fopen(fibuf, "r")) == NULL) {
perror("fopen(\"/proc/%d/statm\")");
return 0;
}
bytes_read = fread (buffer, 1, sizeof (buffer), fp);
fclose (fp);
if (bytes_read == 0 || bytes_read == sizeof (buffer))
return 0;
buffer[bytes_read] = '\0';
sscanf (buffer, "%d %d %d %d %d %d %d", &memall->size, &memall->resident, &memall->shared, &memall->trs, &memall->drs, &memall->lrs, &memall->dt);
#endif
return 1;
}
@ -677,4 +677,3 @@ main( )
}
# endif