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(SIGAR-148) add generic sigar_statvfs built with LFS flags

This commit is contained in:
Doug MacEachern 2009-05-21 14:25:46 -07:00
parent d3ceb14ff7
commit 94b3f884a2
2 changed files with 38 additions and 0 deletions
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4
include/sigar_util.h
View File

@ -120,6 +120,10 @@ int sigar_procfs_args_get(sigar_t *sigar, sigar_pid_t pid,
int sigar_mem_calc_ram(sigar_t *sigar, sigar_mem_t *mem);
int sigar_statvfs(sigar_t *sigar,
const char *dirname,
sigar_file_system_usage_t *fsusage);
double sigar_file_system_usage_calc_used(sigar_t *sigar,
sigar_file_system_usage_t *fs);

34
src/sigar_fileinfo.c
View File

@ -61,6 +61,40 @@
# endif
#endif
#include "sigar.h"
#ifndef WIN32
#include <sys/statvfs.h>
#include <errno.h>
#define SIGAR_FS_BLOCKS_TO_BYTES(val, bsize) ((val * bsize) >> 1)
int sigar_statvfs(sigar_t *sigar,
const char *dirname,
sigar_file_system_usage_t *fsusage)
{
struct statvfs buf;
sigar_uint64_t val, bsize;
if (statvfs(dirname, &buf) != 0) {
return errno;
}
bsize = buf.f_frsize / 512;
val = buf.f_blocks;
fsusage->total = SIGAR_FS_BLOCKS_TO_BYTES(val, bsize);
val = buf.f_bfree;
fsusage->free = SIGAR_FS_BLOCKS_TO_BYTES(val, bsize);
val = buf.f_bavail;
fsusage->avail = SIGAR_FS_BLOCKS_TO_BYTES(val, bsize);
fsusage->used = fsusage->total - fsusage->free;
fsusage->files = buf.f_files;
fsusage->free_files = buf.f_ffree;
return SIGAR_OK;
}
#endif
/*
* whittled down version of apr/file_info/{unix,win32}/filestat.c
* to fillin sigar_fileattrs_t