bce095739f
* configure.in: Added -gnu89 to CFLAGS. * examples/Makefile.am: Fixed LDFLAGS. * sysdeps/common/fsusage.c: (glibtop_get_fsusage_s): * sysdeps/linux/fsusage.c: (linux_2_6_0): * sysdeps/linux/proctime.c: (glibtop_get_proc_time_s): * sysdeps/linux/sysinfo.c: (init_sysinfo): Fixed C89 issues. Closes #149375.
104 lines
2.1 KiB
C
104 lines
2.1 KiB
C
#include <glibtop.h>
|
|
#include <glibtop/fsusage.h>
|
|
|
|
#include <glib.h>
|
|
|
|
#include <mntent.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
void _glibtop_linux_get_fsusage_read_write(glibtop *server,
|
|
glibtop_fsusage *buf,
|
|
const char *path);
|
|
|
|
/*
|
|
* Linux 2.6.x
|
|
* linux/Documentation/iostats.txt
|
|
*/
|
|
|
|
static void linux_2_6_0(glibtop *server, glibtop_fsusage *buf, const char *path)
|
|
{
|
|
FILE *mtab = setmntent("/etc/mtab", "r");
|
|
|
|
struct mntent *emnt;
|
|
|
|
while((emnt = getmntent(mtab)) != NULL)
|
|
{
|
|
if(strcmp(emnt->mnt_dir, path) != 0)
|
|
continue;
|
|
else
|
|
{
|
|
char filename[64]; /* magic */
|
|
|
|
char buffer[1024]; /* magic */
|
|
char *p;
|
|
|
|
char device[32]; /* magic */
|
|
unsigned partition;
|
|
|
|
const char *devname = emnt->mnt_fsname;
|
|
size_t offset;
|
|
|
|
/*
|
|
we only deal with /dev block devices "/dev/<DEVICE><PARTITION>"
|
|
i don't know if other block devices such as network block
|
|
devices provide this kind of information.
|
|
*/
|
|
|
|
if(!g_str_has_prefix(devname, "/dev/"))
|
|
break;
|
|
|
|
/* skip the "/dev/" */
|
|
devname += sizeof "/dev/" - 1;
|
|
|
|
g_strlcpy(device, devname, sizeof device);
|
|
|
|
offset = strcspn(devname, "0123456789");
|
|
partition = strtoul(devname + offset, NULL, 0);
|
|
|
|
device[offset] = '\0';
|
|
|
|
if((size_t) g_snprintf(filename, sizeof filename,
|
|
"/sys/block/%s/%s%u/stat",
|
|
device, device, partition) >= sizeof filename)
|
|
break;
|
|
|
|
|
|
if(try_file_to_buffer(buffer, filename) < 0)
|
|
break;
|
|
|
|
p = buffer;
|
|
p = skip_token(p);
|
|
buf->read = strtoull(p, &p, 0);
|
|
p = skip_token(p);
|
|
buf->write = strtoull(p, &p, 0);
|
|
}
|
|
}
|
|
|
|
endmntent(mtab);
|
|
}
|
|
|
|
|
|
static void linux_2_4_0(glibtop *server, glibtop_fsusage *buf, const char *path)
|
|
{
|
|
}
|
|
|
|
|
|
void _glibtop_linux_get_fsusage_read_write(glibtop *server,
|
|
glibtop_fsusage *buf,
|
|
const char *path)
|
|
{
|
|
if(server->os_version_code >= LINUX_VERSION_CODE(2, 6, 0))
|
|
{
|
|
linux_2_6_0(server, buf, path);
|
|
}
|
|
else if(server->os_version_code >= LINUX_VERSION_CODE(2, 4, 0))
|
|
{
|
|
linux_2_4_0(server, buf, path);
|
|
}
|
|
}
|