linux-osdata.c File Reference

#include "common-defs.h"
#include "linux-osdata.h"
#include <sys/types.h>
#include <sys/sysinfo.h>
#include <ctype.h>
#include <utmp.h>
#include <time.h>
#include <unistd.h>
#include <pwd.h>
#include <grp.h>
#include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "xml-utils.h"
#include "buffer.h"
#include <dirent.h>
#include <sys/stat.h>
#include "filestuff.h"
#include <algorithm>

Go to the source code of this file.

Classes
struct	pid_pgid_entry
union	socket_addr
struct	osdata_type

Macros
#define	NAMELEN(dirent)   strlen ((dirent)->d_name)
#define	MAX_PID_T_STRLEN   (sizeof ("-9223372036854775808") - 1)

Typedefs
typedef long long	PID_T
typedef long long	TIME_T

Functions
int	linux_common_core_of_thread (ptid_t ptid)
static void	command_from_pid (char *command, int maxlen, PID_T pid)
static char *	commandline_from_pid (PID_T pid)
static void	user_from_uid (char *user, int maxlen, uid_t uid)
static int	get_process_owner (uid_t *owner, PID_T pid)
static int	get_cores_used_by_process (PID_T pid, int *cores, const int num_cores)
static LONGEST	linux_xfer_osdata_processes (gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
static LONGEST	linux_xfer_osdata_processgroups (gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
static LONGEST	linux_xfer_osdata_threads (gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
static LONGEST	linux_xfer_osdata_cpus (gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
static LONGEST	linux_xfer_osdata_fds (gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
static const char *	format_socket_state (unsigned char state)
static void	print_sockets (unsigned short family, int tcp, struct buffer *buffer)
static LONGEST	linux_xfer_osdata_isockets (gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
static void	time_from_time_t (char *time, int maxlen, TIME_T seconds)
static void	group_from_gid (char *group, int maxlen, gid_t gid)
static LONGEST	linux_xfer_osdata_shm (gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
static LONGEST	linux_xfer_osdata_sem (gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
static LONGEST	linux_xfer_osdata_msg (gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
static LONGEST	linux_xfer_osdata_modules (gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
LONGEST	linux_common_xfer_osdata (const char *annex, gdb_byte *readbuf, ULONGEST offset, ULONGEST len)

Variables
struct osdata_type	osdata_table []

Macro Definition Documentation

MAX_PID_T_STRLEN

#define MAX_PID_T_STRLEN   (sizeof ("-9223372036854775808") - 1)

Definition at line 55 of file linux-osdata.c.

Referenced by get_cores_used_by_process(), get_process_owner(), linux_common_core_of_thread(), linux_xfer_osdata_processes(), and linux_xfer_osdata_processgroups().

NAMELEN

#define NAMELEN

(

dirent

)

strlen ((dirent)->d_name)

Definition at line 42 of file linux-osdata.c.

Referenced by get_cores_used_by_process(), linux_xfer_osdata_fds(), linux_xfer_osdata_processes(), linux_xfer_osdata_processgroups(), and linux_xfer_osdata_threads().

Typedef Documentation

PID_T

typedef long long PID_T

Definition at line 48 of file linux-osdata.c.

TIME_T

typedef long long TIME_T

Definition at line 53 of file linux-osdata.c.

Function Documentation

command_from_pid()

static void command_from_pid ( char *  command, int  maxlen, PID_T  pid  )

static

Definition at line 116 of file linux-osdata.c.

References fp, gdb_fopen_cloexec(), xfree(), and xstrprintf().

Referenced by commandline_from_pid(), linux_xfer_osdata_fds(), linux_xfer_osdata_msg(), linux_xfer_osdata_processgroups(), linux_xfer_osdata_shm(), and linux_xfer_osdata_threads().

commandline_from_pid()

static char* commandline_from_pid ( PID_T  pid )

static

Definition at line 153 of file linux-osdata.c.

References command_from_pid(), gdb_fopen_cloexec(), xfree(), xmalloc(), xrealloc(), and xstrprintf().

Referenced by linux_xfer_osdata_processes(), and linux_xfer_osdata_processgroups().

format_socket_state()

static const char* format_socket_state ( unsigned char  state )

static

Definition at line 859 of file linux-osdata.c.

Referenced by print_sockets().

get_cores_used_by_process()

static int get_cores_used_by_process ( PID_T  pid, int *  cores, const int  num_cores  )

static

Definition at line 248 of file linux-osdata.c.

References linux_common_core_of_thread(), MAX_PID_T_STRLEN, NAMELEN, and ptid_build().

Referenced by linux_xfer_osdata_processes().

get_process_owner()

static int get_process_owner ( uid_t *  owner, PID_T  pid  )

static

Definition at line 228 of file linux-osdata.c.

References MAX_PID_T_STRLEN, and S_ISDIR.

Referenced by linux_xfer_osdata_processes().

group_from_gid()

static void group_from_gid ( char *  group, int  maxlen, gid_t  gid  )

static

Definition at line 1112 of file linux-osdata.c.

Referenced by linux_xfer_osdata_msg(), linux_xfer_osdata_sem(), and linux_xfer_osdata_shm().

linux_common_core_of_thread()

int linux_common_core_of_thread

(

ptid_t

ptid

)

Definition at line 62 of file linux-osdata.c.

References gdb_fopen_cloexec(), MAX_PID_T_STRLEN, ptid_get_lwp(), ptid_get_pid(), xfree(), and xrealloc().

Referenced by get_cores_used_by_process(), and linux_xfer_osdata_threads().

linux_common_xfer_osdata()

LONGEST linux_common_xfer_osdata	(	const char *	annex,
		gdb_byte *	readbuf,
		ULONGEST	offset,
		ULONGEST	len
	)

Definition at line 1616 of file linux-osdata.c.

References buffer_finish(), buffer_free(), buffer_grow_str, buffer_grow_str0, buffer_init(), buffer_xml_printf(), gdb_assert, offset, osdata_table, and osdata_type::type.

Referenced by linux_qxfer_osdata().

linux_xfer_osdata_cpus()

static LONGEST linux_xfer_osdata_cpus ( gdb_byte *  readbuf, ULONGEST  offset, ULONGEST  len  )

static

Definition at line 648 of file linux-osdata.c.

References buffer_finish(), buffer_free(), buffer_grow_str, buffer_grow_str0, buffer_init(), buffer_xml_printf(), fp, gdb_fopen_cloexec(), and offset.

linux_xfer_osdata_fds()

static LONGEST linux_xfer_osdata_fds ( gdb_byte *  readbuf, ULONGEST  offset, ULONGEST  len  )

static

Definition at line 744 of file linux-osdata.c.

References buffer_finish(), buffer_free(), buffer_grow_str, buffer_grow_str0, buffer_init(), buffer_xml_printf(), command_from_pid(), NAMELEN, offset, S_ISDIR, xfree(), xsnprintf(), and xstrprintf().

linux_xfer_osdata_isockets()

static LONGEST linux_xfer_osdata_isockets ( gdb_byte *  readbuf, ULONGEST  offset, ULONGEST  len  )

static

Definition at line 1049 of file linux-osdata.c.

References buffer_finish(), buffer_free(), buffer_grow_str, buffer_grow_str0, buffer_init(), offset, and print_sockets().

linux_xfer_osdata_modules()

static LONGEST linux_xfer_osdata_modules ( gdb_byte *  readbuf, ULONGEST  offset, ULONGEST  len  )

static

Definition at line 1484 of file linux-osdata.c.

References buffer_finish(), buffer_free(), buffer_grow_str, buffer_grow_str0, buffer_init(), buffer_xml_printf(), fp, gdb_fopen_cloexec(), name, and offset.

linux_xfer_osdata_msg()

static LONGEST linux_xfer_osdata_msg ( gdb_byte *  readbuf, ULONGEST  offset, ULONGEST  len  )

static

Definition at line 1362 of file linux-osdata.c.

References buffer_finish(), buffer_free(), buffer_grow_str, buffer_grow_str0, buffer_init(), buffer_xml_printf(), command_from_pid(), fp, gdb_fopen_cloexec(), group_from_gid(), offset, time_from_time_t(), and user_from_uid().

linux_xfer_osdata_processes()

static LONGEST linux_xfer_osdata_processes ( gdb_byte *  readbuf, ULONGEST  offset, ULONGEST  len  )

static

Definition at line 286 of file linux-osdata.c.

References buffer_finish(), buffer_free(), buffer_grow_str, buffer_grow_str0, buffer_init(), buffer_xml_printf(), commandline_from_pid(), get_cores_used_by_process(), get_process_owner(), MAX_PID_T_STRLEN, NAMELEN, offset, user_from_uid(), xcalloc(), XCNEWVEC, and xfree().

linux_xfer_osdata_processgroups()

static LONGEST linux_xfer_osdata_processgroups ( gdb_byte *  readbuf, ULONGEST  offset, ULONGEST  len  )

static

Definition at line 433 of file linux-osdata.c.

References buffer_finish(), buffer_free(), buffer_grow_str, buffer_grow_str0, buffer_init(), buffer_xml_printf(), command_from_pid(), commandline_from_pid(), MAX_PID_T_STRLEN, NAMELEN, offset, and xfree().

linux_xfer_osdata_sem()

static LONGEST linux_xfer_osdata_sem ( gdb_byte *  readbuf, ULONGEST  offset, ULONGEST  len  )

static

Definition at line 1254 of file linux-osdata.c.

References buffer_finish(), buffer_free(), buffer_grow_str, buffer_grow_str0, buffer_init(), buffer_xml_printf(), fp, gdb_fopen_cloexec(), group_from_gid(), offset, time_from_time_t(), and user_from_uid().

linux_xfer_osdata_shm()

static LONGEST linux_xfer_osdata_shm ( gdb_byte *  readbuf, ULONGEST  offset, ULONGEST  len  )

static

Definition at line 1130 of file linux-osdata.c.

References buffer_finish(), buffer_free(), buffer_grow_str, buffer_grow_str0, buffer_init(), buffer_xml_printf(), command_from_pid(), fp, gdb_fopen_cloexec(), group_from_gid(), offset, time_from_time_t(), and user_from_uid().

linux_xfer_osdata_threads()

static LONGEST linux_xfer_osdata_threads ( gdb_byte *  readbuf, ULONGEST  offset, ULONGEST  len  )

static

Definition at line 534 of file linux-osdata.c.

References buffer_finish(), buffer_free(), buffer_grow_str, buffer_grow_str0, buffer_init(), buffer_xml_printf(), command_from_pid(), linux_common_core_of_thread(), NAMELEN, offset, ptid_build(), S_ISDIR, xfree(), xsnprintf(), and xstrprintf().

print_sockets()

static void print_sockets ( unsigned short  family, int  tcp, struct buffer *  buffer  )

static

Definition at line 918 of file linux-osdata.c.

References buffer_xml_printf(), format_socket_state(), fp, gdb_fopen_cloexec(), socket_addr::sa, socket_addr::sin, socket_addr::sin6, and user_from_uid().

Referenced by linux_xfer_osdata_isockets().

time_from_time_t()

static void time_from_time_t ( char *  time, int  maxlen, TIME_T  seconds  )

static

Definition at line 1095 of file linux-osdata.c.

Referenced by linux_xfer_osdata_msg(), linux_xfer_osdata_sem(), and linux_xfer_osdata_shm().

user_from_uid()

static void user_from_uid ( char *  user, int  maxlen, uid_t  uid  )

static

Definition at line 210 of file linux-osdata.c.

Referenced by linux_xfer_osdata_msg(), linux_xfer_osdata_processes(), linux_xfer_osdata_sem(), linux_xfer_osdata_shm(), and print_sockets().

Variable Documentation

osdata_table

struct osdata_type osdata_table[]

Initial value:

= {
  { "cpus", "CPUs", "Listing of all cpus/cores on the system",
    linux_xfer_osdata_cpus },
  { "files", "File descriptors", "Listing of all file descriptors",
    linux_xfer_osdata_fds },
  { "modules", "Kernel modules", "Listing of all loaded kernel modules",
    linux_xfer_osdata_modules },
  { "msg", "Message queues", "Listing of all message queues",
    linux_xfer_osdata_msg },
  { "processes", "Processes", "Listing of all processes",
    linux_xfer_osdata_processes },
  { "procgroups", "Process groups", "Listing of all process groups",
    linux_xfer_osdata_processgroups },
  { "semaphores", "Semaphores", "Listing of all semaphores",
    linux_xfer_osdata_sem },
  { "shm", "Shared-memory regions", "Listing of all shared-memory regions",
    linux_xfer_osdata_shm },
  { "sockets", "Sockets", "Listing of all internet-domain sockets",
    linux_xfer_osdata_isockets },
  { "threads", "Threads", "Listing of all threads",
    linux_xfer_osdata_threads },
  { NULL, NULL, NULL }
}

Referenced by linux_common_xfer_osdata().