src/process.h

   1 /* -*- mode: C; c-file-style: "linux" -*- */
   2
   3 /* MemProf -- memory profiler and leak detector
   4  * Copyright 1999, 2000, 2001, Red Hat, Inc.
   5  * Copyright 2002, Kristian Rietveld
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  */
  21 /*====*/
  22
  23 #ifndef __PROCESS_H__
  24 #define __PROCESS_H__
  25
  26 #include <stdio.h>
  27 #include <glib.h>
  28 #include <unistd.h>
  29
  30 #include <glib-object.h>
  31
  32 #include "memprof.h"
  33
  34 #define MP_TYPE_PROCESS            (mp_process_get_type ())
  35 #define MP_PROCESS(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), MP_TYPE_PROCESS, MPProcess))
  36 #define MP_PROCESS_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), MP_TYPE_PROCESS, MPProcessClass))
  37 #define MP_IS_PROCESS(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MP_TYPE_PROCESS))
  38 #define MP_IS_PROCESS_CLASS(obj)   (G_TYPE_CHECK_CLASS_TYPE ((obj), MP_TYPE_PROCESS))
  39 #define MP_PROCESS_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), MP_TYPE_PROCESS, MPProcessClass))
  40
  41 /* forward declaration */
  42 typedef struct _MPServer MPServer;
  43
  44 typedef struct _MPProcess MPProcess;
  45 typedef struct _MPProcessClass MPProcessClass;
  46
  47 typedef enum {
  48         MP_PROCESS_INIT,        /* Newly created */
  49         MP_PROCESS_STARTING,    /* Run child, waiting for it to connect */
  50         MP_PROCESS_RUNNING,     /* Child is running */
  51         MP_PROCESS_EXITING,     /* _exit() has been called in child */
  52         MP_PROCESS_DEFUNCT,     /* child no longer exists */
  53         MP_PROCESS_DETACHED     /* we now ignore this child */
  54 } MPProcessStatus;
  55
  56 typedef void (*MPProcessBlockForeachFunc) (Block    *block,
  57                                            gpointer  data);
  58
  59 struct _MPProcess
  60 {
  61         GObject parent_instance;
  62
  63         MPProcessStatus status;
  64
  65         pid_t pid;
  66         gchar *program_name;
  67
  68         MPServer *server;
  69
  70         MPProcess *clone_of;
  71         MPProcess *parent;
  72         guint seqno;
  73
  74         guint bytes_used;
  75         guint n_allocations;
  76
  77         gint input_tag;
  78         GIOChannel *input_channel;
  79
  80         GList *map_list;
  81         GList *bad_pages;
  82         GHashTable *block_table;
  83
  84         StackStash *stack_stash;
  85
  86         GList *command_queue;
  87
  88         gboolean follow_fork;
  89         gboolean follow_exec;
  90 };
  91
  92 struct _MPProcessClass {
  93         GObjectClass parent_class;
  94
  95         void (*status_changed) (MPProcess *process);
  96         void (*reset)          (MPProcess *process);
  97 };
  98
  99 GType       mp_process_get_type     (void);
 100 MPProcess * process_new             (MPServer           *server);
 101 MPProcess * process_duplicate       (MPProcess          *process);
 102 void        process_set_follow_fork (MPProcess          *process,
 103                                      gboolean            follow_fork);
 104 void        process_set_follow_exec (MPProcess          *process,
 105                                      gboolean            follow_exec);
 106
 107 void  process_run             (MPProcess        *process,
 108                                const char       *path,
 109                                char            **args);
 110 void  process_detach          (MPProcess        *process);
 111 void  process_kill            (MPProcess        *process);
 112 void  process_exec_reset      (MPProcess        *process);
 113 void  process_set_status      (MPProcess        *process,
 114                                MPProcessStatus   status);
 115 char *process_get_status_text (MPProcess        *process);
 116 char *process_get_cmdline     (MPProcess        *process);
 117
 118 void        process_sections        (MPProcess          *process,
 119                                      SectionFunc         func,
 120                                      gpointer            user_data);
 121 GList *     process_get_clones      (MPProcess          *process);
 122 void        process_start_input     (MPProcess          *process);
 123 void        process_stop_input      (MPProcess          *process);
 124 void        process_clear_input     (MPProcess          *process);
 125 void        process_dump_stack      (MPProcess          *process,
 126                                      FILE               *out,
 127                                      StackNode          *stack);
 128 const char *  process_locate_symbol (MPProcess          *process,
 129                                      guint               addr);
 130
 131 char **     process_parse_exec      (const char         *exec_string);
 132 char *      process_find_exec       (char              **args);
 133
 134 void  process_block_foreach (MPProcess                *process,
 135                              MPProcessBlockForeachFunc foreach_func,
 136                              gpointer                  data);
 137 gboolean    process_find_line (MPProcess *process, void *address,
 138                                const char **filename, char **functionname,
 139                                unsigned int *line);
 140
 141 #endif /* __PROCESS_H__ */