mono/mini/wapihandles.c

   1 #include <config.h>
   2 #include <glib.h>
   3
   4 #include "mini.h"
   5
   6 #if defined(HOST_WIN32) || !defined(HAVE_SYS_IPC_H) || !defined(HAVE_SYS_SEM_H) || (defined(__native_client__) && defined(__GLIBC__)) || defined(DISABLE_SHARED_HANDLES)
   7
   8 int mini_wapi_hps (int argc, char **argv)
   9 {
  10         return 0;
  11 }
  12
  13 int mini_wapi_semdel (int argc, char **argv)
  14 {
  15         return 0;
  16 }
  17
  18 int mini_wapi_seminfo (int argc, char **argv)
  19 {
  20         return 0;
  21 }
  22
  23 #else
  24
  25 #include <errno.h>
  26 #include <sys/types.h>
  27 #include <sys/ipc.h>
  28 #include <sys/sem.h>
  29 #include <mono/io-layer/io-layer.h>
  30
  31 /* We're digging into handle internals here... */
  32 #include <mono/io-layer/handles-private.h>
  33 #include <mono/io-layer/wapi-private.h>
  34 #include <mono/io-layer/shared.h>
  35 #include <mono/io-layer/collection.h>
  36
  37 static const gchar *unused_details (struct _WapiHandleShared *handle);
  38 static const gchar *unshared_details (struct _WapiHandleShared *handle);
  39 #if 0
  40 static const gchar *thread_details (struct _WapiHandleShared *handle);
  41 #endif
  42 static const gchar *namedmutex_details (struct _WapiHandleShared *handle);
  43 static const gchar *namedsem_details (struct _WapiHandleShared *handle);
  44 static const gchar *namedevent_details (struct _WapiHandleShared *handle);
  45
  46 /* This depends on the ordering of the enum WapiHandleType in
  47  * io-layer/wapi-private.h
  48  */
  49 static const gchar * (*details[])(struct _WapiHandleShared *)=
  50 {
  51         unused_details,
  52         unshared_details,               /* file */
  53         unshared_details,               /* console */
  54         unshared_details,               /* thread */
  55         unshared_details,               /* sem */
  56         unshared_details,               /* mutex */
  57         unshared_details,               /* event */
  58         unshared_details,               /* socket */
  59         unshared_details,               /* find */
  60         unshared_details,       /* process */
  61         unshared_details,               /* pipe */
  62         namedmutex_details,
  63         namedsem_details,
  64         namedevent_details,
  65         unused_details,
  66 };
  67
  68 int mini_wapi_hps (int argc, char **argv)
  69 {
  70         guint32 i;
  71         guint32 now;
  72
  73         _wapi_shared_layout = _wapi_shm_attach(WAPI_SHM_DATA);
  74         if (_wapi_shared_layout == NULL) {
  75                 g_error ("Failed to attach shared memory!");
  76                 exit (-1);
  77         }
  78
  79         _wapi_fileshare_layout = _wapi_shm_attach(WAPI_SHM_FILESHARE);
  80         if (_wapi_fileshare_layout == NULL) {
  81                 g_error ("Failed to attach fileshare shared memory!");
  82                 exit (-1);
  83         }
  84
  85         if (argc > 1) {
  86                 _wapi_shm_semaphores_init ();
  87                 _wapi_collection_init ();
  88                 _wapi_handle_collect ();
  89         }
  90
  91         g_print ("collection: %d sem: 0x%x\n",
  92                  _wapi_shared_layout->collection_count,
  93                  _wapi_shared_layout->sem_key);
  94
  95         now = (guint32)(time(NULL) & 0xFFFFFFFF);
  96         for (i = 0; i < _WAPI_HANDLE_INITIAL_COUNT; i++) {
  97                 struct _WapiHandleShared *shared;
  98
  99                 shared = &_wapi_shared_layout->handles[i];
 100                 if (shared->type != WAPI_HANDLE_UNUSED) {
 101                         g_print ("%3x (%3d) [%7s] %4u %s (%s)\n",
 102                                  i, shared->handle_refs,
 103                                  _wapi_handle_typename[shared->type],
 104                                  now - shared->timestamp,
 105                                  shared->signalled?"Sg":"Un",
 106                                  details[shared->type](shared));
 107                 }
 108         }
 109
 110         g_print ("Fileshare hwm: %d\n", _wapi_fileshare_layout->hwm);
 111
 112         for (i = 0; i <= _wapi_fileshare_layout->hwm; i++) {
 113                 struct _WapiFileShare *file_share;
 114
 115                 file_share = &_wapi_fileshare_layout->share_info[i];
 116                 if (file_share->handle_refs > 0) {
 117                         g_print ("dev: 0x%llx ino: %lld open pid: %d share: 0x%x access: 0x%x refs: %d\n", (long long int)file_share->device, (long long int)file_share->inode, file_share->opened_by_pid, file_share->sharemode, file_share->access, file_share->handle_refs);
 118                 }
 119         }
 120
 121         exit (0);
 122 }
 123
 124 static const gchar *unused_details (struct _WapiHandleShared *handle)
 125 {
 126         return("unused details");
 127 }
 128
 129 static const gchar *unshared_details (struct _WapiHandleShared *handle)
 130 {
 131         return("unshared details");
 132 }
 133
 134 #if 0
 135 static const gchar *thread_details (struct _WapiHandleShared *handle)
 136 {
 137         static gchar buf[80];
 138         struct _WapiHandle_thread *thr=&handle->u.thread;
 139
 140         g_snprintf (buf, sizeof(buf),
 141                     "proc: %d, tid: %ld, state: %d, exit: %u, join: %d",
 142                     thr->owner_pid, thr->id, thr->state, thr->exitstatus,
 143                     thr->joined);
 144
 145         return(buf);
 146 }
 147 #endif
 148
 149 static const gchar *namedmutex_details (struct _WapiHandleShared *handle)
 150 {
 151         static gchar buf[80];
 152         gchar *name;
 153         struct _WapiHandle_namedmutex *mut=&handle->u.namedmutex;
 154
 155         name = mut->sharedns.name;
 156
 157         g_snprintf (buf, sizeof(buf), "[%15s] own: %5d:%5ld, count: %5u",
 158                     name==NULL?(gchar *)"":name, mut->pid, mut->tid,
 159                     mut->recursion);
 160
 161         return(buf);
 162 }
 163
 164 static const gchar *namedsem_details (struct _WapiHandleShared *handle)
 165 {
 166         static gchar buf[80];
 167         gchar *name;
 168         struct _WapiHandle_namedsem *sem = &handle->u.namedsem;
 169
 170         name = sem->sharedns.name;
 171
 172         g_snprintf (buf, sizeof(buf), "[%15s] val: %5u, max: %5d",
 173                     name == NULL?(gchar *)"":name, sem->val, sem->max);
 174
 175         return(buf);
 176 }
 177
 178 static const gchar *namedevent_details (struct _WapiHandleShared *handle)
 179 {
 180         static gchar buf[80];
 181         gchar *name;
 182         struct _WapiHandle_namedevent *event = &handle->u.namedevent;
 183
 184         name = event->sharedns.name;
 185
 186         g_snprintf (buf, sizeof(buf), "[%15s] %s count: %5u",
 187                     name == NULL?(gchar *)"":name,
 188                     event->manual?"Manual":"Auto", event->set_count);
 189
 190         return(buf);
 191 }
 192
 193 /* The old handles/semdel.c */
 194 int mini_wapi_semdel (int argc, char **argv)
 195 {
 196         int sem_id, ret;
 197
 198         _wapi_shared_layout = _wapi_shm_attach(WAPI_SHM_DATA);
 199         if (_wapi_shared_layout == FALSE ||
 200             _wapi_shared_layout->sem_key == 0) {
 201                 exit (0);
 202         }
 203
 204         sem_id = semget (_wapi_shared_layout->sem_key, _WAPI_SHARED_SEM_COUNT, 0600);
 205         if (sem_id != -1) {
 206                 ret = semctl (sem_id, 0, IPC_RMID);
 207                 if (ret == -1) {
 208                         g_message ("Error deleting semaphore: %s",
 209                                    g_strerror (errno));
 210                 }
 211         }
 212
 213         exit (0);
 214 }
 215
 216 static void sem_explain (int sem_id, ushort *vals, int which)
 217 {
 218         pid_t pid;
 219
 220         g_print ("%d ", vals[which]);
 221         if (vals[which] >= 1) {
 222                 g_print ("(Unlocked)");
 223         } else {
 224                 pid = semctl (sem_id, which, GETPID);
 225
 226                 g_print ("(Locked by %d)", pid);
 227         }
 228         g_print ("\n");
 229 }
 230
 231 int mini_wapi_seminfo (int argc, char **argv)
 232 {
 233         int sem_id, ret;
 234         union semun
 235         {
 236                 int val;
 237                 struct semid_ds *buf;
 238                 ushort *array;
 239         } arg;
 240         ushort vals[_WAPI_SHARED_SEM_COUNT];
 241
 242         _wapi_shared_layout = _wapi_shm_attach (WAPI_SHM_DATA);
 243         if (_wapi_shared_layout == FALSE ||
 244             _wapi_shared_layout->sem_key == 0) {
 245                 exit (0);
 246         }
 247
 248         sem_id = semget (_wapi_shared_layout->sem_key, _WAPI_SHARED_SEM_COUNT, 0600);
 249         if (sem_id != -1) {
 250                 g_print ("Getting values for sem: 0x%x\n",
 251                          _wapi_shared_layout->sem_key);
 252                 arg.array = vals;
 253                 ret = semctl (sem_id, 0, GETALL, arg);
 254                 if (ret != -1) {
 255                         g_print ("Namespace: ");
 256                         sem_explain (sem_id, vals, _WAPI_SHARED_SEM_NAMESPACE);
 257                         g_print ("Fileshare: ");
 258                         sem_explain (sem_id, vals, _WAPI_SHARED_SEM_FILESHARE);
 259                         g_print ("Handles: ");
 260                         sem_explain (sem_id, vals,
 261                                      _WAPI_SHARED_SEM_SHARED_HANDLES);
 262                         g_print ("Count lock: ");
 263                         sem_explain (sem_id, vals,
 264                                      _WAPI_SHARED_SEM_PROCESS_COUNT_LOCK);
 265                         g_print ("Count: %d\n",
 266                                  vals[_WAPI_SHARED_SEM_PROCESS_COUNT]);
 267                 }
 268         }
 269
 270         exit (0);
 271 }
 272
 273 #endif
 274