C++ (Cpp) shm_set::find Examples

Example #1

File: ext_ipc.cpp Project: akia/hiphop-php

bool f_shm_detach(int64 shm_identifier) {
  Lock lock(g_shm_mutex);
  set<sysvshm_shm*>::iterator iter = g_shms.find((sysvshm_shm*)shm_identifier);
  if (iter == g_shms.end()) {
    raise_warning("%lld is not a SysV shared memory index", shm_identifier);
    return false;
  }
  g_shms.erase(iter);
  delete *iter;
  return true;
}

Example #2

File: ext_ipc.cpp Project: BauerBox/hiphop-php

bool f_shm_has_var(int64 shm_identifier, int64 variable_key) {
  Lock lock(g_shm_mutex);
  std::set<sysvshm_shm*>::iterator iter =
    g_shms.find((sysvshm_shm*)shm_identifier);
  if (iter == g_shms.end()) {
    raise_warning("%" PRId64 " is not a SysV shared memory index",
                  shm_identifier);
    return false;
  }
  sysvshm_shm *shm_list_ptr = *iter;

  long shm_varpos = check_shm_data(shm_list_ptr->ptr, variable_key);
  return shm_varpos >= 0;
}

Example #3

File: ext_ipc.cpp Project: akia/hiphop-php

bool f_shm_remove(int64 shm_identifier) {
  Lock lock(g_shm_mutex);
  set<sysvshm_shm*>::iterator iter = g_shms.find((sysvshm_shm*)shm_identifier);
  if (iter == g_shms.end()) {
    raise_warning("%lld is not a SysV shared memory index", shm_identifier);
    return false;
  }
  sysvshm_shm *shm_list_ptr = *iter;

  if (shmctl(shm_list_ptr->id, IPC_RMID,NULL) < 0) {
    raise_warning("failed for key 0x%x, id %lld: %s", shm_list_ptr->key,
                    shm_identifier, Util::safe_strerror(errno).c_str());
    return false;
  }
  return true;
}

Example #4

File: ext_ipc.cpp Project: akia/hiphop-php

bool f_shm_remove_var(int64 shm_identifier, int64 variable_key) {
  Lock lock(g_shm_mutex);
  set<sysvshm_shm*>::iterator iter = g_shms.find((sysvshm_shm*)shm_identifier);
  if (iter == g_shms.end()) {
    raise_warning("%lld is not a SysV shared memory index", shm_identifier);
    return false;
  }
  sysvshm_shm *shm_list_ptr = *iter;

  long shm_varpos = check_shm_data(shm_list_ptr->ptr, variable_key);
  if (shm_varpos < 0) {
    raise_warning("variable key %lld doesn't exist", variable_key);
    return false;
  }
  remove_shm_data(shm_list_ptr->ptr, shm_varpos);
  return true;
}

Example #5

File: ext_ipc.cpp Project: akia/hiphop-php

Variant f_shm_get_var(int64 shm_identifier, int64 variable_key) {
  Lock lock(g_shm_mutex);
  set<sysvshm_shm*>::iterator iter = g_shms.find((sysvshm_shm*)shm_identifier);
  if (iter == g_shms.end()) {
    raise_warning("%lld is not a SysV shared memory index", shm_identifier);
    return false;
  }
  sysvshm_shm *shm_list_ptr = *iter;

  long shm_varpos = check_shm_data(shm_list_ptr->ptr, variable_key);
  if (shm_varpos < 0) {
    return false;
  }

  sysvshm_chunk *shm_var =
    (sysvshm_chunk*)((char *)shm_list_ptr->ptr + shm_varpos);
  return f_unserialize(String(&shm_var->mem, shm_var->length, AttachLiteral));
}

Example #6

File: ext_ipc.cpp Project: akia/hiphop-php

bool f_shm_put_var(int64 shm_identifier, int64 variable_key,
                   CVarRef variable) {
  Lock lock(g_shm_mutex);
  set<sysvshm_shm*>::iterator iter = g_shms.find((sysvshm_shm*)shm_identifier);
  if (iter == g_shms.end()) {
    raise_warning("%lld is not a SysV shared memory index", shm_identifier);
    return false;
  }
  sysvshm_shm *shm_list_ptr = *iter;

  /* setup string-variable and serialize */
  String serialized = f_serialize(variable);

  /* insert serialized variable into shared memory */
  int ret = put_shm_data(shm_list_ptr->ptr, variable_key,
                         (char*)serialized.data(), serialized.size());
  if (ret == -1) {
    raise_warning("not enough shared memory left");
    return false;
  }
  return true;
}