Lines Matching defs:altstack

181 // TODO(glider): different tools may require different altstack size.
190   stack_t altstack, oldstack;
198   altstack.ss_size = GetAltStackSize();
199   altstack.ss_sp = (char *)MmapOrDie(altstack.ss_size, __func__);
200   altstack.ss_flags = 0;
201   CHECK_EQ(0, sigaltstack(&altstack, nullptr));
205   stack_t altstack, oldstack;
206   altstack.ss_sp = nullptr;
207   altstack.ss_flags = SS_DISABLE;
208   altstack.ss_size = GetAltStackSize();  // Some sane value required on Darwin.
209   CHECK_EQ(0, sigaltstack(&altstack, &oldstack));