Lines Matching refs:old_stack
129 // and (if it exists) the previously installed stack in old_stack.
130 stack_t old_stack;
141 memset(&old_stack, 0, sizeof(old_stack));
151 if (sys_sigaltstack(NULL, &old_stack) == -1 || !old_stack.ss_sp ||
152 old_stack.ss_size < kSigStackSize) {
173 // Only restore the old_stack if the current alternative stack is the one
176 if (old_stack.ss_sp) {
177 if (sys_sigaltstack(&old_stack, NULL) == -1)
