#ifdef LISP_FEATURE_C_STACK_IS_CONTROL_STACK
/* Signal handlers are run on the control stack, so if it is exhausted
* we had better use an alternate stack for whatever signal tells us
#ifdef LISP_FEATURE_C_STACK_IS_CONTROL_STACK
/* Signal handlers are run on the control stack, so if it is exhausted
* we had better use an alternate stack for whatever signal tells us
* control+status flags */
unsigned int result = (context->uc_mcontext.fpregs->swd & 0x3F) | context->uc_mcontext.fpregs->mxcsr;
/* flip exception mask bits */
* control+status flags */
unsigned int result = (context->uc_mcontext.fpregs->swd & 0x3F) | context->uc_mcontext.fpregs->mxcsr;
/* flip exception mask bits */