blockquote>
<div><p>Executes BODY with all deferrable interrupts disabled. Deferrable
interrupts arriving during execution of the BODY take effect after BODY has
been executed.</p>
<p>Deferrable interrupts include most blockable POSIX signals, and
SB-THREAD:INTERRUPT-THREAD. Does not interfere with garbage collection, and
unlike in many traditional Lisps using userspace threads, in SBCL
WITHOUT-INTERRUPTS does not inhibit scheduling of other threads.</p>
<p>Binds ALLOW-WITH-INTERRUPTS and WITH-LOCAL-INTERRU