X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=doc%2Finternals%2Fsignals.texinfo;h=e5cfceb4d39d019f16376b173ad728eaebc9c94e;hb=ae09f8fd7765f6cab6ad317a13e27ff22ab0c11e;hp=33c0adf6c72d7d8bca154f25e546f9d5f4d5f479;hpb=85e1967527101d2d8a4c0f5d37857cf731690733;p=sbcl.git

diff --git a/doc/internals/signals.texinfo b/doc/internals/signals.texinfo
index 33c0adf..e5cfceb 100644
--- a/doc/internals/signals.texinfo
+++ b/doc/internals/signals.texinfo
@@ -145,6 +145,10 @@ derive the rule: in a @code{WITHOUT-GCING} form (or pseudo atomic for
 that matter) never wait for another thread that's not in
 @code{WITHOUT-GCING}.
 
+Somewhat of a special case, it is enforced by the runtime that
+@code{SIG_STOP_FOR_GC} and @code{SIG_RESUME_FROM_GC} always unblocked
+when we might trigger a gc (i.e. on alloc or calling into Lisp).
+
 @subsection Calling user code
 
 For the reasons above, calling user code, i.e. functions passed in, or