defconst, defvar: proclaim special at compile-time

[bpt/guile.git] / libguile / filesys.c

diff --git a/libguile/filesys.c b/libguile/filesys.c
index 204d74e..95d1a9d 100644 (file)
--- a/libguile/filesys.c
+++ b/libguile/filesys.c
@@ -774,8 +774,13 @@ SCM_DEFINE (scm_select, "select", 3, 2, 0,
            "This procedure has a variety of uses: waiting for the ability\n"
            "to provide input, accept output, or the existence of\n"
            "exceptional conditions on a collection of ports or file\n"
-           "descriptors, or waiting for a timeout to occur.\n"
-           "It also returns if interrupted by a signal.\n\n"
+           "descriptors, or waiting for a timeout to occur.\n\n"
+
+           "When an error occurs, of if it is interrupted by a signal, this\n"
+           "procedure throws a @code{system-error} exception\n"
+           "(@pxref{Conventions, @code{system-error}}).  In case of an\n"
+           "interruption, the associated error number is @var{EINTR}.\n\n"
+
            "@var{reads}, @var{writes} and @var{excepts} can be lists or\n"
            "vectors, with each member a port or a file descriptor.\n"
            "The value returned is a list of three corresponding\n"