read builtin timeouts no longer use SIGALRM

tests/case.tests

@@ -66,8 +66,6 @@ case " " in ( [" "] ) echo ok;; ( * ) echo no;; esac
 case esac in (esac) echo esac;; esac
 case k in else|done|time|esac) for f in 1 2 3 ; do :; done esac
 
-
-
 # tests of quote removal and pattern matching
 ${THIS_SH} ./case1.sub
 ${THIS_SH} ./case2.sub

tests/read.right

@@ -39,9 +39,10 @@ timeout 2: ok
 unset or null 2
 timeout 3: ok
 unset or null 3
-./read2.sub: line 43: read: -3: invalid timeout specification
+./read2.sub: line 45: read: -3: invalid timeout specification
 1
 
+abcde
 abcde
 ./read3.sub: line 17: read: -1: invalid number
 abc

tests/read2.sub

@@ -11,6 +11,8 @@
 #   You should have received a copy of the GNU General Public License
 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
+: ${TMPDIR:=/var/tmp}
+
 a=4
 
 read -t 1 a < /dev/tty
@@ -50,3 +52,21 @@ echo abcde | {
 	read -t 0.5 a
 	echo $a
 }
+
+read -t .0001 a <<<abcde
+echo $a
+
+# this is the original test that prompted the change to sh_timers
+cd $TMPDIR
+rm -f a.pipe
+mkfifo a.pipe
+exec 9<> a.pipe
+rm -f a.pipe
+
+for c in {0..2000}; do
+  (eval "echo {0..$c}" & read -u 9 -t 0.0001) >/dev/null
+  printf $'ok %d' "$c" >/dev/null
+done
+
+cd $OLDPWD
+rm -f $TMPDIR/a.pipe		# paranoia

tests/read7.sub

@@ -13,7 +13,7 @@
 #
 # test behavior of native readline timeouts
 
-read -t 0.001 -e var
+read -t 0.00001 -e var
 estat=$?
 if [ $estat -gt 128 ]; then
 	echo timeout 1: ok
@@ -40,7 +40,7 @@ else
 fi
 echo ${var:-unset or null 3}
 
-sleep 2 | read -t 1 -e a
+sleep 1 | read -t 0.25 -e a
 estat=$?
 if [ $estat -gt 128 ]; then
 	echo timeout 4: ok
@@ -50,6 +50,6 @@ fi
 
 # the above should all time out
 echo abcde | {
-	read -e -t 2 a
+	read -e -t 0.5 a
 	echo $a
 }