tests: support alternative names of select syscall

* tests/select.awk: Recognize "_newselect" as another name of "select".
* tests/select.test: Try alternative names of select syscall.

tests/select.awk

@@ -1,7 +1,8 @@
 BEGIN {
-	r[1] = "^select\\(2, \\[0 1\\], \\[0 1\\], \\[0 1\\], NULL\\) += 1 \\(\\)$"
-	r[2] = "^select\\(-1, NULL, 0x[0-9a-f]+, NULL, NULL\\) += -1 "
-	r[3] = "^select\\(1025, \\[0\\], \\[\\], NULL, \\{0, 100\\}\\) += 0 \\(Timeout\\)$"
+	select = "^(select|_newselect)"
+	r[1] = select "\\(2, \\[0 1\\], \\[0 1\\], \\[0 1\\], NULL\\) += 1 \\(\\)$"
+	r[2] = select "\\(-1, NULL, 0x[0-9a-f]+, NULL, NULL\\) += -1 "
+	r[3] = select "\\(1025, \\[0\\], \\[\\], NULL, \\{0, 100\\}\\) += 0 \\(Timeout\\)$"
 	r[4] = "^\\+\\+\\+ exited with 0 \\+\\+\\+$"
 	lines = 4
 	fail = 0

tests/select.test

@@ -9,7 +9,17 @@ check_prog awk
 ./select ||
 	framework_skip_ 'select syscall does not behave as expected'
 
-args="-eselect ./select"
+syscall=
+for n in select _newselect; do
+	if $STRACE -e$n -h > /dev/null; then
+		syscall=$n
+		break
+	fi
+done
+[ -n "$syscall" ] ||
+	fail_ "$STRACE does not support select syscall?"
+
+args="-e$syscall ./select"
 $STRACE -o "$LOG" $args || {
 	cat "$LOG"
 	fail_ "$STRACE $args failed"