[experimental-ims] dc5b18b Improve "waiter" parameter description as discussed in param-audit.

[Poul-Henning Kamp]

commit dc5b18b8e095592c107b16ff911d8e05a6872efb
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Wed Jun 13 12:00:33 2012 +0000

    Improve "waiter" parameter description as discussed in param-audit.

diff --git a/bin/varnishd/mgt/mgt_param.c b/bin/varnishd/mgt/mgt_param.c
index c7834a7..8e3e56d 100644
--- a/bin/varnishd/mgt/mgt_param.c
+++ b/bin/varnishd/mgt/mgt_param.c
@@ -1052,8 +1052,8 @@ static const struct parspec input_parspec[] = {
 		"off", "bool" },
 	{ "waiter", tweak_waiter, NULL, 0, 0,
 		"Select the waiter kernel interface.\n",
-		EXPERIMENTAL | MUST_RESTART,
-		"default", NULL },
+		WIZARD | MUST_RESTART,
+		WAITER_DEFAULT, NULL },
 	{ "diag_bitmap", tweak_diag_bitmap, 0, 0, 0,
 		"Bitmap controlling diagnostics code:\n"
 		"  0x00000001 - CNT_Session states.\n"
diff --git a/bin/varnishd/waiter/mgt_waiter.c b/bin/varnishd/waiter/mgt_waiter.c
index d2816a8..94d90ea 100644
--- a/bin/varnishd/waiter/mgt_waiter.c
+++ b/bin/varnishd/waiter/mgt_waiter.c
@@ -68,14 +68,14 @@ WAIT_tweak_waiter(struct cli *cli, const char *arg)
 		else
 			VCLI_Out(cli, "%s", waiter->name);
 
-		VCLI_Out(cli, " (");
+		VCLI_Out(cli, " (possible values: ");
 		for (i = 0; vca_waiters[i] != NULL; i++)
 			VCLI_Out(cli, "%s%s", i == 0 ? "" : ", ",
 			    vca_waiters[i]->name);
 		VCLI_Out(cli, ")");
 		return;
 	}
-	if (!strcmp(arg, "default")) {
+	if (!strcmp(arg, WAITER_DEFAULT)) {
 		waiter = vca_waiters[0];
 		return;
 	}
diff --git a/bin/varnishd/waiter/waiter.h b/bin/varnishd/waiter/waiter.h
index 9f48884..9f9f795 100644
--- a/bin/varnishd/waiter/waiter.h
+++ b/bin/varnishd/waiter/waiter.h
@@ -33,6 +33,8 @@ struct sess;
 typedef void* waiter_init_f(void);
 typedef void waiter_pass_f(void *priv, const struct sess *);
 
+#define WAITER_DEFAULT		"platform dependent"
+
 struct waiter {
 	const char		*name;
 	waiter_init_f		*init;
diff --git a/bin/varnishtest/tests/b00008.vtc b/bin/varnishtest/tests/b00008.vtc
index cee8d4c..5d447b2 100644
--- a/bin/varnishtest/tests/b00008.vtc
+++ b/bin/varnishtest/tests/b00008.vtc
@@ -30,7 +30,7 @@ varnish v1 -start
 
 varnish v1 -cliok "help"
 
-varnish v1 -cliok "param.set waiter default"
+varnish v1 -cliok "param.set waiter poll"
 
 varnish v1 -clierr 106 "param.set waiter HASH(0x8839c4c)"