[source] procd.sh: use parameterized respawn values

[LEDE Commits]

jow pushed a commit to source.git, branch lede-17.01:
https://git.lede-project.org/56b9f0ffc0cbceabe3636c19baaf6c27f34ebe1e

commit 56b9f0ffc0cbceabe3636c19baaf6c27f34ebe1e
Author: Claudiu Brasovean <cbrasho at gmail.com>
AuthorDate: Tue Feb 28 11:51:01 2017 +0200

    procd.sh: use parameterized respawn values
    
    continue work started here: http://patchwork.ozlabs.org/patch/520859
    
    Extend /etc/config/system with parameters to set the default respawn treshold and respawn timeout
    	for procd launched services that have respawn enabled.
    This results in cleaner init scripts, while making sure services have respawn parameters set.
    
    Signed-off-by: Claudiu Brasovean <cbrasho at gmail.com>
    (cherry picked from commit c70c6ac070223114ee8c9f33e5e416edb005ca83)
---
 package/system/procd/files/procd.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/package/system/procd/files/procd.sh b/package/system/procd/files/procd.sh
index 6347de5..9fbf47e 100644
--- a/package/system/procd/files/procd.sh
+++ b/package/system/procd/files/procd.sh
@@ -351,8 +351,10 @@ _procd_close_instance() {
 	if json_select respawn ; then
 		json_get_values respawn_vals
 		if [ -z "$respawn_vals" ]; then
+			local respawn_threshold=$(uci_get system. at service[0].respawn_threshold)
+			local respawn_timeout=$(uci_get system. at service[0].respawn_timeout)
 			local respawn_retry=$(uci_get system. at service[0].respawn_retry)
-			_procd_add_array_data 3600 5 ${respawn_retry:-5}
+			_procd_add_array_data ${respawn_threshold:-3600} ${respawn_timeout:-5} ${respawn_retry:-5}
 		fi
 		json_select ..
 	fi