nginx: do not reduce max processes

Use the upstream value for NGX_MAX_PROCESSES (=1024) again.
So it is safe to use `worker_processes auto;` (which sets it to
the number of CPUs). Also use this directive in the conf instead
of calculating the number in the init and passing it as argument.

Signed-off-by: Peter Stadler <peter.stadler@student.uibk.ac.at>

net/nginx/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=nginx
 PKG_VERSION:=1.17.10
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE:=nginx-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://nginx.org/download/

net/nginx/files/nginx.conf

@@ -1,6 +1,8 @@
 # Please consider creating files in /etc/nginx/conf.d/ instead of editing this.
 # For details see https://openwrt.org/docs/guide-user/services/webserver/nginx
 
+worker_processes auto;
+
 user root;
 
 events {}

net/nginx/files/nginx.init

@@ -16,9 +16,8 @@ start_service() {
 	${NGINX_UTIL} init_lan
 
 	procd_open_instance
-	NCPUS="$(grep -c '^processor\s*:' /proc/cpuinfo)"
 	procd_set_param command /usr/sbin/nginx -c "${NGINX_CONF}" \
-		-g "daemon off; worker_processes $NCPUS;"
+		-g "daemon off;"
 	procd_set_param stdout 1
 	procd_set_param stderr 1
 	procd_set_param file "${LAN_LISTEN}" "${LAN_LISTEN}.default" \

net/nginx/patches/300-max-processes.patch

@@ -1,11 +0,0 @@
---- a/src/os/unix/ngx_process.h
-+++ b/src/os/unix/ngx_process.h
-@@ -44,7 +44,7 @@ typedef struct {
- } ngx_exec_ctx_t;
- 
- 
--#define NGX_MAX_PROCESSES         1024
-+#define NGX_MAX_PROCESSES         8
- 
- #define NGX_PROCESS_NORESPAWN     -1
- #define NGX_PROCESS_JUST_SPAWN    -2