From 27303d2fd09206a03bc84f90df89cf0d194ce843 Mon Sep 17 00:00:00 2001
From: lijunlong <lijunlong@openresty.com>
Date: Tue, 20 Aug 2024 20:14:38 +0800
Subject: [PATCH] feature: add proc_exit_handler.

---
 patches/nginx-1.19.3-proc_exit_handler.patch | 80 ++++++++++++++++++++
 patches/nginx-1.19.9-proc_exit_handler.patch | 80 ++++++++++++++++++++
 patches/nginx-1.21.3-proc_exit_handler.patch | 80 ++++++++++++++++++++
 patches/nginx-1.21.4-proc_exit_handler.patch | 80 ++++++++++++++++++++
 patches/nginx-1.25.3-proc_exit_handler.patch | 80 ++++++++++++++++++++
 patches/nginx-1.27.0-proc_exit_handler.patch | 80 ++++++++++++++++++++
 patches/nginx-1.27.1-proc_exit_handler.patch | 80 ++++++++++++++++++++
 util/mirror-tarballs                         |  7 ++
 8 files changed, 567 insertions(+)
 create mode 100644 patches/nginx-1.19.3-proc_exit_handler.patch
 create mode 100644 patches/nginx-1.19.9-proc_exit_handler.patch
 create mode 100644 patches/nginx-1.21.3-proc_exit_handler.patch
 create mode 100644 patches/nginx-1.21.4-proc_exit_handler.patch
 create mode 100644 patches/nginx-1.25.3-proc_exit_handler.patch
 create mode 100644 patches/nginx-1.27.0-proc_exit_handler.patch
 create mode 100644 patches/nginx-1.27.1-proc_exit_handler.patch

diff --git a/patches/nginx-1.19.3-proc_exit_handler.patch b/patches/nginx-1.19.3-proc_exit_handler.patch
new file mode 100644
index 0000000..62f42a1
--- /dev/null
+++ b/patches/nginx-1.19.3-proc_exit_handler.patch
@@ -0,0 +1,80 @@
+commit 29cafd35fb2b7cff759fb4c9b84fa4600875321f
+Author: lijunlong <lijunlong@openresty.com>
+Date:   Sun Apr 11 14:34:47 2021 +0800
+
+    feature: added a process exit callback point.
+
+diff --git a/src/core/ngx_cycle.c b/src/core/ngx_cycle.c
+index d7479fa4..c421e43c 100644
+--- a/src/core/ngx_cycle.c
++++ b/src/core/ngx_cycle.c
+@@ -255,6 +255,7 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
+     }
+ 
+ 
++    ngx_proc_exit_top_handler = ngx_proc_exit_def_handler;
+     conf.ctx = cycle->conf_ctx;
+     conf.cycle = cycle;
+     conf.pool = pool;
+diff --git a/src/os/unix/ngx_process.c b/src/os/unix/ngx_process.c
+index 15680237..9d2e81c5 100644
+--- a/src/os/unix/ngx_process.c
++++ b/src/os/unix/ngx_process.c
+@@ -34,6 +34,7 @@ ngx_int_t        ngx_process_slot;
+ ngx_socket_t     ngx_channel;
+ ngx_int_t        ngx_last_process;
+ ngx_process_t    ngx_processes[NGX_MAX_PROCESSES];
++ngx_proc_exit_pt ngx_proc_exit_top_handler;
+ 
+ 
+ ngx_signal_t  signals[] = {
+@@ -83,6 +84,13 @@ ngx_signal_t  signals[] = {
+ };
+ 
+ 
++void
++ngx_proc_exit_def_handler(ngx_pid_t pid)
++{
++    /* do nothing */
++}
++
++
+ ngx_pid_t
+ ngx_spawn_process(ngx_cycle_t *cycle, ngx_spawn_proc_pt proc, void *data,
+     char *name, ngx_int_t respawn)
+@@ -557,6 +565,7 @@ ngx_process_get_status(void)
+         }
+ 
+         ngx_unlock_mutexes(pid);
++        ngx_proc_exit_top_handler(pid);
+     }
+ }
+ 
+diff --git a/src/os/unix/ngx_process.h b/src/os/unix/ngx_process.h
+index 3986639b..c5972541 100644
+--- a/src/os/unix/ngx_process.h
++++ b/src/os/unix/ngx_process.h
+@@ -18,6 +18,7 @@ typedef pid_t       ngx_pid_t;
+ #define NGX_INVALID_PID  -1
+ 
+ typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data);
++typedef void (*ngx_proc_exit_pt)(ngx_pid_t pid);
+ 
+ typedef struct {
+     ngx_pid_t           pid;
+@@ -66,6 +67,7 @@ ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
+ ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx);
+ ngx_int_t ngx_init_signals(ngx_log_t *log);
+ void ngx_debug_point(void);
++void ngx_proc_exit_def_handler(ngx_pid_t pid);
+ 
+ 
+ #if (NGX_HAVE_SCHED_YIELD)
+@@ -85,6 +87,7 @@ extern ngx_socket_t   ngx_channel;
+ extern ngx_int_t      ngx_process_slot;
+ extern ngx_int_t      ngx_last_process;
+ extern ngx_process_t  ngx_processes[NGX_MAX_PROCESSES];
++extern ngx_proc_exit_pt  ngx_proc_exit_top_handler;
+ 
+ 
+ #endif /* _NGX_PROCESS_H_INCLUDED_ */
diff --git a/patches/nginx-1.19.9-proc_exit_handler.patch b/patches/nginx-1.19.9-proc_exit_handler.patch
new file mode 100644
index 0000000..62f42a1
--- /dev/null
+++ b/patches/nginx-1.19.9-proc_exit_handler.patch
@@ -0,0 +1,80 @@
+commit 29cafd35fb2b7cff759fb4c9b84fa4600875321f
+Author: lijunlong <lijunlong@openresty.com>
+Date:   Sun Apr 11 14:34:47 2021 +0800
+
+    feature: added a process exit callback point.
+
+diff --git a/src/core/ngx_cycle.c b/src/core/ngx_cycle.c
+index d7479fa4..c421e43c 100644
+--- a/src/core/ngx_cycle.c
++++ b/src/core/ngx_cycle.c
+@@ -255,6 +255,7 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
+     }
+ 
+ 
++    ngx_proc_exit_top_handler = ngx_proc_exit_def_handler;
+     conf.ctx = cycle->conf_ctx;
+     conf.cycle = cycle;
+     conf.pool = pool;
+diff --git a/src/os/unix/ngx_process.c b/src/os/unix/ngx_process.c
+index 15680237..9d2e81c5 100644
+--- a/src/os/unix/ngx_process.c
++++ b/src/os/unix/ngx_process.c
+@@ -34,6 +34,7 @@ ngx_int_t        ngx_process_slot;
+ ngx_socket_t     ngx_channel;
+ ngx_int_t        ngx_last_process;
+ ngx_process_t    ngx_processes[NGX_MAX_PROCESSES];
++ngx_proc_exit_pt ngx_proc_exit_top_handler;
+ 
+ 
+ ngx_signal_t  signals[] = {
+@@ -83,6 +84,13 @@ ngx_signal_t  signals[] = {
+ };
+ 
+ 
++void
++ngx_proc_exit_def_handler(ngx_pid_t pid)
++{
++    /* do nothing */
++}
++
++
+ ngx_pid_t
+ ngx_spawn_process(ngx_cycle_t *cycle, ngx_spawn_proc_pt proc, void *data,
+     char *name, ngx_int_t respawn)
+@@ -557,6 +565,7 @@ ngx_process_get_status(void)
+         }
+ 
+         ngx_unlock_mutexes(pid);
++        ngx_proc_exit_top_handler(pid);
+     }
+ }
+ 
+diff --git a/src/os/unix/ngx_process.h b/src/os/unix/ngx_process.h
+index 3986639b..c5972541 100644
+--- a/src/os/unix/ngx_process.h
++++ b/src/os/unix/ngx_process.h
+@@ -18,6 +18,7 @@ typedef pid_t       ngx_pid_t;
+ #define NGX_INVALID_PID  -1
+ 
+ typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data);
++typedef void (*ngx_proc_exit_pt)(ngx_pid_t pid);
+ 
+ typedef struct {
+     ngx_pid_t           pid;
+@@ -66,6 +67,7 @@ ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
+ ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx);
+ ngx_int_t ngx_init_signals(ngx_log_t *log);
+ void ngx_debug_point(void);
++void ngx_proc_exit_def_handler(ngx_pid_t pid);
+ 
+ 
+ #if (NGX_HAVE_SCHED_YIELD)
+@@ -85,6 +87,7 @@ extern ngx_socket_t   ngx_channel;
+ extern ngx_int_t      ngx_process_slot;
+ extern ngx_int_t      ngx_last_process;
+ extern ngx_process_t  ngx_processes[NGX_MAX_PROCESSES];
++extern ngx_proc_exit_pt  ngx_proc_exit_top_handler;
+ 
+ 
+ #endif /* _NGX_PROCESS_H_INCLUDED_ */
diff --git a/patches/nginx-1.21.3-proc_exit_handler.patch b/patches/nginx-1.21.3-proc_exit_handler.patch
new file mode 100644
index 0000000..62f42a1
--- /dev/null
+++ b/patches/nginx-1.21.3-proc_exit_handler.patch
@@ -0,0 +1,80 @@
+commit 29cafd35fb2b7cff759fb4c9b84fa4600875321f
+Author: lijunlong <lijunlong@openresty.com>
+Date:   Sun Apr 11 14:34:47 2021 +0800
+
+    feature: added a process exit callback point.
+
+diff --git a/src/core/ngx_cycle.c b/src/core/ngx_cycle.c
+index d7479fa4..c421e43c 100644
+--- a/src/core/ngx_cycle.c
++++ b/src/core/ngx_cycle.c
+@@ -255,6 +255,7 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
+     }
+ 
+ 
++    ngx_proc_exit_top_handler = ngx_proc_exit_def_handler;
+     conf.ctx = cycle->conf_ctx;
+     conf.cycle = cycle;
+     conf.pool = pool;
+diff --git a/src/os/unix/ngx_process.c b/src/os/unix/ngx_process.c
+index 15680237..9d2e81c5 100644
+--- a/src/os/unix/ngx_process.c
++++ b/src/os/unix/ngx_process.c
+@@ -34,6 +34,7 @@ ngx_int_t        ngx_process_slot;
+ ngx_socket_t     ngx_channel;
+ ngx_int_t        ngx_last_process;
+ ngx_process_t    ngx_processes[NGX_MAX_PROCESSES];
++ngx_proc_exit_pt ngx_proc_exit_top_handler;
+ 
+ 
+ ngx_signal_t  signals[] = {
+@@ -83,6 +84,13 @@ ngx_signal_t  signals[] = {
+ };
+ 
+ 
++void
++ngx_proc_exit_def_handler(ngx_pid_t pid)
++{
++    /* do nothing */
++}
++
++
+ ngx_pid_t
+ ngx_spawn_process(ngx_cycle_t *cycle, ngx_spawn_proc_pt proc, void *data,
+     char *name, ngx_int_t respawn)
+@@ -557,6 +565,7 @@ ngx_process_get_status(void)
+         }
+ 
+         ngx_unlock_mutexes(pid);
++        ngx_proc_exit_top_handler(pid);
+     }
+ }
+ 
+diff --git a/src/os/unix/ngx_process.h b/src/os/unix/ngx_process.h
+index 3986639b..c5972541 100644
+--- a/src/os/unix/ngx_process.h
++++ b/src/os/unix/ngx_process.h
+@@ -18,6 +18,7 @@ typedef pid_t       ngx_pid_t;
+ #define NGX_INVALID_PID  -1
+ 
+ typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data);
++typedef void (*ngx_proc_exit_pt)(ngx_pid_t pid);
+ 
+ typedef struct {
+     ngx_pid_t           pid;
+@@ -66,6 +67,7 @@ ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
+ ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx);
+ ngx_int_t ngx_init_signals(ngx_log_t *log);
+ void ngx_debug_point(void);
++void ngx_proc_exit_def_handler(ngx_pid_t pid);
+ 
+ 
+ #if (NGX_HAVE_SCHED_YIELD)
+@@ -85,6 +87,7 @@ extern ngx_socket_t   ngx_channel;
+ extern ngx_int_t      ngx_process_slot;
+ extern ngx_int_t      ngx_last_process;
+ extern ngx_process_t  ngx_processes[NGX_MAX_PROCESSES];
++extern ngx_proc_exit_pt  ngx_proc_exit_top_handler;
+ 
+ 
+ #endif /* _NGX_PROCESS_H_INCLUDED_ */
diff --git a/patches/nginx-1.21.4-proc_exit_handler.patch b/patches/nginx-1.21.4-proc_exit_handler.patch
new file mode 100644
index 0000000..62f42a1
--- /dev/null
+++ b/patches/nginx-1.21.4-proc_exit_handler.patch
@@ -0,0 +1,80 @@
+commit 29cafd35fb2b7cff759fb4c9b84fa4600875321f
+Author: lijunlong <lijunlong@openresty.com>
+Date:   Sun Apr 11 14:34:47 2021 +0800
+
+    feature: added a process exit callback point.
+
+diff --git a/src/core/ngx_cycle.c b/src/core/ngx_cycle.c
+index d7479fa4..c421e43c 100644
+--- a/src/core/ngx_cycle.c
++++ b/src/core/ngx_cycle.c
+@@ -255,6 +255,7 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
+     }
+ 
+ 
++    ngx_proc_exit_top_handler = ngx_proc_exit_def_handler;
+     conf.ctx = cycle->conf_ctx;
+     conf.cycle = cycle;
+     conf.pool = pool;
+diff --git a/src/os/unix/ngx_process.c b/src/os/unix/ngx_process.c
+index 15680237..9d2e81c5 100644
+--- a/src/os/unix/ngx_process.c
++++ b/src/os/unix/ngx_process.c
+@@ -34,6 +34,7 @@ ngx_int_t        ngx_process_slot;
+ ngx_socket_t     ngx_channel;
+ ngx_int_t        ngx_last_process;
+ ngx_process_t    ngx_processes[NGX_MAX_PROCESSES];
++ngx_proc_exit_pt ngx_proc_exit_top_handler;
+ 
+ 
+ ngx_signal_t  signals[] = {
+@@ -83,6 +84,13 @@ ngx_signal_t  signals[] = {
+ };
+ 
+ 
++void
++ngx_proc_exit_def_handler(ngx_pid_t pid)
++{
++    /* do nothing */
++}
++
++
+ ngx_pid_t
+ ngx_spawn_process(ngx_cycle_t *cycle, ngx_spawn_proc_pt proc, void *data,
+     char *name, ngx_int_t respawn)
+@@ -557,6 +565,7 @@ ngx_process_get_status(void)
+         }
+ 
+         ngx_unlock_mutexes(pid);
++        ngx_proc_exit_top_handler(pid);
+     }
+ }
+ 
+diff --git a/src/os/unix/ngx_process.h b/src/os/unix/ngx_process.h
+index 3986639b..c5972541 100644
+--- a/src/os/unix/ngx_process.h
++++ b/src/os/unix/ngx_process.h
+@@ -18,6 +18,7 @@ typedef pid_t       ngx_pid_t;
+ #define NGX_INVALID_PID  -1
+ 
+ typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data);
++typedef void (*ngx_proc_exit_pt)(ngx_pid_t pid);
+ 
+ typedef struct {
+     ngx_pid_t           pid;
+@@ -66,6 +67,7 @@ ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
+ ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx);
+ ngx_int_t ngx_init_signals(ngx_log_t *log);
+ void ngx_debug_point(void);
++void ngx_proc_exit_def_handler(ngx_pid_t pid);
+ 
+ 
+ #if (NGX_HAVE_SCHED_YIELD)
+@@ -85,6 +87,7 @@ extern ngx_socket_t   ngx_channel;
+ extern ngx_int_t      ngx_process_slot;
+ extern ngx_int_t      ngx_last_process;
+ extern ngx_process_t  ngx_processes[NGX_MAX_PROCESSES];
++extern ngx_proc_exit_pt  ngx_proc_exit_top_handler;
+ 
+ 
+ #endif /* _NGX_PROCESS_H_INCLUDED_ */
diff --git a/patches/nginx-1.25.3-proc_exit_handler.patch b/patches/nginx-1.25.3-proc_exit_handler.patch
new file mode 100644
index 0000000..62f42a1
--- /dev/null
+++ b/patches/nginx-1.25.3-proc_exit_handler.patch
@@ -0,0 +1,80 @@
+commit 29cafd35fb2b7cff759fb4c9b84fa4600875321f
+Author: lijunlong <lijunlong@openresty.com>
+Date:   Sun Apr 11 14:34:47 2021 +0800
+
+    feature: added a process exit callback point.
+
+diff --git a/src/core/ngx_cycle.c b/src/core/ngx_cycle.c
+index d7479fa4..c421e43c 100644
+--- a/src/core/ngx_cycle.c
++++ b/src/core/ngx_cycle.c
+@@ -255,6 +255,7 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
+     }
+ 
+ 
++    ngx_proc_exit_top_handler = ngx_proc_exit_def_handler;
+     conf.ctx = cycle->conf_ctx;
+     conf.cycle = cycle;
+     conf.pool = pool;
+diff --git a/src/os/unix/ngx_process.c b/src/os/unix/ngx_process.c
+index 15680237..9d2e81c5 100644
+--- a/src/os/unix/ngx_process.c
++++ b/src/os/unix/ngx_process.c
+@@ -34,6 +34,7 @@ ngx_int_t        ngx_process_slot;
+ ngx_socket_t     ngx_channel;
+ ngx_int_t        ngx_last_process;
+ ngx_process_t    ngx_processes[NGX_MAX_PROCESSES];
++ngx_proc_exit_pt ngx_proc_exit_top_handler;
+ 
+ 
+ ngx_signal_t  signals[] = {
+@@ -83,6 +84,13 @@ ngx_signal_t  signals[] = {
+ };
+ 
+ 
++void
++ngx_proc_exit_def_handler(ngx_pid_t pid)
++{
++    /* do nothing */
++}
++
++
+ ngx_pid_t
+ ngx_spawn_process(ngx_cycle_t *cycle, ngx_spawn_proc_pt proc, void *data,
+     char *name, ngx_int_t respawn)
+@@ -557,6 +565,7 @@ ngx_process_get_status(void)
+         }
+ 
+         ngx_unlock_mutexes(pid);
++        ngx_proc_exit_top_handler(pid);
+     }
+ }
+ 
+diff --git a/src/os/unix/ngx_process.h b/src/os/unix/ngx_process.h
+index 3986639b..c5972541 100644
+--- a/src/os/unix/ngx_process.h
++++ b/src/os/unix/ngx_process.h
+@@ -18,6 +18,7 @@ typedef pid_t       ngx_pid_t;
+ #define NGX_INVALID_PID  -1
+ 
+ typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data);
++typedef void (*ngx_proc_exit_pt)(ngx_pid_t pid);
+ 
+ typedef struct {
+     ngx_pid_t           pid;
+@@ -66,6 +67,7 @@ ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
+ ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx);
+ ngx_int_t ngx_init_signals(ngx_log_t *log);
+ void ngx_debug_point(void);
++void ngx_proc_exit_def_handler(ngx_pid_t pid);
+ 
+ 
+ #if (NGX_HAVE_SCHED_YIELD)
+@@ -85,6 +87,7 @@ extern ngx_socket_t   ngx_channel;
+ extern ngx_int_t      ngx_process_slot;
+ extern ngx_int_t      ngx_last_process;
+ extern ngx_process_t  ngx_processes[NGX_MAX_PROCESSES];
++extern ngx_proc_exit_pt  ngx_proc_exit_top_handler;
+ 
+ 
+ #endif /* _NGX_PROCESS_H_INCLUDED_ */
diff --git a/patches/nginx-1.27.0-proc_exit_handler.patch b/patches/nginx-1.27.0-proc_exit_handler.patch
new file mode 100644
index 0000000..62f42a1
--- /dev/null
+++ b/patches/nginx-1.27.0-proc_exit_handler.patch
@@ -0,0 +1,80 @@
+commit 29cafd35fb2b7cff759fb4c9b84fa4600875321f
+Author: lijunlong <lijunlong@openresty.com>
+Date:   Sun Apr 11 14:34:47 2021 +0800
+
+    feature: added a process exit callback point.
+
+diff --git a/src/core/ngx_cycle.c b/src/core/ngx_cycle.c
+index d7479fa4..c421e43c 100644
+--- a/src/core/ngx_cycle.c
++++ b/src/core/ngx_cycle.c
+@@ -255,6 +255,7 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
+     }
+ 
+ 
++    ngx_proc_exit_top_handler = ngx_proc_exit_def_handler;
+     conf.ctx = cycle->conf_ctx;
+     conf.cycle = cycle;
+     conf.pool = pool;
+diff --git a/src/os/unix/ngx_process.c b/src/os/unix/ngx_process.c
+index 15680237..9d2e81c5 100644
+--- a/src/os/unix/ngx_process.c
++++ b/src/os/unix/ngx_process.c
+@@ -34,6 +34,7 @@ ngx_int_t        ngx_process_slot;
+ ngx_socket_t     ngx_channel;
+ ngx_int_t        ngx_last_process;
+ ngx_process_t    ngx_processes[NGX_MAX_PROCESSES];
++ngx_proc_exit_pt ngx_proc_exit_top_handler;
+ 
+ 
+ ngx_signal_t  signals[] = {
+@@ -83,6 +84,13 @@ ngx_signal_t  signals[] = {
+ };
+ 
+ 
++void
++ngx_proc_exit_def_handler(ngx_pid_t pid)
++{
++    /* do nothing */
++}
++
++
+ ngx_pid_t
+ ngx_spawn_process(ngx_cycle_t *cycle, ngx_spawn_proc_pt proc, void *data,
+     char *name, ngx_int_t respawn)
+@@ -557,6 +565,7 @@ ngx_process_get_status(void)
+         }
+ 
+         ngx_unlock_mutexes(pid);
++        ngx_proc_exit_top_handler(pid);
+     }
+ }
+ 
+diff --git a/src/os/unix/ngx_process.h b/src/os/unix/ngx_process.h
+index 3986639b..c5972541 100644
+--- a/src/os/unix/ngx_process.h
++++ b/src/os/unix/ngx_process.h
+@@ -18,6 +18,7 @@ typedef pid_t       ngx_pid_t;
+ #define NGX_INVALID_PID  -1
+ 
+ typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data);
++typedef void (*ngx_proc_exit_pt)(ngx_pid_t pid);
+ 
+ typedef struct {
+     ngx_pid_t           pid;
+@@ -66,6 +67,7 @@ ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
+ ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx);
+ ngx_int_t ngx_init_signals(ngx_log_t *log);
+ void ngx_debug_point(void);
++void ngx_proc_exit_def_handler(ngx_pid_t pid);
+ 
+ 
+ #if (NGX_HAVE_SCHED_YIELD)
+@@ -85,6 +87,7 @@ extern ngx_socket_t   ngx_channel;
+ extern ngx_int_t      ngx_process_slot;
+ extern ngx_int_t      ngx_last_process;
+ extern ngx_process_t  ngx_processes[NGX_MAX_PROCESSES];
++extern ngx_proc_exit_pt  ngx_proc_exit_top_handler;
+ 
+ 
+ #endif /* _NGX_PROCESS_H_INCLUDED_ */
diff --git a/patches/nginx-1.27.1-proc_exit_handler.patch b/patches/nginx-1.27.1-proc_exit_handler.patch
new file mode 100644
index 0000000..62f42a1
--- /dev/null
+++ b/patches/nginx-1.27.1-proc_exit_handler.patch
@@ -0,0 +1,80 @@
+commit 29cafd35fb2b7cff759fb4c9b84fa4600875321f
+Author: lijunlong <lijunlong@openresty.com>
+Date:   Sun Apr 11 14:34:47 2021 +0800
+
+    feature: added a process exit callback point.
+
+diff --git a/src/core/ngx_cycle.c b/src/core/ngx_cycle.c
+index d7479fa4..c421e43c 100644
+--- a/src/core/ngx_cycle.c
++++ b/src/core/ngx_cycle.c
+@@ -255,6 +255,7 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
+     }
+ 
+ 
++    ngx_proc_exit_top_handler = ngx_proc_exit_def_handler;
+     conf.ctx = cycle->conf_ctx;
+     conf.cycle = cycle;
+     conf.pool = pool;
+diff --git a/src/os/unix/ngx_process.c b/src/os/unix/ngx_process.c
+index 15680237..9d2e81c5 100644
+--- a/src/os/unix/ngx_process.c
++++ b/src/os/unix/ngx_process.c
+@@ -34,6 +34,7 @@ ngx_int_t        ngx_process_slot;
+ ngx_socket_t     ngx_channel;
+ ngx_int_t        ngx_last_process;
+ ngx_process_t    ngx_processes[NGX_MAX_PROCESSES];
++ngx_proc_exit_pt ngx_proc_exit_top_handler;
+ 
+ 
+ ngx_signal_t  signals[] = {
+@@ -83,6 +84,13 @@ ngx_signal_t  signals[] = {
+ };
+ 
+ 
++void
++ngx_proc_exit_def_handler(ngx_pid_t pid)
++{
++    /* do nothing */
++}
++
++
+ ngx_pid_t
+ ngx_spawn_process(ngx_cycle_t *cycle, ngx_spawn_proc_pt proc, void *data,
+     char *name, ngx_int_t respawn)
+@@ -557,6 +565,7 @@ ngx_process_get_status(void)
+         }
+ 
+         ngx_unlock_mutexes(pid);
++        ngx_proc_exit_top_handler(pid);
+     }
+ }
+ 
+diff --git a/src/os/unix/ngx_process.h b/src/os/unix/ngx_process.h
+index 3986639b..c5972541 100644
+--- a/src/os/unix/ngx_process.h
++++ b/src/os/unix/ngx_process.h
+@@ -18,6 +18,7 @@ typedef pid_t       ngx_pid_t;
+ #define NGX_INVALID_PID  -1
+ 
+ typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data);
++typedef void (*ngx_proc_exit_pt)(ngx_pid_t pid);
+ 
+ typedef struct {
+     ngx_pid_t           pid;
+@@ -66,6 +67,7 @@ ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
+ ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx);
+ ngx_int_t ngx_init_signals(ngx_log_t *log);
+ void ngx_debug_point(void);
++void ngx_proc_exit_def_handler(ngx_pid_t pid);
+ 
+ 
+ #if (NGX_HAVE_SCHED_YIELD)
+@@ -85,6 +87,7 @@ extern ngx_socket_t   ngx_channel;
+ extern ngx_int_t      ngx_process_slot;
+ extern ngx_int_t      ngx_last_process;
+ extern ngx_process_t  ngx_processes[NGX_MAX_PROCESSES];
++extern ngx_proc_exit_pt  ngx_proc_exit_top_handler;
+ 
+ 
+ #endif /* _NGX_PROCESS_H_INCLUDED_ */
diff --git a/util/mirror-tarballs b/util/mirror-tarballs
index f0ce6b9..6e5157e 100755
--- a/util/mirror-tarballs
+++ b/util/mirror-tarballs
@@ -541,6 +541,13 @@ echo "$info_txt applying the reuseport_close_unused_fds patch for nginx"
 patch -p1 < $root/patches/nginx-$main_ver-reuseport_close_unused_fds.patch || exit 1
 echo
 
+
+answer=`$root/util/ver-ge "$main_ver" 1.19.9`
+if [ "$answer" = "Y" ]; then
+    echo "$info_txt applying nginx-$main_ver-proc_exit_handler patch for nginx"
+    patch -p1 < $root/patches/nginx-$main_ver-proc_exit_handler.patch || exit 1
+fi
+
 cp $root/html/index.html docs/html/ || exit 1
 cp $root/html/50x.html docs/html/ || exit 1