Initial commit

2022-05-31 12:35:46 -04:00
commit fc5cb0c32c
4097 changed files with 447075 additions and 0 deletions
@@ -0,0 +1,88 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) Nginx, Inc.
+ */
+
+
+#ifndef _NGX_PROCESS_H_INCLUDED_
+#define _NGX_PROCESS_H_INCLUDED_
+
+
+#include <ngx_setaffinity.h>
+#include <ngx_setproctitle.h>
+
+
+typedef pid_t       ngx_pid_t;
+
+#define NGX_INVALID_PID  -1
+
+typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data);
+
+typedef struct {
+    ngx_pid_t           pid;
+    int                 status;
+    ngx_socket_t        channel[2];
+
+    ngx_spawn_proc_pt   proc;
+    void               *data;
+    char               *name;
+
+    unsigned            respawn:1;
+    unsigned            just_spawn:1;
+    unsigned            detached:1;
+    unsigned            exiting:1;
+    unsigned            exited:1;
+} ngx_process_t;
+
+
+typedef struct {
+    char         *path;
+    char         *name;
+    char *const  *argv;
+    char *const  *envp;
+} ngx_exec_ctx_t;
+
+
+#define NGX_MAX_PROCESSES         1024
+
+#define NGX_PROCESS_NORESPAWN     -1
+#define NGX_PROCESS_JUST_SPAWN    -2
+#define NGX_PROCESS_RESPAWN       -3
+#define NGX_PROCESS_JUST_RESPAWN  -4
+#define NGX_PROCESS_DETACHED      -5
+
+
+#define ngx_getpid   getpid
+
+#ifndef ngx_log_pid
+#define ngx_log_pid  ngx_pid
+#endif
+
+
+ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
+    ngx_spawn_proc_pt proc, void *data, char *name, ngx_int_t respawn);
+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);
+
+
+#if (NGX_HAVE_SCHED_YIELD)
+#define ngx_sched_yield()  sched_yield()
+#else
+#define ngx_sched_yield()  usleep(1)
+#endif
+
+
+extern int            ngx_argc;
+extern char         **ngx_argv;
+extern char         **ngx_os_argv;
+
+extern ngx_pid_t      ngx_pid;
+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];
+
+
+#endif /* _NGX_PROCESS_H_INCLUDED_ */