e7d81186b5
Previously, stored configuration wasn't reread on controller process restart, which resulted in segmentation fault.
156 lines
4.3 KiB
C
156 lines
4.3 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) NGINX, Inc.
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*/
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#ifndef _NXT_PROCESS_H_INCLUDED_
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#define _NXT_PROCESS_H_INCLUDED_
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typedef pid_t nxt_pid_t;
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typedef uid_t nxt_uid_t;
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typedef gid_t nxt_gid_t;
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typedef struct {
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const char *user;
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nxt_uid_t uid;
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nxt_gid_t base_gid;
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nxt_uint_t ngroups;
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nxt_gid_t *gids;
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} nxt_user_cred_t;
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typedef struct nxt_process_init_s nxt_process_init_t;
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typedef nxt_int_t (*nxt_process_start_t)(nxt_task_t *task, void *data);
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typedef nxt_int_t (*nxt_process_restart_t)(nxt_task_t *task, nxt_runtime_t *rt,
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nxt_process_init_t *init);
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struct nxt_process_init_s {
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nxt_process_start_t start;
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const char *name;
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nxt_user_cred_t *user_cred;
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nxt_port_handlers_t *port_handlers;
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const nxt_sig_event_t *signals;
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nxt_process_type_t type;
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void *data;
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uint32_t stream;
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nxt_process_restart_t restart;
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};
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typedef struct nxt_port_mmap_s nxt_port_mmap_t;
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typedef struct nxt_port_mmaps_s nxt_port_mmaps_t;
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struct nxt_port_mmaps_s {
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nxt_thread_mutex_t mutex;
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uint32_t size;
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uint32_t cap;
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nxt_port_mmap_t *elts;
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};
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typedef struct {
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nxt_pid_t pid;
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nxt_queue_t ports; /* of nxt_port_t */
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nxt_bool_t ready;
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nxt_bool_t registered;
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nxt_int_t use_count;
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nxt_process_init_t *init;
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nxt_port_mmaps_t incoming;
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nxt_port_mmaps_t outgoing;
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nxt_thread_mutex_t cp_mutex;
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nxt_lvlhsh_t connected_ports; /* of nxt_port_t */
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} nxt_process_t;
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extern nxt_bool_t nxt_proc_conn_martix[NXT_PROCESS_MAX][NXT_PROCESS_MAX];
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extern nxt_bool_t
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nxt_proc_remove_notify_martix[NXT_PROCESS_MAX][NXT_PROCESS_MAX];
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NXT_EXPORT nxt_pid_t nxt_process_create(nxt_task_t *task,
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nxt_process_t *process);
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NXT_EXPORT nxt_pid_t nxt_process_execute(nxt_task_t *task, char *name,
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char **argv, char **envp);
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NXT_EXPORT nxt_int_t nxt_process_daemon(nxt_task_t *task);
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NXT_EXPORT void nxt_nanosleep(nxt_nsec_t ns);
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NXT_EXPORT void nxt_process_arguments(nxt_task_t *task, char **orig_argv,
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char ***orig_envp);
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#define nxt_process_port_remove(port) \
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nxt_queue_remove(&port->link)
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#define nxt_process_port_first(process) \
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nxt_queue_link_data(nxt_queue_first(&process->ports), nxt_port_t, link)
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NXT_EXPORT void nxt_process_port_add(nxt_task_t *task, nxt_process_t *process,
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nxt_port_t *port);
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#define nxt_process_port_each(process, port) \
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nxt_queue_each(port, &process->ports, nxt_port_t, link)
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#define nxt_process_port_loop \
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nxt_queue_loop
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nxt_process_type_t nxt_process_type(nxt_process_t *process);
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void nxt_process_close_ports(nxt_task_t *task, nxt_process_t *process);
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void nxt_process_connected_port_add(nxt_process_t *process, nxt_port_t *port);
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void nxt_process_connected_port_remove(nxt_process_t *process,
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nxt_port_t *port);
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nxt_port_t *nxt_process_connected_port_find(nxt_process_t *process,
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nxt_pid_t pid, nxt_port_id_t port_id);
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void nxt_worker_process_quit_handler(nxt_task_t *task,
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nxt_port_recv_msg_t *msg);
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#if (NXT_HAVE_SETPROCTITLE)
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#define nxt_process_title(task, fmt, ...) \
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setproctitle(fmt, __VA_ARGS__)
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#elif (NXT_LINUX || NXT_SOLARIS || NXT_MACOSX)
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#define NXT_SETPROCTITLE_ARGV 1
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NXT_EXPORT void nxt_process_title(nxt_task_t *task, const char *fmt, ...);
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#endif
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#define nxt_sched_yield() \
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sched_yield()
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/*
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* Solaris declares abort() as __NORETURN,
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* raise(SIGABRT) is mostly the same.
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*/
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#define nxt_abort() \
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(void) raise(SIGABRT)
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NXT_EXPORT nxt_int_t nxt_user_cred_get(nxt_task_t *task, nxt_user_cred_t *uc,
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const char *group);
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NXT_EXPORT nxt_int_t nxt_user_cred_set(nxt_task_t *task, nxt_user_cred_t *uc);
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NXT_EXPORT extern nxt_pid_t nxt_pid;
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NXT_EXPORT extern nxt_pid_t nxt_ppid;
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NXT_EXPORT extern char **nxt_process_argv;
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NXT_EXPORT extern char ***nxt_process_environ;
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#endif /* _NXT_PROCESS_H_INCLUDED_ */
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