src/master/service-process.h

#ifndef SERVICE_PROCESS_H
#define SERVICE_PROCESS_H

struct service_process {
    struct service_process *prev, *next;
    struct service *service;
    int refcount;

    pid_t pid;
        /* uid is used to check for old/invalid status messages */
    unsigned int uid;

    /* number of new connections process is currently accepting */
    unsigned int available_count;
    /* number of connections process has ever accepted */
    unsigned int total_count;

    /* time when process started idling, or 0 if we're not idling */
    time_t idle_start;
    /* kill process if it hits idle timeout */
    struct timeout *to_idle;

    /* time when we last received a status update */
    time_t last_status_update;
    /* time when we last sent SIGINT to process */
    time_t last_kill_sent;

    /* kill the process if it doesn't send initial status notification */
    struct timeout *to_status;

    bool destroyed:1;
};

#define SERVICE_PROCESS_IS_INITIALIZED(process) \
    ((process)->to_status == NULL)

struct service_process *service_process_create(struct service *service);
void service_process_destroy(struct service_process *process);

void service_process_ref(struct service_process *process);
void service_process_unref(struct service_process *process);

void service_process_log_status_error(struct service_process *process,
                      int status);

#endif