NAME

ACE_Process_Strategy - Defines the interface for specifying a concurrency strategy for a SVC_HANDLER based on multiprocessing.

SYNOPSIS

#include <ace/ACE_Strategies_T.h>

template<class SVC_HANDLER> class ACE_Process_Strategy : public ACE_Concurrency_Strategy<SVC_HANDLER> { public: ACE_Process_Strategy ( size_t n_processes = 1, ACE_Event_Handler *acceptor = 0, ACE_Reactor * = 0, int avoid_zombies = 0 ); virtual int open ( size_t n_processes = 1, ACE_Event_Handler *acceptor = 0, ACE_Reactor * = 0, int avoid_zombies = 0 ); virtual ~ACE_Process_Strategy (void); virtual int activate_svc_handler ( SVC_HANDLER *svc_handler, void *arg = 0 ); void dump (void) const; ACE_ALLOC_HOOK_DECLARE; protected: typedef ACE_Concurrency_Strategy<SVC_HANDLER> inherited; size_t n_processes_; ACE_Event_Handler *acceptor_; ACE_Reactor *reactor_; };

DESCRIPTION

This class provides a strategy that manages the creation of processes to handle requests from clients concurrently. It behaves as a "process factory", using ACE::fork to fork threads "on-demand" to run the service specified by a user-supplied SVC_HANDLER in a separate process.

Intialization and termination methods.

ACE_Process_Strategy (
    size_t n_processes = 1,
    ACE_Event_Handler *acceptor = 0,
    ACE_Reactor * = 0,
    int avoid_zombies = 0
    );

virtual int open (
    size_t n_processes = 1,
    ACE_Event_Handler *acceptor = 0,
    ACE_Reactor * = 0,
    int avoid_zombies = 0
    );

virtual ~ACE_Process_Strategy (void);

Factory method.

virtual int activate_svc_handler (
    SVC_HANDLER *svc_handler,
    void *arg = 0
    );

void dump (void) const;

ACE_ALLOC_HOOK_DECLARE;

AUTHOR

Doug Schmidt

LIBRARY

ace