Process Class Reference

Public Member Functions
template<class WORKER >
	Process (WORKER *worker, bool detached=true)
pid_t	get_id () const
pid_t	id () const
void	set_id (pid_t id)
bool	isAlive () const
bool	kill (int signo) const
bool	wait (int opt=0)
bool	cancel ()
int	waitpid_result () const
int	waitpid_status () const

Static Public Member Functions
template<class WORKER >
static void	g_handler_exit (int, void *worker)
static void	g_handler_int (int)

Private Attributes
pid_t	m_pid
int	m_waitpid_result
int	m_waitpid_status

Detailed Description

Definition at line 22 of file Process.h.

Constructor & Destructor Documentation

Process() [1/2]

Process ( )

inline

Definition at line 34 of file Process.h.

: m_pid(-1) {}

Process() [2/2]

Process ( WORKER *  worker, bool  detached = true  )

inline

Definition at line 37 of file Process.h.

    {
      m_pid = fork();
      if (m_pid == 0) {
        signal(SIGINT, g_handler_int);
        if (detached) {
          on_exit(g_handler_exit<WORKER>, (void*)worker);
        }
        worker->run();
        exit(0);
      } else if (detached) {
        delete worker;
      }
    }

~Process()

~Process ( )

inline

Definition at line 51 of file Process.h.

{}

Member Function Documentation

cancel()

bool cancel ( )

inline

Definition at line 71 of file Process.h.

{ return kill(SIGINT); }

g_handler_exit()

static void g_handler_exit ( int  , void *  worker  )

inlinestatic

Definition at line 26 of file Process.h.

    {
      delete (WORKER*)worker;
      exit(0);
    }

g_handler_int()

static void g_handler_int ( int  )

inlinestatic

Definition at line 31 of file Process.h.

{ exit(0); }

get_id()

pid_t get_id ( ) const

inline

Definition at line 54 of file Process.h.

{ return m_pid; }

id()

pid_t id ( ) const

inline

Definition at line 55 of file Process.h.

{ return m_pid; }

isAlive()

bool isAlive ( ) const

inline

Definition at line 57 of file Process.h.

{ return kill(0); }

kill()

bool kill ( int  signo ) const

inline

Definition at line 58 of file Process.h.

    {
      if (m_pid <= 0) return false;
      return ::kill(m_pid, signo) == 0;
    }

set_id()

void set_id ( pid_t  id )

inline

Definition at line 56 of file Process.h.

{ m_pid = id; }

wait()

bool wait ( int  opt = 0 )

inline

Definition at line 63 of file Process.h.

    {
      if (m_pid < 0) return false;
      if ((m_waitpid_result = ::waitpid(m_pid, &m_waitpid_status, opt))) {
        m_pid = -1;
      }
      return true;
    }

waitpid_result()

int waitpid_result ( ) const

inline

Definition at line 72 of file Process.h.

    {
      return m_waitpid_result;
    };

waitpid_status()

int waitpid_status ( ) const

inline

Definition at line 76 of file Process.h.

    {
      return m_waitpid_status;
    };

Member Data Documentation

m_pid

pid_t m_pid

private

Definition at line 82 of file Process.h.

m_waitpid_result

int m_waitpid_result

private

Definition at line 83 of file Process.h.

m_waitpid_status

int m_waitpid_status

private

Definition at line 84 of file Process.h.

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The documentation for this class was generated from the following file:

• daq/slc/system/include/Process.h