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109 lines
2.7 KiB
109 lines
2.7 KiB
/*
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* $Id$
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*
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* Process Table
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*
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*
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*
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* Copyright (C) 2001-2003 FhG Fokus
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* History:
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* --------
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* 2003-04-15 added tcp_disable support (andrei)
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* 2006-06-14 added process table in shared mem (dragos)
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* 2007-07-04 added register_fds() and get_max_open_fds(() (andrei)
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*/
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/** internal fork functions and process table.
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* @file: pt.h
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* @ingroup core
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*/
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#ifndef _PT_H
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#define _PT_H
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include "globals.h"
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#include "timer.h"
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#include "socket_info.h"
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#include "locking.h"
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#define MAX_PT_DESC 128
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struct process_table {
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int pid;
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#ifdef USE_TCP
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int unix_sock; /* unix socket on which tcp main listens */
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int idx; /* tcp child index, -1 for other processes */
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#endif
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char desc[MAX_PT_DESC];
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};
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extern struct process_table *pt;
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extern gen_lock_t* process_lock;
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extern int *process_count;
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extern int process_no;
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extern struct tcp_child* tcp_children;
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int init_pt(int proc_no);
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int get_max_procs(void);
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int register_procs(int no);
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int get_max_open_fds(void);
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int register_fds(int no);
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int close_extra_socks(int proc_id, int proc_no);
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#define get_proc_no() ((process_count)?*process_count:0)
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/* return processes pid */
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int my_pid(void);
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/**
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* Forks a new process.
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* @param desc - text description for the process table
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* @param make_sock - if to create a unix socket pair for it
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* @returns the pid of the new process
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*/
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int fork_process(int child_id,char *desc,int make_sock);
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/**
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* Forks a new TCP process.
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* @param desc - text description for the process table
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* @param r - index in the tcp_children array
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* @param *reader_fd_1 - pointer to return the reader_fd[1]
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* @returns the pid of the new process
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*/
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#ifdef USE_TCP
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int fork_tcp_process(int child_id,char *desc,int r,int *reader_fd_1);
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#endif
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#ifdef PKG_MALLOC
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void mem_dump_pkg_cb(str *gname, str *name);
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#endif
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#ifdef SHM_MEM
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int mem_dump_shm_fixup(void *handle, str *gname, str *name, void **val);
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#endif
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unsigned int set_fork_delay(unsigned int v);
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#endif
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