pt.h
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 /*
  * Process Table
  *
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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
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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  */
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 /** Kamailio core :: internal fork functions and process table.
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  * @file: pt.h
  * @ingroup core
  */
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 #ifndef _PT_H
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 #define _PT_H
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 #include <sys/types.h>
 #include <unistd.h>
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 #include <stdlib.h>
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 #include "globals.h"
 #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 {
 	int pid;
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 #ifdef USE_TCP
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 	int unix_sock; 	/* unix socket on which tcp main listens	*/
 	int idx; 		/* tcp child index, -1 for other processes 	*/
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 #endif
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 	char desc[MAX_PT_DESC];
 };
 
 extern struct process_table *pt;
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 extern gen_lock_t* process_lock;
 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);
 
 #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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 /**
  * Forks a new process.
  * @param desc - text description for the process table
  * @param make_sock - if to create a unix socket pair for it
  * @returns the pid of the new process
  */
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 int fork_process(int child_id,char *desc,int make_sock);
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 /**
  * Forks a new TCP process.
  * @param desc - text description for the process table
  * @param r - index in the tcp_children array
  * @param *reader_fd_1 - pointer to return the reader_fd[1]
  * @returns the pid of the new process
  */
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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
 
 #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