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83 lines
2.0 KiB
83 lines
2.0 KiB
/*
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* Copyright (C) 2010 iptelorg GmbH
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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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* \file
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* \brief Kamailio core :: Shared memory initialization
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* \ingroup core
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* Module: \ref core
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*/
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#include "shm_init.h"
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#include "mem/shm.h"
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#include "globals.h"
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static int shm_init = 0;
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static char *shm_mname = 0;
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/**
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*
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*/
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void shm_set_mname(char *mname)
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{
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shm_mname = mname;
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}
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/** check if shm is initialized.
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* @return 1 if initialized, 0 if not
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*/
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int shm_initialized()
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{
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return shm_init;
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}
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#ifdef SHM_MEM
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/** init shm mem.
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* @return 0 on success, < 0 on error
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* it _must_ be called:
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* - after the shm_mem_size is known
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* - after shm_force_alloc is known (mlock_pages should happen at a later
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* point so it's not yet needed here)
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* - after the user is known (so that in the SYSV sems case the sems will
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* have the correct euid)
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* - before init_timer and init_tcp
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* --andrei
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*
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* Global vars used: shm_mem_size, shm_force_alloc, user & uid.
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* Side effects: it might set uid, gid and shm_mem_size.
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*/
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int init_shm()
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{
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/* set uid if user is set */
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if (user && uid == 0){
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if (user2uid(&uid, &gid, user)<0){
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fprintf(stderr, "bad user name/uid number: -u %s\n", user);
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goto error;
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}
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}
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if (shm_init_manager(shm_mname)<0)
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goto error;
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shm_init=1;
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return 0;
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error:
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return -1;
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}
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#endif /* SHM_MEM */
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/* vi: set ts=4 sw=4 tw=79:ai:cindent: */
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