106 lines
1.7 KiB
C
106 lines
1.7 KiB
C
#include "libnazgul.h"
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#define MSGSPACE_DEFAULT_MODE 0600
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#include <unistd.h> /* POSIX et al */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h> /* pour O_RDWR */
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#include <sys/types.h>
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#include <sys/mman.h> /* shm_open */
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#include <errno.h>
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/*typedef struct MsgSpaceListElem *msgSpaceListElemId;
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struct MsgSpaceListElem {
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// void * tete;
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msgSpaceListElemId tete;
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int ownerPid;
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msgSpaceListElemId queu;
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};
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msgSpaceListElemId *mslist;
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*/
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void *add(char * idAncien, char *idNouveau);
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int descMemory;
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void * add(char * idAncien, char *idNouveau){
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descMemory=shm_open("/titi",
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O_RDWR|O_CREAT|O_EXCL|O_TRUNC,
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0600);
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if (descMemory== -1){
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printf("erreur de sh_open\n");
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return NULL;
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};
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if (ftruncate(descMemory,1024)== -1 ){
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printf("erreur ftruncate");
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}
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/* memory= mmap(0, 1024,
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PROT_READ | PROT_WRITE,
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MAP_SHARED, mSFd, 0)*/
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Strcpy(idAncien, idNouveau);
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}
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/* ajout dans la liste */
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/*AVEC POINTEUR */
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/*
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msgSpaceListElem *addBegining( msgSpaceListElem*list,int ownerpid){
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msgSpaceListElem *unSpacemsgListElem;
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if( (unSpacemsgListElem=(msgSpaceListElem *)malloc(sizeof(msgSpaceListElem) ) )==NULL){
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perror("ereur dallocation de memoire");
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exit(1);}
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unSpacemsgListElem->ownerPid = ownerpid;
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return(unSpacemsgListElem);
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}
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int test(int argc,char **argv){
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msgSpaceListElem *ma_liste;
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msgSpaceListElem *listMove;
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ma_liste=NULL;
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ma_liste=addBegining(ma_liste, 3);
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ma_liste=addBegining(ma_liste, 6);
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ma_liste=addBegining(ma_liste, 5);
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for (listMove=ma_liste ;listMove!=NULL ; listMove=listMove->next)
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{
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printf("valaeur :%d\n",listMove->ownerPid);
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}
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return(0);
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}
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*/
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