memoria
Publicado por backgor (2 intervenciones) el 07/12/2018 04:54:15
en open sco no puedo compilar esto:
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#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <stdio.h>
#include <string.h>
#define SHMSZ 27
int shmidd,shmidt;key_t keyd,keyt;char *shmd, *shmt;
int main()
{char tmpd[SHMSZ];
char oldt[SHMSZ];
char tmpt[SHMSZ];
keyd = 1234;if ((shmidd = shmget(keyd, SHMSZ, 0666)) < 0) {
perror("shmget");
return(1);
}if ((shmd = shmat(shmidd, NULL, 0)) == (char *) -1) {
perror("shmat");
return(1);
} keyt = 5678;if ((shmidt = shmget(keyt, SHMSZ, 0666)) < 0) {
perror("shmget");
return(1);
}if ((shmt = shmat(shmidt, NULL, 0)) == (char *) -1) {
perror("shmat");
return(1);
}while(1){
strcpy(tmpt,shmt);
if ((strcmp(tmpt,"--")!=0)&&(strcmp(oldt,tmpt)!=0)){
fprintf(stdout,"giroscopio: %s\n",tmpt);
strcpy(oldt,tmpt);
}if (strcmp(shmd,tmpd)!=0)
fprintf(stderr,"distancia %s\n",shmd);
strcpy(tmpd,shmd);
}return(0);
}Valora esta pregunta
0