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More Computer Science Engineering Questions
If the fork() system call returns -1, then it means?
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Which of the following is golden rule for interface design?
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What is the output of this program? #include<stdio.h> #include<stdlib.h> #include<string.h> #include<sys/types.h> #include<sys/ipc.h> #include<sys/msg.h> struct data_st{ long int id; char buff[11]; }; int main() { int m_id,ret; struct data_st data1, data2; m_id = msgget((key_t)181,0666|IPC_CREAT); if(m_id == -1) perror("msgget"); data1.id = 1; strcpy(data1.buff,"Example"); if(msgsnd(m_id,&data1,11,0) == -1) perror("msgsnd"); ret = msgrcv(m_id,&data2,11,1,0); printf("%d\n",ret); if(msgctl(m_id,IPC_RMID,0) != 0) perror("msgctl"); return 0; }