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changes made #1

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4 changes: 2 additions & 2 deletions process.c
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Original file line number Diff line number Diff line change
Expand Up @@ -10,10 +10,10 @@ main()
{
for(i=0;i<3;i++)
{
printf("\n Child process is running,pid=%d,ppid=%d",getpid(),getppid());
printf("\n child process is running,pid=%d,ppid=%d",getpid(),getppid());
sleep(2);
}
printf("\n Child Exited\n");
printf("\n child Exited\n");
sleep(2);
}
else if(n>0)
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8 changes: 4 additions & 4 deletions semaphore.c
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Original file line number Diff line number Diff line change
Expand Up @@ -20,20 +20,20 @@ main()
if(semctl(sid,0,SETVAL,1)==0)
printf("Semaphore initialized as 1\n");
if((val1 = semctl(sid,0,GETVAL))>0)
printf("Value of semaphore is %d\n",val1);
printf("value of semaphore is %d\n",val1);

if((val = semop(sid,&s[0],1)) == 0)
printf("Semaphore locked\n");
val1=semctl(sid,0,GETVAL);
printf("Value of semaphore after locking id %d\n",val1);
printf("value of semaphore after locking id %d\n",val1);

s[0].sem_op=1;
semop(sid,&s[0],1);
printf("Semaphore unlocked\n");
val1=semctl(sid,0,GETVAL);
printf("Value after unlocking is %d\n",val1);
printf("value after unlocking is %d\n",val1);

if((semctl(sid,0,IPC_RMID) == 0))
printf("Close the semaphore\n");
printf("close the semaphore\n");
}