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update process.c #2

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update process.c #2

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ff4ff88
update process.c
Oct 14, 2018
0aa7f76
update semaphore.c
Oct 14, 2018
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12 changes: 6 additions & 6 deletions process.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3,29 +3,29 @@
#include<sys/types.h>
main()
{
int i,p;
int i,n;
printf("\n pid=%d, ppid=%d",getpid(),getppid());
p=fork();
if(p == 0)
if(n == 0)
{
for(i=0;i<3;i++)
{
printf("\n Child process 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");
sleep(2);
}
else if(p>0)
else if(n>0)
{
for(i=0;i<6;i++)
{
printf("\n Parent process running pid=%d,ppid=%d",getpid(),getppid());
printf("\n Parent process is running pid=%d,ppid=%d",getpid(),getppid());
sleep(2);
}
}
else
printf("\n Error in creating chid process");
printf("\n Error in creating child process");
}


2 changes: 1 addition & 1 deletion semaphore.c
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,6 @@ main()
printf("Value after unlocking is %d\n",val1);

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