Answer Posted / swetcha
Semaphores r software, blocking, OS assistance solution to
the mutual exclusion problem .It is
basically a non-negative integer variable that saves the
number of wakeup signals sent so they are not lost if the
process is not sleeping
another interpretation is that the semaphore value
represents the number of resources available
| Is This Answer Correct ? | 101 Yes | 34 No |
Post New Answer View All Answers
How do you crash a computer?
Do simultaneous downloads take longer?
Can a laptop have both ssd and hdd?
Assuming feedback to the adversary flugging an error as each incorrect character is entered, what is the expected time to discover the correct password?
What is the name of first operating system?
1) What is an Virtual memory? 2) How do we test API's in both Windows/Linux/Unix? 3) What is an IOCTL? 4) How do you open a char device through API's? 5) What is major num/ minor num? 6) What is the max num for minor num? 7) Who gives you the major / minor numbers? 8) Reverse a string using recursive func. 9) fork/vfork/clone. 10) What does fork returns? 11) What is a zombie process? 12) What happens when a child completes before parent tries to wait for it? 13) Interrupt handlers, top-hdnl....?
Can I put an ssd in my old computer?
What are go channels?
What is the difference between wget and curl?
Is system restore bad for your computer?
What is the difference between kernel and operating system?
How many goroutines are in a core?
Assuming one link of the Trojan horse copy-and-observe-later chain is broken. There are two other possible angles of attack by Alice: Alice logging on and attempting to read the string directly, and alice assigning a security level of sensitive to the back-pocket file. Does the reference monitor prevent these attacks?
What is the difference between concurrency and parallelism?
Why is android better than ios?