What is semmap?



What is semmap?..

Answer / diana

This sets the number of entries in the semaphore map. This should never be greater than semmni. If the number of semaphores per semaphore set used by the application is "n" then set
semmap = ((semmni + n - 1)/n)+1
or more. Alternatively, we can set semmap to semmni x semmsl. An undersized semmap leads to "WARNING: rmfree map overflow" errors. The default setting is 10; the maximum for Solaris 2.6 is 2GB. The default for Solaris 9 was 25; Solaris 10 increased the default to 512. The limit is SHRT_MAX.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Solaris IPC Interview Questions

What is semusz?

1 Answers  


Explain semmni (max-sem-ids in Solaris 10+)?

1 Answers  


What is semmns?

1 Answers  


What is semmsl (max-sem-nsems in solaris 10+)?

0 Answers  


What is semmnu?

1 Answers  






Explain shmmin?

0 Answers  


Tell me is there any good future for solaris?

0 Answers  


What is semopm (max-sem-ops in solaris 10+)?

0 Answers  


Explain semume?

0 Answers  


What is semume?

1 Answers  


Explain shmmax (max-shm-memory in Solaris 10+)?

1 Answers  


What is shmseg?

1 Answers  


Categories
  • Solaris Commands Interview Questions Solaris Commands (360)
  • Solaris Threads Interview Questions Solaris Threads (9)
  • Solaris IPC Interview Questions Solaris IPC (30)
  • Solaris Socket Programming Interview Questions Solaris Socket Programming (3)
  • Solaris System Calls Interview Questions Solaris System Calls (25)
  • Solaris General Interview Questions Solaris General (170)
  • Solaris AllOther Interview Questions Solaris AllOther (297)