Difference between sem_init and sema_init

Question

What is the difference between sema_init and sem_init ? Are there any specific usage scenarios and other dependencies for the respective APIs ?

score 4 · Answer 1 · answered Feb 07 '12 at 16:01

Since you tagged this with "linux" I'll ignore other Unixes.

sema_init is the Linux kernel's counting semaphore implementation initialization function.
sem_init is the initializer from the Posix thread library (and is therefore used by userspace code).

score 3 · Accepted Answer · answered Jul 05 '10 at 11:05

3

sema_init is from the Solaris thread library.
sem_init is from the Posix pthread library.

See Threads: Basic Theory and Libraries

answered Jul 05 '10 at 11:05

Sjoerd

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Difference between sem_init and sema_init

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