HP-UX Reference (11i v2 07/12) - 3 Library Functions N-Z (vol 7)

pthread_mutex_init(3T) pthread_mutex_init(3T)

(Pthread Library)

[EPERM] The caller does not have the necessary permission to perform the mutex initialization.

If any of the following occur, the pthread_mutex_destroy()

function returns the corresponding

error number:

[EBUSY] mutex is currently locked or in use by another thread.

[EINVAL] mutex is not a valid mutex.

WARNINGS

The space for the mutex must be allocated before calling

pthread_mutex_init()

. Undeﬁned

behavior will result if the process-shared attribute of attr is

PTHREAD_PROCESS_SHARED

and the space

allocated for the mutex is not accessible to cooperating threads.

AUTHOR

pthread_mutex_init()

and pthread_mutex_destroy()

were derived from the IEEE POSIX

P1003.1c standard.