WebThe pthread_spin_init() function allocates any resources required for the use of the spin lock referred to by lock and initializes the lock to be in the unlocked state. The pshared … WebThe pthread_spin_init() function allocates any resources required for the use of the spin lock referred to by lock and initializes the lock to be in the unlocked state. The pshared argument must have one of the following values: PTHREAD ...
pthread_spin_init(3) — Arch manual pages
WebOnce a spin lock has been destroyed, performing any operation on the lock other than once more initializing it with pthread_spin_init() results in undefined behavior. The result of performing operations such as pthread_spin_lock(3) , pthread_spin_unlock(3) , and pthread_spin_destroy () on copies of the object referred to by lock is undefined. WebCalling pthread_spin_lock() on a lock that is already held by the caller or a lock that has not been initialized with pthread_spin_init(3) results in undefined behavior. The … dewberry station
pthread_spin_init(3) - Linux manual page - Michael Kerrisk
WebThe pthread_spin_init () function allocates the resources required for the thread spinlock spinner, and initializes spinner to an unlocked state. Any thread that can access the memory where spinner is allocated can operate on the spinlock. Results are undefined if you call pthread_spin_init () on a spinner that's already initialized, or if you ... WebThere's pthread_spin_init, pthread_spin_lock, pthread_spin_unlock and pthread_spin_destroy in you could use, but really this sounds as though you're supposed to implement your own spin lock. – Wintermute Nov 26, 2016 at 22:45 Add a comment 2 Answers Sorted by: 6 linux/spinlock.h is a part of the Linux kernel headers. Webpthread_spin_init () Syntax pthread_spin_init () Return Values Acquiring a Spin Lock pthread_spin_lock () Syntax pthread_spin_lock () Return Values Acquiring a Non-Blocking Spin Lock pthread_spin_trylock () Syntax pthread_spin_trylock () Return Values Unlocking a Spin Lock pthread_spin_unlock () Syntax pthread_spin_unlock () Return Values dewberry shrub