Pthread_Spin_Init

  1. C if (pthread_spin_init(&l->real_lock, PTHREAD_PROCESS_SHARED) != 0).
  2. Appendix A: Pthread Library Routines Reference - LLNL HPC Tutorials.
  3. Pthread_spin_destroy or pthread_spin_init Subroutine - IBM.
  4. Pthread.c.
  5. PTHREADS.
  6. Pthread.h source code [include/pthread.h] - Woboq Code Browser.
  7. C - static pthread spinlock initialization exists? - Stack Overflow.
  8. Pthread_spin_destroy(), pthread_spin_init() -- destroy or initialize a.
  9. Pthreads/pthread_spin_init.c at master - GitHub.
  10. [04/10] htl: Make __PTHREAD_ONCE_INIT more flexible.
  11. [LTP] [PATCH 0/7] openposix: Fix 'no return in nonvoid function' warnings.
  12. [dpdk-dev] [PATCH v10 4/4] examples: add pthread_shim example to.
  13. Pthread.3.

C if (pthread_spin_init(&l->real_lock, PTHREAD_PROCESS_SHARED) != 0).

If the pthread_spin_init() function fails, the lock is not initialized and the contents of lock are undefined. Only the object referenced by lock can be used for performing synchronization. The result of referring to copies of that object in calls to pthread_spin_destroy() , pthread_spin_lock (3C) , pthread_spin_trylock (3C) , or pthread_spin_unlock (3C) is undefined.

Appendix A: Pthread Library Routines Reference - LLNL HPC Tutorials.

Generated on 2019-Mar-30 Powered by Code Browser 2.1 Generator usage only permitted with license Code Browser 2.1 Generator usage only permitted with license. Examples of possible additional mutex attributes that have been discussed are spin_only, limited_spin, no_spin,... The pthread_mutexattr_destroy() and pthread_mutexattr_init() functions are marked as part of the Threads option. IEEE PASC Interpretation 1003.1c #27 is applied, updating the ERRORS section. These functions operate on Process Code strings terminated by wchar_t null characters. During appending or copying, these routines do not check for an overflow condition.

Pthread_spin_destroy or pthread_spin_init Subroutine - IBM.

The pthread_spin_lock () function shall lock the spin lock referenced by lock. The calling thread shall acquire the lock if it is not held by another thread. Otherwise, the thread shall spin (that is, shall not return from the pthread_spin_lock () call) until the lock becomes available. The results are undefined if the calling thread holds the. 1 /* Copyright (C) 2002-2018 Free Software Foundation, Inc. 2: This file is part of the GNU C Library. 3: 4: The GNU C Library is free software; you can redistribute. Full_Name: Matt Augustine Version: 2.3.32 OS: AIX 5.3 URL: Submission from: (NULL) (208.8.86.2) Dear help, I have currently installed openssl-0.9.8e and am looking to install openldap-2.3.32 on AIX 5.3.

Pthread.c.

Pthreads4w is free software, distributed under the GNU Lesser General Public License (LGPL). For those who want to try the most recent changes, the SourceForge Git repository is the one to use. The Sourceware CVS repository is synchronised much less often and may be abandoned altogether. Release 2.9.1 was probably the last to provide pre-built. Pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; // declare/init a lock pthread_cond_t c = PTHREAD_COND_INITIALIZER; // declare/init a CV a condition variable (CV) is: - queue of waiting threads a single lock is associated with a CV (sometimes N CVs per lock) wait (cond_t *cv, mutex_t *lock) - assumes the lock is held when wait() is called) - puts caller to sleep + releases the lock (atomically). Calling 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 pthread_spin_trylock () function is like pthread_spin_lock (), except that if the spin lock referred to by lock is currently locked, then, instead of spinning, the call returns immediately with the error EBUSY.

PTHREADS.

PSHARED determines whether the spin lock can be operated upon by multiple processes. */ extern int pthread_spin_init ( pthread_spinlock_t * __lock, int __pshared) __nonnull ( (1)); /* Lock the spin lock object LOCK. If the lock is held by another thread spin until it becomes available. */ extern int pthread_spin_lock ( pthread_spinlock_t. The pthread_spin_trylock function is like pthread_spin_lock (), except that if the spin lock referred to by lock is currently locked, then, instead of spinning, the call. Pthread_spin_init. The pthread_spin_init function shall allocate any resources required to use the spin lock referenced by lock and initialize the lock to an unlocked state. Pthread_spin_destroy , pthread_spin_init - destroy or initialize a spin lock object.

Pthread.h source code [include/pthread.h] - Woboq Code Browser.

The pthread_rwlock_init () function creates a read or write lock, referenced by rwlock , with attributes specified by attr. If attr is NULL, the default read or write lock attribute ( PTHREAD_PROCESS_PRIVATE ) is used. Once initialized, the lock can be used any number of times without being reinitialized. Upon successful initialization, the. Glibc 2.33-8. links: PTS, VCS area: main; in suites: sid; size: 274,932 kB; sloc: ansic: 1,031,685; asm: 260,592; makefile: 12,922; sh: 10,597; python: 9,926; cpp. C++ (Cpp) pthread_spin_lock - 30 examples found. These are the top rated real world C++ (Cpp) examples of pthread_spin_lock extracted from open source projects. You can rate examples to help us improve the quality of examples.

C - static pthread spinlock initialization exists? - Stack Overflow.

For convenience, an alphabetical list of Pthread routines, linked to their corresponding man page, is provided below. pthread_atfork. pthread_attr_destroy. pthread_attr_getdetachstate. pthread_attr_getguardsize. pthread_attr_getinheritsched. pthread_attr_getschedparam. pthread_attr_getschedpolicy. pthread_attr_getscope. A mutex is initialized and then a lock is achieved by calling the following two functions int pthread_mutex_init (pthread_mutex_t *restrict mutex, const pthread_mutexattr_t *restrict attr); int pthread_mutex_lock (pthread_mutex_t *mutex); The first function initializes a mutex and through second function any critical region in the code can be.

Pthread_spin_destroy(), pthread_spin_init() -- destroy or initialize a.

Creating and Destroying Condition Variables. Waiting and Signaling on Condition Variables. Example: Using Condition Variables. Monitoring, Debugging and Performance Analysis for Pthreads. LLNL Specific Information and Recommendations. Topics Not Covered. Exercise 2. References and More Information. Appendix A: Pthread Library Routines Reference. Pthread-win32/pthread_spin_init.c Go to file Cannot retrieve contributors at this time 130 lines (111 sloc) 3.01 KB Raw Blame /* * pthread_spin_init.c * * Description: * This translation unit implements spin lock primitives. * * -------------------------------------------------------------------------- *.

Pthreads/pthread_spin_init.c at master - GitHub.

The POSIX thread libraries are a standards based thread API for C/C++. It allows one to spawn a new concurrent process flow. It is most effective on multi-processor or multi-core systems where the process flow can be scheduled to run on another processor thus gaining speed through parallel or distributed processing.

[04/10] htl: Make __PTHREAD_ONCE_INIT more flexible.

If successful, pthread_mutex_init() returns 0, and the state of the mutex becomes initialized and unlocked. If unsuccessful, pthread_mutex_init() returns -1. int pthread_mutex_lock(pthread_mutex_t *mutex) Locks a mutex object, which identifies a mutex. If the mutex is already locked by another thread, the thread waits for the mutex to become.

[LTP] [PATCH 0/7] openposix: Fix 'no return in nonvoid function' warnings.

#include <pthread.h> int pthread_spin_init (pthread_spinlock_t *lock int pshared); int pthread_spin_destroy (pthread_spinlock_t *lock); PTHREAD_PROCESS_PRIVATE 中的线程对自旋锁进行操作 与调用pthread_spin_init 的线程相同的进程。 (试图在进程之间共享自旋锁 导致未定义的行为。. 2 Answers. You can use constructor and destructor (available in gcc and clang) #include <pthread.h> #include <stdlib.h> static pthread_spinlock_t lock; __attribute__ ( (constructor)) void lock_constructor () { if ( pthread_spin_init ( &lock, 0 ) != 0 ) { exit ( 1 ); } } int main () { if ( pthread_spin_lock ( &lock ) != 0 ||.

[dpdk-dev] [PATCH v10 4/4] examples: add pthread_shim example to.

. The pthread_spin_initfunction shall allocate any resources required to use the spin lock referenced by lockand initialize the lock to an unlocked state. Pthreads-w32supports single and multiple processor systems as well as process CPU affinity masking by checking the mask when the spin lock is initialized. If the process is using only a single. Pthread spinlck alternative on macOS. GitHub Gist: instantly share code, notes, and snippets.

Pthread.3.

Pthread_spin_lock android. GitHub Gist: instantly share code, notes, and snippets. The pthread_spin_init() function allocates the resources required to use the spin lock pointed to by the lock argument and initializes the lock to an unlocked state. When the value of pshared is PTHREAD_PROCESS_SHARED , the spin lock can be operated upon by any thread that has access to the memory where the spin lock is allocated, even if it is. The pthread_spin_init() function may fail if: [EINVAL] The lock parameter was NULL or the pshared parameter was neither PTHREAD_PROCESS_SHARED nor PTHREAD_PROCESS_PRIVATE. The pthread_spin_destroy () function may fail if: [EBUSY] The system has detected an attempt to destroy the object referenced by lock while it is locked.


See also:

Rotation Operator In Spin Half


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