Query: pthread_rwlockattr_setpshared
OS: osx
Section: 3
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
PTHREAD_RWLOCKATTR_SETPSHARED(3) BSD Library Functions Manual PTHREAD_RWLOCKATTR_SETPSHARED(3)NAMEpthread_rwlockattr_setpshared -- set the process shared attributeSYNOPSIS#include <pthread.h> int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *attr, int pshared);DESCRIPTIONThe pthread_rwlockattr_setpshared() function sets the process-shared attribute of attr to the value referenced by pshared. pshared may be one of two values: PTHREAD_PROCESS_SHARED Any thread of any process that has access to the memory where the read/write lock resides can manipulate the lock. PTHREAD_PROCESS_PRIVATE Only threads created within the same process as the thread that initialized the read/write lock can manipulate the lock. This is the default value.RETURN VALUESIf successful, the pthread_rwlockattr_setpshared() function will return zero. Otherwise, an error number will be returned to indicate the error.SEE ALSOpthread_rwlock_init(3), pthread_rwlockattr_init(3), pthread_rwlockattr_setpshared(3)STANDARDSThe pthread_rwlockattr_setpshared() function is expected to conform to Version 2 of the Single UNIX Specification (``SUSv2'').ERRORSpthread_rwlockattr_setpshared() will fail if: [EINVAL] The value specified by attr or pshared is invalid.HISTORYThe pthread_rwlockattr_setpshared() function first appeared in FreeBSD 3.0.BUGSThe PTHREAD_PROCESS_SHARED attribute is not supported.BSDAugust 4, 1998 BSD