pthread_rwlockattr_setpshared

Sets the process-shared attribute in the reader-writer attribute object.

Library:LibC

Classification:POSIX

Service:Synchronization

Syntax

  #include <pthread.h>
   
  int pthread_rwlockattr_setpshared (
     pthread_rwlockattr_t   *attr,
     int                     pshared);

attr: (IN) Points to the reader-writer attribute object.
pshared: (IN) Specifies the value for the process-shared attribute. For a list of supported values, see Section 48.1.2, Process Shared Flags.

If successful, returns 0. Otherwise, returns one of the following values.

Decimal	Constant	Description
9	EINVAL	The pshared parameter is invalid.
79	ENOTSUP	The pshared parameter is set to an unsupported value.

The pthread_rwlockxattr_destroy function destroys an unused reader-writer attribute object.