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PTHREAD_ATTR_GETINHERITSCHED(3) Library Functions Manual NAME pthread_attr_getinheritsched -- get and set ``inheritsched'' attribute LIBRARY POSIX Threads Library (libpthread, -lpthread) SYNOPSIS #include <pthread.h> int pthread_attr_getinheritsched(const pthread_attr_t * restrict attr, int * restrict inheritsched); int pthread_attr_setinheritsched(pthread_attr_t *attr, int inheritsched); DESCRIPTION The pthread_attr_getinheritsched() and pthread_attr_setinheritsched() functions get and set, respectively, the inherit scheduler attribute, inheritsched, in the attr object. The inheritsched parameter specifies whether a tread created by using attr will obtain its scheduling attributes directly from attr or whether it will inherit these from the calling thread. Two values are possible for inheritsched: PTHREAD_INHERIT_SCHED The thread scheduling attributes will be inherited from the creating thread and the ones in attr are ignored. PTHREAD_EXPLICIT_SCHED The thread scheduling attributes will be set to the corresponding values in attr. The following thread scheduling attributes are affected by inheritsched: o Scheduling policy; see pthread_attr_setschedpolicy(3). o Scheduling parameter; see pthread_attr_getschedparam(3). o Scheduling contention scope; see pthread_attr_getscope(3). RETURN VALUES If successful, both functions return 0. Otherwise, an error number is returned to indicate the error. COMPATIBILITY The standard leaves it unspecified which (if any) is the default inherit scheduler attribute in a newly initialized attribute object. ERRORS No errors are defined for pthread_attr_getinheritsched(). The pthread_attr_setinheritsched() function may fail if: [EINVAL] The value specified by inheritsched is invalid. SEE ALSO pthread_attr(3) STANDARDS Both functions conform to IEEE Std 1003.1-2008 (``POSIX.1''). NetBSD 7.1.2 May 10, 2013 NetBSD 7.1.2