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PTHREAD_BARRIERATTR_GETPSHARED(3) FreeBSD Library Functions Manual NAME pthread_barrierattr_getpshared, pthread_barrierattr_setpshared - get or set the process-shared attribute of the barrier attribute's object SYNOPSIS #include <pthread.h> int pthread_barrierattr_getpshared(pthread_barrierattr_t *attr, int *pshared); int pthread_barrierattr_setpshared(pthread_barrierattr_t *attr, int pshared); DESCRIPTION The pthread_barrierattr_getpshared() function writes in pshared the current process-shared attribute value. The pthread_barrierattr_setpshared() function sets the process-shared attribute as indicated in pshared. RETURN VALUES If successful, pthread_barrierattr_getpshared() and pthread_barrierattr_setpshared() will return zero, otherwise an error number will be returned to indicate the error. ERRORS pthread_barrierattr_getpshared() will fail if: [EINVAL] The value specified by attr is invalid. pthread_barrierattr_setpshared() will fail if: [EINVAL] The value specified by attr is invalid. [ENOTSUP] The value specified by pshared is not PTHREAD_PROCESS_PRIVATE. SEE ALSO pthread_barrier_init(3), pthread_barrier_wait(3), pthread_barrierattr_init(3) STANDARDS pthread_barrierattr_getpshared() and pthread_barrierattr_setpshared() conform to IEEE Std 1003.1-2008 ("POSIX.1"). BUGS Currently only private barriers are supported and the pshared attribute is always set that way. Any attempts to change that value will trigger ENOTSUP. FreeBSD 14.1-RELEASE-p8 February 22, 2023 FreeBSD 14.1-RELEASE-p8