pthread_condattr man page on NetBSD

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PTHREAD_CONDATTR(3)	 BSD Library Functions Manual	   PTHREAD_CONDATTR(3)

NAME
     pthread_condattr_init — condition attribute operations

LIBRARY
     POSIX Threads Library (libpthread, -lpthread)

SYNOPSIS
     #include <pthread.h>

     int
     pthread_condattr_init(pthread_condattr_t *attr);

     int
     pthread_condattr_setclock(pthread_condattr_t *attr, clockid_t clock);

     int
     pthread_condattr_destroy(pthread_condattr_t *attr);

DESCRIPTION
     Condition attribute objects are used to specify parameters to the
     pthread_cond_init(3) function.  The pthread_condattr_init() function ini‐
     tializes a condition attribute object with the default attributes and the
     pthread_condattr_destroy() function destroys a condition attribute
     object.  The pthread_condattr_setclock() function sets the system clock
     to be used for time comparisons to the one specified in clock.  Valid
     clock values are CLOCK_MONOTONIC and CLOCK_REALTIME (the default).

RETURN VALUES
     If successful, these functions return 0.  Otherwise, an error number is
     returned to indicate the error.

ERRORS
     No errors are defined for pthread_condattr_init().

     The pthread_condattr_destroy() function may fail if:

     [EINVAL]		The value specified by attr is invalid.

SEE ALSO
     pthread_cond_init(3)

STANDARDS
     Both functions conform to IEEE Std 1003.1-2001 (“POSIX.1”).

CAVEATS
     The usefulness of the functions is questionable as the NetBSD implementa‐
     tion does not support any non-default attributes.	These functions do not
     conform to the IEEE Std 1003.1-2008 (“POSIX.1”) revision of the standard,
     which mandates two additional attributes, the clock attribute and the
     process-shared attribute.

BSD			       November 2, 2012				   BSD
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