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UNIX for Dummies Questions & Answers
how to read POSIX?
Post 302080037 by robin.zhu on Friday 14th of July 2006 08:00:23 PM
07-14-2006
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Hello !
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..
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Hi,
consider the code below:
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.
.
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.
.
.
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Hi,
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2
$:
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LEARN ABOUT NETBSD
pthread_rwlockattr_destroy
PTHREAD_RWLOCKATTR(3) BSD Library Functions Manual PTHREAD_RWLOCKATTR(3) NAME
pthread_rwlockattr_init, pthread_rwlockattr_destroy -- initialize or destroy read/write lock attributes LIBRARY
POSIX Threads Library (libpthread, -lpthread) SYNOPSIS
#include <pthread.h> int pthread_rwlockattr_init(pthread_rwlockattr_t *attr); int pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr); DESCRIPTION
The pthread_rwlockattr_init() function is used to initialize a read/write lock attributes object. The pthread_rwlockattr_destroy() function is used to destroy a read/write lock attribute object previously created with pthread_rwlockattr_init(). RETURN VALUES
If successful, the pthread_rwlockattr_init() and pthread_rwlockattr_destroy() functions return zero. Otherwise an error number will be returned to indicate the error. ERRORS
pthread_rwlockattr_init() shall fail if: [ENOMEM] Insufficient memory exists to initialize the read/write lock attributes object. pthread_rwlockattr_init() and pthread_rwlockattr_destroy() may fail if: [EINVAL] The value specified by attr is invalid. SEE ALSO
pthread_rwlock_init(3) STANDARDS
Both functions conform to IEEE Std 1003.1-2001 (``POSIX.1''). BSD
July 9, 2010 BSD