osf1 man page for tis_read_lock

Query: tis_read_lock

OS: osf1

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

tis_read_lock(3)					     Library Functions Manual						  tis_read_lock(3)

NAME
tis_read_lock - Acquires a read-write lock for read access.
LIBRARY
Standard C Library (libc.so, libc.a)
SYNOPSIS
#include <tis.h> int tis_read_lock( tis_rwlock_t *lock);
STANDARDS
None
PARAMETERS
Address of the read-write lock.
DESCRIPTION
This routine acquires a read-write lock for read access. This routine waits for any existing lock holder for write access to relinquish its lock before granting the lock for read access. This routine returns when the lock is acquired. If the lock is already held for read access, the lock is granted. For each call to tis_read_lock(3) that successfully acquires the lock for read access, a corresponding call to tis_read_unlock(3) must be issued. Note that the type tis_rwlock_p is a pointer to type tis_rwlock_t.
RETURN VALUES
If an error condition occurs, this routine returns an integer value indicating the type of error. Possible return values are as follows: Successful completion. The value specified by lock is invalid.
ERRORS
None
RELATED INFORMATION
Functions: tis_read_trylock(3), tis_read_unlock(3), tis_rwlock_destroy(3), tis_rwlock_init(3), tis_write_lock(3), tis_write_trylock(3), tis_write_unlock(3) Manuals: Guide to DECthreads and Programmer's Guide delim off tis_read_lock(3)
Related Man Pages
pthread_rwlock_unlock(3c) - opensolaris
pthread_rwlock_trywrlock(3t) - hpux
pthread_rwlock_tryrdlock(3) - osf1
pthread_rwlock_unlock(3) - osf1
pthread_rwlockattr_setpshared(3) - osf1
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