06-24-2016
How about: you "read" it to me and I tell you where you're right and where not...?
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AK1521.txt
Hi
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LEARN ABOUT OSF1
tis_read_lock
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)