Updated: 11 December 1998

Guide to DECthreads

R
Race conditions
among threads
avoiding
word tearing
RAISE macro
Read-write lock attributes objects
creating
destroying
get process-shared attribute value
set process-shared attribute value
Read-write locks #1
Read-write locks #2
attributes
changing object name in
creating #1
creating #2
DECthreads tis interface routines for
destroying #1
destroying #2
destroying #3
initializing #1
initializing #2
initializing #3
locking
for read access #1
for read access #2
for write access #1
for write access #2
locking for read access
locking for read access without waiting
locking for write access
locking for write access without waiting
obtaining object name
process-shared
thread priority
under the DECthreads thread-independent services (tis) interface
unlocking
for read access
for write access
using in thread-safe library code
writer precedence
Read-write locks attributes objects
initializing
Recursive mutexes
Reentrant code
required for multithreaded programming
required for thread-safe code
See also Thread-reentrant code
RERAISE macro #1
RERAISE macro #2
Round-robin (RR) scheduling policy
S
Scheduling parameters
of threads
getting
setting
Scheduling parameters attribute
of thread attributes object
getting
setting
Scheduling policy attribute
of thread attributes object
getting
setting
Scheduling priority attribute
of thread attributes object
sched_get_priority_max() routine
sched_get_priority_min() routine
sched_yield() routine
Sequence numbers
See Thread sequence numbers
Shared memory
using from threads
Signal masks (DIGITAL UNIX)
See Thread signal masks
Signals (DIGITAL UNIX)
per-thread usage
synchronous
reported as exceptions
sigwait() routine
sigwait() service (DIGITAL UNIX)
Stack address attribute
of thread attributes object
getting
setting
Stack memory
using from threads
Stacks
of threads
See Thread stacks
Stacksize attribute
of thread attributes object
getting
setting
Static memory
using before release of mutex
using from threads
Status exceptions
Synchronization objects
condition variables
mutexes
read-write locks
stack-based
static initialization inappropriate for
static initialization of
Synchronous cancelation
of threads
cleanup from
Synchronous thread cancelation
cleanup from
SYSGEN
MULTITHREAD parameter
SYSGEN (OpenVMS)
MULTITHREAD parameter
System contention scope #1
System contention scope #2
of threads
System services
cancelability from DECthreads #1
cancelability from DECthreads #2
T
THIS_CATCH exception object
Thread attributes objects
cancelability state attribute
setting #1
setting #2
cancelability type attribute
setting
contention scope attribute #1
contention scope attribute #2
contention scope attribute #3
creating
destroying
detachstate attribute #1
detachstate attribute #2
guardsize attribute #1
guardsize attribute #2
guardsize attribute #3
guardsize attribute #4
guardsize attribute #5
guardsize attribute #6
inherit scheduling attribute #1
inherit scheduling attribute #2
inherit scheduling attribute #3
initializing
naming #1
naming #2
scheduling parameters #1
scheduling parameters #2
scheduling policy attribute #1
scheduling policy attribute #2
scheduling policy attribute #3
scheduling priority attribute
setting attributes in
stack address attribute #1
stack address attribute #2
stack address attribute #3
stacksize attribute #1
stacksize attribute #2
stacksize attribute #3
Thread-independent services (tis) interface #1
Thread-independent services (tis) interface #2
condition variables
features of
mutexes
of DECthreads
performance of routines
read-write locks
run-time linkages to routines
summary of routines
thread-specific data
Thread objects
naming #1
naming #2
Thread-reentrant code
Thread-safe code
in libraries
requires reentrant compilation
using condition variables
using mutexes
using read-write locks
using thread-specific data
Thread sequence numbers
getting
Thread signal masks (DIGITAL UNIX)
getting
setting
Thread-specific data
keys
creating #1
creating #2
destroying #1
destroying #2
getting #1
getting #2
naming #1
naming #2
setting #1
setting #2
under the DECthreads thread-independent services (tis) interface
using in thread-safe library code
Thread-specific data keys
naming #1
naming #2
Thread stacks
default size of
under OpenVMS
diagnosing overflow
identifying overflow of #1
identifying overflow of #2
managing
minimum size of
under OpenVMS
requesting absolute size of
setting the origin address
size of
determining
requesting absolute
tracing
using a stack guard area #1
using a stack guard area #2
under DIGITAL UNIX
THREADCP tool
THREADCP tool (OpenVMS)
Threads
advantages of
attributes of
avoiding nonreentrant routines
cancelability state
cancelability type
canceling #1
canceling #2
asynchronously
code example
control of
delivery of cancelation request
exception-based implementation
PTHREAD_CANCELED return value
synchronously
whether enabled
changes of state
cleanup
from asynchronous cancelation
from synchronous cancelation
cleanup handlers #1
cleanup handlers #2
cleanup handlers #3
concurrency level #1
concurrency level #2
contention scope
context-switching
in kernel
in user mode
creating #1
creating #2
deadlocks among
delaying execution of
delivering cancelation requests
destroying #1
destroying #2
detaching #1
detaching #2
executing
granularity considerations
identifiers
comparing
getting #1
getting #2
joining with another thread #1
joining with another thread #2
locking mutexes #1
locking mutexes #2
on multiprocessor systems
one-time initialization of #1
one-time initialization of #2
one-time initialization of #3
overview of
priority inversion among
process contention scope
process-shared synchronization objects
race conditions among
reentrant code for
scheduling
alternative policies
alternative priorities
calculating priority
effects of scheduling policy
inheriting attributes
issues
real-time (DIGITAL UNIX)
scheduling parameters
getting
setting
See also Multithreaded programming
sending signals to
sequence numbers
getting
signal masks for (DIGITAL UNIX)
getting
setting
starting
synchronizing memory access
system contention scope
terminating #1
terminating #2
due to error
normally
series of actions #1
series of actions #2
via pthread_exit() routine
thread-specific data
time slicing
unlocking DECthreads global mutex
unlocking mutexes #1
unlocking mutexes #2
unlocking the DECthreads global mutex
using a stack guard area
using dynamic memory
using shared memory
using stack memory
using static memory
waiting for another thread to terminate #1
waiting for another thread to terminate #2
waiting on mutexes
wakeups for
broadcasting #1
broadcasting #2
signaling #1
signaling #2
signaling #3
yielding to another thread
Throughput scheduling policy
Time
expiration
obtaining
Time slicing
of threads
tis interface
See Thread-independent services (tis) interface
tis_cond_broadcast() routine
tis_cond_destroy() routine
tis_cond_init() routine
tis_cond_signal() routine
tis_cond_wait() routine
using
tis_getspecific() routine
tis_key_create() routine
tis_key_delete() routine
tis_lock_global() routine
using
tis_mutex_destroy() routine
tis_mutex_init() routine
using
tis_mutex_lock() routine
tis_mutex_trylock() routine
tis_mutex_unlock() routine
tis_once() routine
tis_read_lock() routine
using
tis_read_trylock() routine
using
tis_read_unlock() routine
tis_rwlock_destroy() routine
using
tis_rwlock_init() routine
using
tis_self() routine
tis_setcancelstate() routine
tis_setspecific() routine
tis_testcancel() routine
using
tis_unlock_global() routine
using
tis_write_lock() routine
using
tis_write_trylock() routine
using
tis_write_unlock() routine
TRY macro
restrictions
Two-level scheduling
under DIGITAL UNIX
under OpenVMS Alpha

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