summaryrefslogtreecommitdiff
path: root/ANNOUNCE
diff options
context:
space:
mode:
authorrpj <rpj>1999-04-03 22:05:39 +0000
committerrpj <rpj>1999-04-03 22:05:39 +0000
commit451bb0670ddd5f5c0606410f2b5f51733119645d (patch)
tree09e56af6c763e0c7874cce25ac700daf9f1e93a0 /ANNOUNCE
parentad0b866780adf56e19114fb67ab2d532b4501425 (diff)
./ChangeLog
Sun Apr 4 11:05:57 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * sched.c (sched.h): Include. * sched.h: New file for POSIX 1b scheduling. * pthread.h: Move opaque structures to implement.h; move sched_* prototypes out and into sched.h. * implement.h: Add opaque structures from pthread.h. * sched.c (sched_yield): New function. * condvar.c (_pthread_sem_*): Rename to sem_*; except for _pthread_sem_timedwait which is an private function. Sat Apr 3 23:28:00 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * Makefile.in (OBJS): Add errno.o. Fri Apr 2 11:08:50 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * implement.h (_pthread_sem_*): Remove prototypes now defined in semaphore.h. * pthread.h (sempahore.h): Include. * semaphore.h: New file for POSIX 1b semaphores. * pthread.h (_pthread_sem_t): Change to sem_t. * semaphore.c (_pthread_sem_*): Change to sem_*; these functions will be exported from the library; set errno on error. - John Bossom <jebossom@cognos.com> (_pthread_sem_timedwait): Moved to private.c. * private.c (_pthread_sem_timedwait): Moved from semaphore.c; set errno on error. * errno.c (_errno): New file. New function. - John Bossom * pthread.h (pthread_t_): Add per-thread errno element. tests/ChangeLog Sun Apr 4 12:04:28 1999 Ross Johnson <rpj@ixobrychus.canberra.edu.au> * tsd1.c (mythread): Change Sleep(0) to sched_yield(). (sched.h): Include. * condvar3.c (mythread): Remove redundant Sleep(). * runtest.bat: Re-organised to make more informative.
Diffstat (limited to 'ANNOUNCE')
-rw-r--r--ANNOUNCE62
1 files changed, 43 insertions, 19 deletions
diff --git a/ANNOUNCE b/ANNOUNCE
index 00987c4..f481f7c 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,24 +1,18 @@
- PTHREADS-WIN32 SNAPSHOT 1999-03-16
+ PTHREADS-WIN32 SNAPSHOT 1999-04-04
----------------------------------
Web Site: http://sourceware.cygnus.com/pthreads-win32/
Coordinator: Ross Johnson <rpj@ise.canberra.edu.au>
-We are pleased to announce the availability of Pthreads-win32, an
-Open Source Software (OSS) implementation of the Threads component
-of the POSIX 1003.1c 1996 Standard for Microsoft's Win32
-environment.
+We are pleased to announce the availability of a new snapshot of
+Pthreads-win32, an Open Source Software (OSS) implementation of the
+Threads component of the POSIX 1003.1c 1995 Standard for Microsoft's
+Win32 environment. Some functions from POSIX 1003.1b are supported.
Pthreads-win32 is free software, distributed under the GNU Library
General Public License (LGPL).
-This is the first general announcement of the library in workable
-form. We expect it to be stable in the real world having passed it's
-own test suite, however, if you do find bugs in the library please
-let us know either via the mailing list (see below), or by emailing
-the coordinator directly (see above).
-
Pthreads-win32 is based substantially on a Win32 pthreads
implementation contributed by John E. Bossom <jebossom@cognos.com>.
@@ -26,17 +20,35 @@ Please see the 'Acknowledgements' section at the end of this
announcement for the list of contributors.
+Change Summary
+--------------
+
+Some POSIX 1b functions which were internally supported are now
+available as exported functions:
+
+ sem_init
+ sem_destroy
+ sem_wait
+ sem_trywait
+ sem_post
+ sched_yield
+ sched_get_priority_min
+ sched_get_priority_max
+
+Some minor bugs have been fixed. See the ChangeLog file for details.
+
+
Level of standards conformance
------------------------------
-The following POSIX 1003.1c 1996 options are defined:
+The following POSIX 1003.1c 1995 options are defined:
_POSIX_THREADS
_POSIX_THREAD_SAFE_FUNCTIONS
_POSIX_THREAD_ATTR_STACKSIZE
-The following POSIX 1003.1c 1996 options are not defined:
+The following POSIX 1003.1c 1995 options are not defined:
_POSIX_THREAD_ATTR_STACKADDR
_POSIX_THREAD_PRIORITY_SCHEDULING
@@ -112,15 +124,25 @@ The following functions are implemented:
pthread_cond_broadcast
---------------------------
+ Semaphores
+ ---------------------------
+ sem_init (POSIX 1b)
+ sem_destroy (POSIX 1b)
+ sem_post (POSIX 1b)
+ sem_wait (POSIX 1b)
+ sem_trywait (POSIX 1b)
+
+ ---------------------------
RealTime Scheduling
---------------------------
pthread_attr_getschedparam
pthread_attr_setschedparam
pthread_getschedparam
pthread_setschedparam
- sched_get_priority_max
- sched_get_priority_min
-
+ sched_get_priority_max (POSIX 1b)
+ sched_get_priority_min (POSIX 1b)
+ sched_yield (POSIX 1b)
+
---------------------------
Signals
---------------------------
@@ -241,9 +263,11 @@ against the export library libpthread32.a built under Mingw32
together with the version of pthread.dll built with MSVC.
Cygwin: (http://sourceware.cygnus.com/cygwin/)
-Cygwin does not have thread-safe libraries and should not be used
-for threaded applications.
-
+Cygwin aims to provide a complete POSIX environment on top of Win32, including
+threads. When this is complete, developers using Cygwin will not need
+pthreads-win32. At this time, Cygwin has preliminary support for multithreaded
+development, however, this is not turned on by default.
+
Generally:
For convenience, the following pre-built files can be downloaded from
the FTP site: