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Diffstat (limited to 'ANNOUNCE')
| -rw-r--r-- | ANNOUNCE | 62 |
1 files changed, 43 insertions, 19 deletions
@@ -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: |