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From:	"Dan Vasaru" <dvasaru AT broadpark DOT no>
To:	"Jie Meng" <jie DOT meng AT noaa DOT gov>, <cygwin AT cygwin DOT com>
Subject:	RE: multithread C lib -- LIBCMT.LIB
Date:	Wed, 16 Oct 2002 23:44:41 +0200
Message-ID:	<CHEDKHJJDLOCCOFLMGEAIENKCNAA.dvasaru@broadpark.no>
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Jie,

LIBCMT is the Microsoft implementation of the C runtime, and is compiled
using the microsoft c compiler. CYGWIN is another implementation of the a
unix-style C runtime, and the two of them don't mix.

The _beginthread and _endthread calls are Microsoft specific extensions to
the C standard; they respectively start and end a thread, performing
Microsoft C runtime initialization and cleanup. The corresponding Cygwin
primitives are called posix_create and posix_end.

You may get lucky and get your code working by just substituting
pthread_create for beginthread, and pthread_exit for endthread. Mind the
function signatures and return types though. For more about
pthread_create/exit, check the man page at:

	http://unixhelp.ed.ac.uk/CGI/man-cgi?pthread_create+3


Dan


-----Original Message-----
From: cygwin-owner AT cygwin DOT com [mailto:cygwin-owner AT cygwin DOT com]On Behalf
Of Jie Meng
Sent: Wednesday, October 16, 2002 9:34 PM
To: cygwin AT cygwin DOT com
Subject: multithread C lib -- LIBCMT.LIB


Hi,

Is LIBCMT.LIB available with CYGWIN gcc? If not, what is an better
alternatives?

I have a C program for a device that calls _beginthread and _endthread
directly. I have only CYGWIN gcc on my Windows XP now. MSDN has
LIBCMT.LIB.

Any help would be greatly appreciated. Please send your reply to
jm999us AT yahoo DOT com.

Regards,

Jie


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