Mailing-List: contact cygwin-help@sourceware.cygnus.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@sources.redhat.com Delivered-To: mailing list cygwin@sources.redhat.com Date: Thu, 7 Dec 2000 02:05:46 -0500 From: Christopher Faylor To: cygwin@cygwin.com Subject: Re: Trouble accessing functions in cygwin1.dll Message-ID: <20001207020546.C13259@redhat.com> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <010401c06010$3099e870$4c3ca8c0@adacel.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.11i In-Reply-To: <010401c06010$3099e870$4c3ca8c0@adacel.com.au>; from petert@adacel.com.au on Thu, Dec 07, 2000 at 04:40:21PM +1100 On Thu, Dec 07, 2000 at 04:40:21PM +1100, Peter Tersteeg wrote: >Hi, > >I'm trying to use cygwin in a VC++ project (not pleasant, but I don't have a >choice) and I'm trying to access several functions using LoadLibrary and >GetProcAddress. I've used assertions to check that they are found successfully, >but at runtime the program crashes when calling any of these functions. > >The problem seems to be that I'm calling the functions with invalid parameters, >but I can't find any info that contradicts the parameters I'm using. The >functions and the parameters I'm using are: > >pid_t wait(int *) >int fcnt(int, int, ...) >pid_t fork(void) >int pipe(int __fildes[2]) >int stat(const char *__path, struct stat *__sbuf) > >pid_t is defined as an unsigned int. > >If anyone knows if these are okay or not, please let me know. It's not ok. The fact that the program crashes should be a mild hint that this is so. You can't call cygwin from a VC++ program unless you really really know what you're doing. And even then, I'm not too sure. cgf -- Want to unsubscribe from this list? Send a message to cygwin-unsubscribe@sourceware.cygnus.com