This is the mail archive of the cygwin@cygwin.com mailing list for the Cygwin project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Problems with fork()


On Thu, Aug 07, 2003 at 10:10:07PM -0400, Igor Pechtchanski wrote:
>On Thu, 7 Aug 2003, wanderso wrote:
>>Hate to ask a stupid question, but I cannot get fork() to work in a c++
>>program.  I keep getting a link error saying - "undefined reference to
>>fork()".  Same problem goes for other low-level C calls like 'unlink',
>>'open', etc...
>>
>>The test stub I'm using is this:

>>
>>         #include <stdio.h>
>>         #include <stdlib.h>
>>
>>         int fork();
>>
>>         main( int argc, char **argv )
>>         {
>>                 int i = fork();
>>         }
>>
>>NOTE: the same code works fine as a straight C program, it fails when I
>>try and compile it as a .cpp file.
>>
>>I checked other posts and didn't see anything close; any help would be
>>most appreciated.
>>
>>Ross Anderson.
>
>Use 'extern "C"'.

Or include the proper header "unistd.h".

cgf

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]