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Mail Archives: cygwin/2012/02/08/01:11:04

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Date: Wed, 8 Feb 2012 01:10:36 -0500
From: Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Bug in sys/wait.h with C++
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On Tue, Feb 07, 2012 at 08:39:46PM -0600, Yaakov (Cygwin/X) wrote:
>Just came across an issue with <sys/wait.h> in C++.  STC:
>
>$ cat test.c
>#include <stddef.h>
>#include <sys/wait.h>
>int main(void) { wait(NULL); return 0; }
>
>$ gcc -Wall test.c
>
>$ gcc -x c++ -Wall test.c
>test.c: In function ???int main()???:
>test.c:2:27: error: call of overloaded ???wait(NULL)??? is ambiguous
>/usr/include/sys/wait.h:37:7: note: candidates are: pid_t wait(int*)
>/usr/include/sys/wait.h:82:14: note:                 pid_t wait(wait*)
>
>This code compiles cleanly on Linux.

I guess we have to incorporate Linux's head-standing in
/usr/include/sys/wait.h to allow both the use of union wait * and int as
arguments to wait().

Anyone want to send a patch to cygwin-patches?

cgf

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