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Date: Mon, 10 Aug 2009 15:20:49 +0800
Message-ID: <f4d6f44b0908100020o197b0314od52bcc862345df82@mail.gmail.com>
Subject: Re: Bad system call when calling msgsnd
From: Huang Bambo <bambo DOT huang AT gmail DOT com>
To: cygwin AT cygwin DOT com
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Run "net star cygserver" first

2009/8/10 Scott <cygwin AT realmofthesh DOT com>
>
> When I compile and run the following example code within cygwin (gcc msgs=
nd.c -o msgsnd), I get an error "Bad system call"
>
> This seems to be a bug; it runs fine under linux.
>
> #include <sys/msg.h>
>
> int main() {
> =A0 int msqid =3D 0;
> =A0 int rc;
> =A0 size_t msgsz;
> =A0 struct {
> =A0 =A0 =A0 =A0long int mtype;
> =A0 =A0 =A0 char =A0 =A0 mtext[256];
> =A0 } mymsg;
>
> =A0 msgsz =3D 256;
> =A0 mymsg.mtype =3D 1;
> =A0 rc =3D msgsnd(msqid, &mymsg, msgsz, =A0IPC_NOWAIT);
> =A0 return 0;
> }
>
>
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