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Date: Fri, 14 May 2010 12:35:25 +0800
Message-ID: <AANLkTilNwIZmrLN2cbv99GptZ-xC-LzHMI1_ZXwRAzqE@mail.gmail.com>
Subject: Re: vfork always fail problem
From: Huang Bambo <bambo DOT huang AT gmail DOT com>
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Finally I test and get another result.
I run the test program at
/home/Bambo/test/t1/
but /home/Bambo/test is a symbolic link to another directory.
Maybe it's the problem that the system handle symbolic

2010/5/14 Huang Bambo <bambo DOT huang AT gmail DOT com>:
> [Bambo AT bambo-notebook 4.4.4]$ cat tvfork.c
> #include <sys/types.h>
> #include <unistd.h>
> #include <stdio.h>
>
> int main(void)
> {
> =A0 =A0 =A0 =A0pid_t pid =3D vfork();
> =A0 =A0 =A0 =A0if ( pid > 0 )
> =A0 =A0 =A0 =A0{
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0printf("I'm chield.\n");
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0_exit(0);
> =A0 =A0 =A0 =A0}
> =A0 =A0 =A0 =A0else if ( pid =3D=3D 0 )
> =A0 =A0 =A0 =A0{
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0printf("I'm parent");
> =A0 =A0 =A0 =A0}
> =A0 =A0 =A0 =A0else
> =A0 =A0 =A0 =A0{
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0perror("vfork failed.");
> =A0 =A0 =A0 =A0}
> }
> [Bambo AT bambo-notebook 4.4.4]$ make tvfork
> cc =A0 =A0 tvfork.c =A0 -o tvfork
> [Bambo AT bambo-notebook 4.4.4]$ ./tvfork.exe
> =A0 =A0 =A04 [main] tvfork 4136 fork: child -1 - CreateProcessW failed, e=
rrno 2
> vfork failed.: No such file or directory
> [Bambo AT bambo-notebook 4.4.4]$ ./tvfork
> =A0 =A0 =A03 [main] tvfork 2956 fork: child -1 - CreateProcessW failed, e=
rrno 2
> vfork failed.: No such file or directory
>
> I think maybe the wrong parameters were sent while calling CreateProcessW.
>

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