vfork always fail problem
Huang Bambo
bambo.huang@gmail.com
Fri May 14 05:14:00 GMT 2010
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.huang@gmail.com>:
> [Bambo@bambo-notebook 4.4.4]$ cat tvfork.c
> #include <sys/types.h>
> #include <unistd.h>
> #include <stdio.h>
>
> int main(void)
> {
> pid_t pid = vfork();
> if ( pid > 0 )
> {
> printf("I'm chield.\n");
> _exit(0);
> }
> else if ( pid == 0 )
> {
> printf("I'm parent");
> }
> else
> {
> perror("vfork failed.");
> }
> }
> [Bambo@bambo-notebook 4.4.4]$ make tvfork
> cc tvfork.c -o tvfork
> [Bambo@bambo-notebook 4.4.4]$ ./tvfork.exe
> 4 [main] tvfork 4136 fork: child -1 - CreateProcessW failed, errno 2
> vfork failed.: No such file or directory
> [Bambo@bambo-notebook 4.4.4]$ ./tvfork
> 3 [main] tvfork 2956 fork: child -1 - CreateProcessW failed, errno 2
> vfork failed.: No such file or directory
>
> I think maybe the wrong parameters were sent while calling CreateProcessW.
>
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