> On Mon, Jan 10, 2005 at 08:56:58AM +0100, Rainer Hochreiter wrote:
>> but what's the real reason why popen() results in the address conflict
>> and system() does not?!
>
> AFAICT, popen() calls fork() and system() does not.
this is not true - both functions call vfork()!
cygwin-1.5.12-1/newlib/libc/stdlib/system.c:165 if ((pid = vfork ()) == 0)
cygwin-1.5.12-1/newlib/libc/posix/popen.c:92 switch (pid = vfork()) {
system() calls execve() while popen() calls execl() to start execution of
another file!
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