In S+ on Unix-alikes we dealt with this issue by using fcntl(fd,
F_SETFD, 1) to set the close-on-exec flag on a file descriptor as soon
as we opened it.
Bill Dunlap
TIBCO Software
wdunlap tibco.com
On Wed, Apr 19, 2017 at 8:40 PM, Winston Chang wrote:
> In addition to the issue of a child proces
In addition to the issue of a child process holding onto open files, the
child process can also manipulate a file descriptor in a way that affects
the parent process. For example, calling lseek() in the child process will
move the file offset in the parent process.
Here is a set of commands that d
It seems that the system() and system2() functions don't close file
descriptors between the fork() and exec() (on Unix platforms, of course).
This means that the child processes inherit open files and socket
connections.
Running this (from a terminal) will result in the child process writing to
a
