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Ticket #303
Some of these (like missing getpeername) are reasonable, but
it seems like an odd platform that declares but doesn't implement
access and umask, and implements but doesn't declare lstat.
These changes need testing to see if enough works to be useful.
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Only on unix systems. Does waitpid(-1, ...) to wait for any child
process to exit.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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On win32, a process is identified by a HANDLE, but for identifying
a running process we should use GetProcessId() to return a meaningful integer.
This means we need to be able to back and forth between a pid and a process handle
(phandle). We also need to be careful to get the pid before the process handle closes
since it isn't available afterwards.
Also call the handle to intptr_t for open_osfhandle() to avoid a compiler warning.
Fixes #217
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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- fix popen [open "|pipeline ..."] to return meaningful status in close
(but note that stderr is not captured)
- popen pipelines can now be used as the target of exec redirection
- overally improvements to exec on windows. Now crt file descriptors
are used throughout
- add support for [pid], [wait] and popen on windows
- os.wait is now wait, and integrates with [exec ... &] to be able
to wait for running background tasks
- [socket pipe] is now also [pipe] and is supported on windows
- [file tempfile] is supported on windows
- move duplicated code between jim-aio.c and jim-exec.c to jimiocompat.c
- Fix [exec] on windows to match unix semantics wrt sharing the parent stream
unless redirected rather than using /dev/null
- On windows redirect to or from /dev/null is automatically converted to NUL:
- If signal support is disabled, implement a minimal Jim_SignalId() for exec and wait
- aio now supports getfd, to return the underlying file descriptor.
This is used by exec to support redirection, and allows popen channels
to support exec redirection.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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