bug#15683: [critical] ERROR: ... close-pipe: pipe not in table

[Mark H Weaver]

Mark H Weaver <address@hidden> writes:
> Here's a set of patches that should make (ice-9 popen) thread safe.
> I've also pushed these to the 'wip-thread-safe-popen' branch in git.

There was a minor mistake in one of the patches: the new internal scheme
procedures for accessing the port alist declared their arguments as
optional, but they should have been required.

Here are the patches again, with that problem fixed.

      Mark

0001-Add-mutex-locking-functions-that-also-block-asyncs.patch
Description: [PATCH 1/6] Add mutex locking functions that also block asyncs

0002-Block-system-asyncs-while-overrides_lock-is-held.patch
Description: [PATCH 2/6] Block system asyncs while 'overrides_lock' is held

0003-Make-guardians-thread-safe.patch
Description: [PATCH 3/6] Make guardians thread-safe

0004-Make-port-alists-accessible-from-Scheme.patch
Description: [PATCH 4/6] Make port alists accessible from Scheme

0005-Stylistic-improvements-for-ice-9-popen.patch
Description: [PATCH 5/6] Stylistic improvements for (ice-9 popen)

0006-Make-ice-9-popen-thread-safe.patch
Description: [PATCH 6/6] Make (ice-9 popen) thread-safe