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64 Commits

Author SHA1 Message Date
mainzelm e589da1991 Add a counter to each process resource and use it to implement WITH-RESOURCES-ALIGNED by this partial order. 2003-08-13 12:46:58 +00:00
mainzelm 6261942760 Die Lady Die. 2003-05-02 13:34:23 +00:00
sperber 35f1ddd533 Split scsh code into lots of modules. 
Note that this change doesn't represent any sort of design suggestion
or decision:  It merely represents an attempt to codify the
dependencies between the parts of the code base.  There's still lots
of work to be done to actually make user-accessible modules.
 2003-04-28 08:33:46 +00:00
mainzelm dca47f0da6 Fixed typo. 2003-03-10 13:46:38 +00:00
mainzelm 075630989e Make srfi-19 a functor and move the definition back to scheme/srfi. 2003-03-10 13:27:09 +00:00
mainzelm 68072b171f Moved srfi-19.scm to scsh/. 2003-02-25 12:58:37 +00:00
mainzelm c0cccd7c7a My first post 0.6.3 fix: md5 is not opened by default and you cannot 
load it later since the path is not translated.
 2003-01-16 16:52:51 +00:00
mainzelm 804362834b Extend with-errno to capture all I/O exceptions of the VM: 
+ add errno as first argument to raise-exception os-error in prim-io.scm

+ capture os-error in with-errno-handler* and adjust exception
  arguments to fit errno-handlers
 2003-01-08 09:16:47 +00:00
mainzelm 76536c0f37 comment on kludge for ->char-set. 2002-12-17 15:43:23 +00:00
sperber a6ec3b5bb5 Add WAIT-PORTS. 2002-11-28 10:42:09 +00:00
mainzelm 2cc6f3f087 Removed export declaration of removed repl procedure. 2002-11-27 07:29:54 +00:00
mainzelm b2f0570a86 + when importing scheme, hide the procedures which are about to be 
overwritten

+ introduce structure scheme-with-scsh which exports the compound
  interface of scheme and scsh. Instead of the fragile (open scsh
  scheme) you can now use (open scheme-with-scsh).

+ removed superfluous partial-s48-ports
 2002-11-19 12:16:08 +00:00
mainzelm 8b451fe673 + Factor out exit hooks into a separate package. 
+ Let exit call the exit hooks.
 2002-09-25 11:40:07 +00:00
mainzelm aa57bec9c2 Support for uname. 2002-09-06 12:23:18 +00:00
sperber efb2ad6bed Factor SCSH-ENDIAN out of SCSH-LEVEL-0. 2002-09-03 13:12:32 +00:00
sperber 5eda8d0713 Fix some obscure import issues with DELIMITED-READERS. 2002-09-03 12:53:47 +00:00
sperber 416769997a Factored DELIMITED-READERS out of SCSH-LEVEL-0. 2002-09-03 12:41:45 +00:00
sperber 9772b62b54 Factored STRING-COLLECTORS out of SCSH-LEVEL-0. 2002-09-03 12:30:08 +00:00
sperber 0d4943b9b5 Factor SCSH-ERRORS out of SCSH-LEVEL-0. 2002-09-03 12:25:12 +00:00
sperber ac343ba970 Replace Martin's implementation of selective blocking by the one in 
Scheme 48 1.0.1.

Namely, instead of associating a list of queues with every thread, we
associate a single cell, holding the thread.  That cell is stored in
thread queues, and once a thread is made runnable again, the cell is
set to #f.  The thread-queue accessors ignore cells containing #f.

Implement an experimental OBTAIN-LOCK-MULTIPLE to test the whole
thing.
 2002-08-16 14:11:50 +00:00
sperber 09db2fed71 Remove a bunch of crud from utilities.scm as well as the dependencies 
upon that crud.
 2002-08-14 14:45:33 +00:00
sperber 7f1879b497 Remove the old LIST-LIB, STRING-LIB, and CHAR-SET-LIB libraries, now 
that the corresponding SRFIs are in the Scheme 48 core.

All this hopefully preserving backwards compatibility.
 2002-08-14 14:23:41 +00:00
mainzelm d30130ab03 Deadlock-free resource locking. 2002-08-13 06:49:22 +00:00
mainzelm 1aadf4e87f Added md5 support. 2002-06-27 12:14:23 +00:00
mainzelm 16fdcca89f Imports and exports for scsh-top-package. 2002-06-26 12:19:04 +00:00
mainzelm 1585024cd4 Some minor improvements. 
dump-libscsh-image is now the only export of the libscsh package.
 2002-05-23 09:52:26 +00:00
mainzelm aed248d24b First version of libscsh. 2002-05-16 14:50:46 +00:00
mainzelm dcebc64e8b Unify initialization of scsh-specific stuff. 2002-05-16 14:34:58 +00:00
mainzelm 0b35dbbe2f exec-path-list is a thread-fluid now. 2002-05-07 08:58:53 +00:00
sperber 1d35626709 Redo the forking-without-the-threads fix in a way not involving 
command levels (as there *are* no command levels for things like scsh
-c):

There's now a new asynchronous event, similar to SPAWN, called NARROW.
It spawns off a new scheduler with just one thread (which runs the
thunk provided as an argument to NARROW) and blocks the current one
until the narrowed scheduler finishes.

For this to work, two schedulers need to be in place: the root
scheduler which performs the housekeeping, and another one inside that
which is the one the program uses---otherwise it's the root scheduler
that's blocked, and that means no housekeeping gets done.  This is
trivially the case for interactive mode, as the command-levels all
have their own schedulers, but we also need to make sure scsh's entry
point fires up its own initial scheduler.
 2002-05-03 13:42:36 +00:00
sperber be84d5ec47 Reinstate FILE-MATCH, accidentally left unported from 0.5.1. 
Replace mention of SRFI 13 (not there yet) by STRING-LIB (gone soon).
 2002-02-21 13:22:27 +00:00
sperber 29f7483d60 Basically reimplement to my idea of dot-locking. 
(Sorry, Martin ...)
 2001-12-27 17:29:17 +00:00
mainzelm 8f3c22b40d + New names for dot-locking procedures. 
+ Optional retry interval and counter for obtain-dot-lock
+ Exported crypt
 2001-12-17 09:24:05 +00:00
mainzelm 023caecf53 Added library directory path search command-line switches. 
Unlike 0.5.3 I don't allow symbols in SCSH_LIB_DIRS (See bug #489901).
 2001-12-07 11:24:30 +00:00
sperber 136e313af7 New implementation of (no-inheritance) thread-local cells and thread 
fluids.

New implementation of syslog.

Both are to be compatible with what's actually probably going into
Scheme 48.
 2001-12-03 15:21:46 +00:00
mainzelm 6e7ae9448f Initialize session and user-environment correctly. 2001-11-27 18:11:38 +00:00
mainzelm d7f602982e Use scheme-exit-now instead of exit. 2001-11-21 14:20:16 +00:00
mainzelm fe6a9db1e5 Renamed scsh-events to sigevents. 2001-10-18 09:02:52 +00:00
mainzelm 83644a3093 + Export process-sleep{-until} 
+ Export run-as-long-as
 2001-10-03 14:42:46 +00:00
mainzelm b30eed8d54 + Replaced define-stubless-foreign by import-lambda-definition or 
import-os-error-syscall
+ Removed loading of cig-aux and define-foreign
 2001-09-13 07:59:40 +00:00
mainzelm 41b90aab2f Don't build with select for now. 2001-09-12 14:02:09 +00:00
mainzelm 327daeed32 Replaced most of define-foreign by 
define-stubless-foreign/define-retrying-syscall in syscalls.scm.
 2001-08-08 09:21:20 +00:00
mainzelm 04362fd7e3 + Switched cwd to thread-fluids 
+ Added with-cwd-aligned* for exec
+ Moved reinitializer from syslog to scsh-utilities
 2001-07-09 18:29:26 +00:00
mainzelm 4351c22d9f + Added a simple version of weak-tables. Only tail weak for now. 
+ Replaced forgotten vector-ref in newports.scm
 2001-07-07 19:29:29 +00:00
mainzelm f91b93f16a Sync with scsh tree 2001-06-06 11:06:05 +00:00
sperber e2a6e37c70 First stab at proper syslog interface. 2001-06-01 16:22:26 +00:00
mainzelm 3b53f2718d Added thread to the access list of scsh-level-0. 2001-04-09 19:34:48 +00:00
mainzelm 25f395c1d0 * New package definitions now that we have SRFI-13 and 14 
* Introduced the nomenclature "sigevent"
 2001-03-23 12:45:31 +00:00
olin-shivers d708ef06e2 EXEC-PATH-LIST is now a fluid. 2001-03-11 18:58:54 +00:00
mainzelm c1d6d368e5 Built the event system directly into the RTS. Built sighandlers above 
it. Removed machinery in low-interrupt.
 2001-01-09 15:52:52 +00:00