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[Guile-commits] GNU Guile branch, wip-threads-and-fork, created. v2.1.0-
From: |
Andy Wingo |
Subject: |
[Guile-commits] GNU Guile branch, wip-threads-and-fork, created. v2.1.0-32-g6625ef1 |
Date: |
Tue, 14 Feb 2012 13:35:27 +0000 |
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU Guile".
http://git.savannah.gnu.org/cgit/guile.git/commit/?id=6625ef152f7600405b739a4fdae6b0ef07d0de54
The branch, wip-threads-and-fork has been created
at 6625ef152f7600405b739a4fdae6b0ef07d0de54 (commit)
- Log -----------------------------------------------------------------
commit 6625ef152f7600405b739a4fdae6b0ef07d0de54
Author: Andy Wingo <address@hidden>
Date: Wed Feb 8 20:11:57 2012 +0100
web server: use CLOEXEC
* module/web/server/http.scm (http-read): Pass SOCK_CLOEXEC to
`accept'.
commit 8d07adcbc17dcda5ad7b0fc5b1c988d1b3c50062
Author: Andy Wingo <address@hidden>
Date: Wed Feb 8 20:11:28 2012 +0100
optional flags arg to scm_accept, which uses accept4
* libguile/socket.c (scm_accept): Take another argument, "flags". This
dispatches to accept4, if it's available, to possibly set the CLOEXEC
flag on the accepted port.
commit a66a076b8b7d3c2521e33fc3571723765a2dac9e
Author: Andy Wingo <address@hidden>
Date: Tue Feb 14 14:33:19 2012 +0100
fix a race (one of many) relating to close-port
* libguile/ports.c (scm_close_port): Remove the port from the weak
set before nulling out the stream. Fixes a case in which
port-for-each traversers can see a NULL stream.
commit 3f3ea0e25b0fe42602eb810a0ca4285b1ba79a60
Author: Andy Wingo <address@hidden>
Date: Wed Feb 8 20:09:36 2012 +0100
primitive-move->fdes preserves CLOEXEC flag
* libguile/ioext.c (scm_primitive_move_to_fdes): Use dup3 to preserve
the CLOEXEC flag, if appropriate.
commit 659a5d75ce57c46d174043bc9c12d903bfc679ca
Author: Andy Wingo <address@hidden>
Date: Wed Feb 8 20:08:15 2012 +0100
add file-port-close-on-exec?; popen takes advantage of it.
* libguile/fports.c (scm_i_evict_port): Use F_DUPFD_CLOEXEC if the port
is CLOEXEC.
(scm_file_port_close_on_exec_p): New interface.
(scm_i_fdes_to_port): Use F_GETFD on the fd to see if it is cloexec,
and if it is, mark it in the scm_t_fport. That way popen.scm won't
have to do anything about it.
* module/ice-9/popen.scm (ensure-fdes): No need for false-if-exception
here.
(open-process): Rework the port-for-each call to not bother with file
descriptors that are CLOEXEC.
commit 31a888065e247577f62c9f0b7ba90fafcbe314bf
Author: Andy Wingo <address@hidden>
Date: Wed Feb 8 20:05:04 2012 +0100
fcntl: support F_DUPFD_CLOEXEC and O_CLOEXEC.
* libguile/filesys.c (scm_fcntl): Document F_DUPFD_CLOEXEC.
(scm_init_filesys): Define O_CLOEXEC and F_DUPFD_CLOEXEC.
commit 6b56cca8bc6e42f1a4dcda04692d236084537e73
Author: Andy Wingo <address@hidden>
Date: Tue Feb 14 14:30:48 2012 +0100
wrap iconv_open / iconv_close with a lock to help in thread/fork issues
* libguile/bytevectors.c (STRING_TO_UTF, scm_string_to_utf8)
(UTF_TO_STRING):
* libguile/ports.c (open_iconv_descriptors, close_iconv_descriptors):
* libguile/strings.c (scm_from_stringn, scm_to_stringn): Wrap operations
that acquire and destroy iconv contexts with a mutex. While iconv is
threadsafe, internally it uses a lock, and we need to make sure when
we fork() that no one has that lock -- so we surround it with another
one. Gross.
commit 528ac41e44f029240dc5ab5c1582e63ebb8ccf59
Author: Andy Wingo <address@hidden>
Date: Wed Feb 8 19:57:41 2012 +0100
use scm_c_atfork_lock_static_mutex for guile's static mutexen
* libguile/async.c (scm_init_async):
* libguile/deprecation.c (scm_init_deprecation):
* libguile/fluids.c (scm_init_fluids):
* libguile/gc.c (scm_init_gc):
* libguile/instructions.c (scm_bootstrap_instructions):
* libguile/ports.c (scm_init_ports):
* libguile/posix.c (scm_init_posix):
* libguile/strings.c (string_get_handle):
* libguile/threads.c (scm_init_threads): Use the atfork mutex mechanism
to lock a number of static mutexen.
commit 0f3dde2349bb946e678235f35412a906e5ecc40d
Author: Andy Wingo <address@hidden>
Date: Wed Feb 8 19:52:42 2012 +0100
add scm_c_atfork_lock_static_mutex
* libguile/posix.h:
* libguile/posix.c (scm_c_atfork_lock_static_mutex): New interface.
commit a0924c8a5722fa7d6738b5aa126355b899921715
Author: Andy Wingo <address@hidden>
Date: Wed Feb 8 15:47:22 2012 +0100
add atfork interface
* libguile/posix.h:
* libguile/posix.c (scm_c_atfork): New interface.
(scm_fork): Wrap fork calls in atfork pre/post invocations, and
finally a GC_call_with_alloc_lock. It's an attempt to grab the
interesting mutexes in Guile.
* libguile/weak-set.c (make_weak_set):
* libguile/weak-table.c (make_weak_table): Use atfork mechanism to lock
and unlock weak sets and weak tables during a fork(), in such a way
that does not prevent those tables from being gc'd.
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