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[bug #15770] segfault in guile 1.7.91
From: |
anonymous |
Subject: |
[bug #15770] segfault in guile 1.7.91 |
Date: |
Thu, 16 Feb 2006 15:54:39 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; ru-RU; rv:1.8) Gecko/20051231 Firefox/1.5 |
URL:
<http://savannah.gnu.org/bugs/?func=detailitem&item_id=15770>
Summary: segfault in guile 1.7.91
Project: Guile
Submitted by: None
Submitted on: Чтв 16.02.2006 at 15:54
Category: None
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
_______________________________________________________
Details:
It is unable to call callback from thread in guile extension.
module:
--
#include <libguile.h>
#include <pthread.h>
pthread_t dbus_tid;
void *start_test(void* user_data)
{
scm_call_0((void*)(user_data));
}
SCM scm_test_thread(SCM arg)
{
pthread_create(&dbus_tid,NULL,start_test,arg);
}
void scm_init_test(void)
{
scm_c_define_gsubr("test-thread", 1, 0,
0,(SCM(*)())scm_test_thread);
}
--
testcase:
--
(dynamic-call "scm_init_test" (dynamic-link "libguile-thread.so"))
(define cb (lambda() (write "zzz!\n")))
(test-thread cb)
(pause)
how to reproduce:
$gcc -fpic -lpthread dbus.c -shared -o lguile-thread.so
---
guile
guile> (dynamic-call "scm_init_test" (dynamic-link "libguile-thread.so"))
guile> (define cb (lambda() (write "zzz!\n")))
guile> (test-thread cb)
Segmentation fault
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- [bug #15770] segfault in guile 1.7.91,
anonymous <=