Greetings!
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
--
With best regards
Stanislav Ievlev.
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