Amaury Forgeot d Arc <[email protected]> added the comment:
A self-contained script below.
It does not crash when the thread was created from Python code
(with
thread.start_new_thread(lib.another_thread, (ffi.NULL,))
)
from cffi import FFI
ffi = FFI()
ffi.cdef("""
void register_thread_callback(int (*func)());
""")
lib = ffi.verify("""
#include <stdio.h>
#include <pthread.h>
int (*global_thread_callback)();
void *another_thread(void *arg)
{
printf("this is another thread\\n");
global_thread_callback();
return NULL;
}
void register_thread_callback(int (*func)())
{
global_thread_callback = func;
pthread_t tid;
pthread_create(&tid, NULL, another_thread, NULL);
}
""")
@ffi.callback("int()")
def thread_callback():
print 'thread call back OK'
return 0
lib.register_thread_callback(thread_callback)
while True:
pass
----------
nosy: +amaury
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