search for: array_len

--- generator/generator_gobject.ml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/generator/generator_gobject.ml b/generator/generator_gobject.ml index e4c175b..48ddbf0 100644 --- a/generator/generator_gobject.ml +++ b/generator/generator_gobject.ml @@ -391,7 +391,7 @@ let generate_gobject_optargs_source name optargs flags () = pr "G_DEFINE_TYPE(%s, guestfs_%s,

...ignal handler called> () at /lib/x86_64-linux-gnu/ > libpthread.so.0 > #2 ?0x00007ffff6f77701 in _Py_INCREF (op=<optimized out>) at /usr/include/ > python3.9/object.h:408 > #3 ?guestfs_int_py_event_callback_wrapper > ? ? (g=<optimized out>, flags=<optimized out>, array_len=0, array=0x0, buf_len= > 47, buf=0x113b8a0 "gs=0x0\r\ncommandrvf: udevadm --debug settle -E \303by", > event_handle=0, event=16, callback=0x7ffff2516600) at handle.c:137 > #4 ?guestfs_int_py_event_callback_wrapper > ? ? (g=<optimized out>, callback=0x7ffff2516600, event=...

...on/handle.c index ffd0794d8..659bb5b06 100644 --- a/python/handle.c +++ b/python/handle.c @@ -112,13 +112,17 @@ guestfs_int_py_event_callback_wrapper (guestfs_h *g, const char *buf, size_t buf_len, const uint64_t *array, size_t array_len) { - PyGILState_STATE py_save = PyGILState_UNLOCKED; + PyGILState_STATE py_save; PyObject *py_callback = callback; PyObject *py_array; PyObject *args; PyObject *a; size_t i; PyObject *py_r; + int threads_initialized = PyEval_ThreadsInitialized (); + + if (threads_initialized)...

...0x00007ffff7fac140 in <signal handler called> () at /lib/x86_64-linux-gnu/libpthread.so.0 #2 0x00007ffff6f77701 in _Py_INCREF (op=<optimized out>) at /usr/include/python3.9/object.h:408 #3 guestfs_int_py_event_callback_wrapper (g=<optimized out>, flags=<optimized out>, array_len=0, array=0x0, buf_len=47, buf=0x113b8a0 "gs=0x0\r\ncommandrvf: udevadm --debug settle -E \303by", event_handle=0, event=16, callback=0x7ffff2516600) at handle.c:137 #4 guestfs_int_py_event_callback_wrapper (g=<optimized out>, callback=0x7ffff2516600, event=16, event_handle=0, f...

...guestfs_h *g, void *opaque, uint64_t event, int event_handle, int flags, const char *buf, size_t buf_len, const uint64_t *array, size_t array_len); #endif #define LIBGUESTFS_HAVE_SET_EVENT_CALLBACK 1 int guestfs_set_event_callback (guestfs_h *g, guestfs_event_callback cb, uint64_t event_bitmask, int flags, void *op...

Hello, My configuration is : Card 0 - kernel dummy sound card Card 1 - my soundcard I have a jackd running in background. My jackd launch command is : jackd --port-max 16 --realtime --no-mlock -d alsa --playback hw:1,0 --capture hw:1,0 --rate 8000 --period 1024 --shorts --inchannels 2 --outchannels 2 --dither triangular & 1 ) I open asterisk with chan_alsa.so connected (with asoundrc) to

...* Ensure we are holding the GC lock before any GC operations are * possible. (RHBZ#725824) */ - caml_leave_blocking_section (); + caml_acquire_runtime_system (); event_callback_wrapper_locked (g, data, event, event_handle, flags, buf, buf_len, array, array_len); - caml_enter_blocking_section (); + caml_release_runtime_system (); } value -- 2.41.0

No action required here as I have pushed this already, this is just for your information. Rich.

I won't pretend I really understand what's going on here. I've CC'd this message to Chris since he might have a better idea. https://bugzilla.redhat.com/show_bug.cgi?id=733297 In this bug, it appears that the event log callback goes out of scope and is garbage collected. (This is despite the fact we registered it as a global root). When we invoke the callback later,

...;+ _g: *const base::guestfs_h, >+ opaque: *const c_void, >+ event: u64, >+ event_handle: i32, >+ _flags: i32, >+ buf: *const c_char, >+ buf_len: usize, >+ array: *const u64, >+ array_len: usize, >+ ) where >+ C: Fn(guestfs::Event, EventHandle, &[u8], &[u64]), >+ { >+ // trampoline function >+ // c.f. https://s3.amazonaws.com/temp.michaelfbryan.com/callbacks/index.html >+ >+ let event = match gues...

...d when the handle is closed. Perform any cleanups required in + * the pass_data here. + */ +static void +close_callback (guestfs_h *g, void *datavp, uint64_t source, + int eh, int flags, + const char *buf, size_t buf_len, + const uint64_t *array, size_t array_len) +{ + struct pass_data *data = datavp; + struct event *event; + + if (!data->seen_launch) + return; + + event = add_event (data, source); + event->message = strdup ("close callback"); + if (event->message == NULL) + error (EXIT_FAILURE, errno, "strdup"); + +...

...;C" fn trampoline<C>( + _g: *const base::guestfs_h, + opaque: *const c_void, + event: u64, + event_handle: i32, + _flags: i32, + buf: *const c_char, + buf_len: usize, + array: *const u64, + array_len: usize, + ) where + C: Fn(guestfs::Event, EventHandle, &[u8], &[u64]), + { + // trampoline function + // c.f. https://s3.amazonaws.com/temp.michaelfbryan.com/callbacks/index.html + + let event = match guestfs::Event::from_bitmask(eve...

...> python3.9/object.h:408 > 408 ? ?op->ob_refcnt++; > (gdb) bt > #0 ?0x00007f6dd17b4701 in _Py_INCREF (op=<optimized out>) at /usr/include/ > python3.9/object.h:408 > #1 ?guestfs_int_py_event_callback_wrapper > ? ? (g=<optimized out>, flags=<optimized out>, array_len=0, array=0x0, buf_len= > 43, buf=0xd1dc90 "commandrvf: udevadm --debug settle -E /\347\232\204\303 > available\r\ned7 > #2 ?guestfs_int_py_event_callback_wrapper > ? ? (g=<optimized out>, callback=0x7f6dd19ec040, event=16, event_handle=0, > flags=<optimized out>, buf...

..., > >+ opaque: *const c_void, > >+ event: u64, > >+ event_handle: i32, > >+ _flags: i32, > >+ buf: *const c_char, > >+ buf_len: usize, > >+ array: *const u64, > >+ array_len: usize, > >+ ) where > >+ C: Fn(guestfs::Event, EventHandle, &[u8], &[u64]), > >+ { > >+ // trampoline function > >+ // c.f. > https://s3.amazonaws.com/temp.michaelfbryan.com/callbacks/index.html > >+ >...

...BZ#725824) */ - caml_leave_blocking_section (); + bool in_blocking_section = (caml_state == NULL); + + if (in_blocking_section) + caml_leave_blocking_section (); event_callback_wrapper_locked (g, data, event, event_handle, flags, buf, buf_len, array, array_len); - caml_enter_blocking_section (); + if (in_blocking_section) + caml_enter_blocking_section (); } value -- 2.40.1

v4: - Lots more analysis of the /init script and other parts. - Display a list of the longest to shortest activities. - Rebase on top of current head. Rich.

...b/utils/qemu-boot/qemu-boot.c @@ -74,7 +74,7 @@ static void run_test (size_t P); static void *start_thread (void *thread_data_vp); static void message_callback (guestfs_h *g, void *opaque, uint64_t event, int event_handle, int flags, const char *buf, size_t buf_len, const uint64_t *array, size_t array_len); -static void +static void __attribute__((noreturn)) usage (int exitcode) { fprintf (stderr, diff --git a/utils/qemu-speed-test/qemu-speed-test.c b/utils/qemu-speed-test/qemu-speed-test.c index 54875fa..5aa663c 100644 --- a/utils/qemu-speed-test/qemu-speed-test.c +++ b/utils/qemu-speed-test...

As in the example code below. static void do_auth (guestfs_h *g, void *opaque, uint64_t event, int event_handle, int flags, const char *buf, size_t buf_len, const uint64_t *array, size_t array_len) { char **creds; size_t i; char *prompt; char *reply; size_t replylen; // buf will be the libvirt URI. It is always \0-terminated so // buf_len can be ignored in this case. printf ("Authentication required for libvirt connection '%s'\n", buf); // Ask libguestf...

...that any libvirt authentication\n" + "required to connect to the server should be done.\n" + "\n"); +} + +static void auth_callback (guestfs_h *g, void *opaque, uint64_t event, int event_handle, int flags, const char *buf, size_t buf_len, const uint64_t *array, size_t array_len); + +int +main (int argc, char *argv[]) +{ + const char *uri, *dom; + guestfs_h *g; + const char *creds[] = { "authname", "passphrase", + "echoprompt", "noechoprompt", NULL }; + int r, eh; + char **filesystems; + size_t i; + +...

...;C" fn trampoline<C>( + _g: *const base::guestfs_h, + opaque: *const c_void, + event: u64, + event_handle: i32, + _flags: i32, + buf: *const c_char, + buf_len: usize, + array: *const u64, + array_len: usize, + ) where + C: Fn(guestfs::Event, EventHandle, &[u8], &[u64]), + { + // trampoline function + // c.f. https://s3.amazonaws.com/temp.michaelfbryan.com/callbacks/index.html + + let event = match guestfs::Event::from_bitmask(eve...