68 lines
2.4 KiB
Diff
68 lines
2.4 KiB
Diff
From 68f856e8b2617823c1e00e4e4cfaf6da4ce24bcd Mon Sep 17 00:00:00 2001
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From: Christian Hergert <chergert@redhat.com>
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Date: Wed, 13 Nov 2024 15:46:01 -0800
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Subject: [PATCH 25/33] unwinder: wait for completion of subprocess
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---
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src/sysprofd/ipc-unwinder-impl.c | 28 +++++++++++++++++++++++++++-
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1 file changed, 27 insertions(+), 1 deletion(-)
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diff --git a/src/sysprofd/ipc-unwinder-impl.c b/src/sysprofd/ipc-unwinder-impl.c
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index 7f218de6..4341516b 100644
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--- a/src/sysprofd/ipc-unwinder-impl.c
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+++ b/src/sysprofd/ipc-unwinder-impl.c
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@@ -46,6 +46,25 @@ child_setup (gpointer data)
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prctl (PR_SET_PDEATHSIG, SIGKILL);
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}
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+static void
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+ipc_unwinder_impl_wait_cb (GObject *object,
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+ GAsyncResult *result,
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+ gpointer user_data)
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+{
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+ GSubprocess *subprocess = (GSubprocess *)object;
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+ g_autoptr(IpcUnwinderImpl) self = user_data;
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+ g_autoptr(GError) error = NULL;
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+
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+ g_assert (G_IS_SUBPROCESS (subprocess));
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+ g_assert (G_IS_ASYNC_RESULT (result));
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+ g_assert (IPC_IS_UNWINDER_IMPL (self));
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+
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+ if (!g_subprocess_wait_check_finish (subprocess, result, &error))
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+ g_warning ("wait_check failure: %s", error->message);
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+ else
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+ g_info ("sysprof-live-unwinder exited");
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+}
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+
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static gboolean
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ipc_unwinder_impl_handle_unwind (IpcUnwinder *unwinder,
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GDBusMethodInvocation *invocation,
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@@ -155,16 +174,23 @@ ipc_unwinder_impl_handle_unwind (IpcUnwinder *unwinder,
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if (!(subprocess = g_subprocess_launcher_spawnv (launcher, (const char * const *)argv->pdata, &error)))
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{
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+ g_critical ("Failed to start sysprof-live-unwinder: %s", error->message);
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g_dbus_method_invocation_return_gerror (g_steal_pointer (&invocation), error);
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return TRUE;
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}
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+ g_message ("sysprof-live-unwinder started as process %s",
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+ g_subprocess_get_identifier (subprocess));
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+
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ipc_unwinder_complete_unwind (unwinder,
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g_steal_pointer (&invocation),
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out_fd_list,
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g_variant_new_handle (capture_fd_handle));
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- g_subprocess_wait_async (subprocess, NULL, NULL, NULL);
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+ g_subprocess_wait_check_async (subprocess,
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+ NULL,
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+ ipc_unwinder_impl_wait_cb,
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+ g_object_ref (unwinder));
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return TRUE;
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}
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--
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2.45.2
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