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core: add chaining helper functions to callback info

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Helpful when chaining a number of commands together when you want
to schedule the callback info only after all of them complete.
This commit is contained in:
Dan Williams
2010-03-19 10:54:10 -07:00
parent bb62cfe07a
commit 6ca5765eb6
2 changed files with 29 additions and 0 deletions
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23
src/mm-callback-info.c
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@@ -91,6 +91,8 @@ mm_callback_info_schedule (MMCallbackInfo *info)
g_return_if_fail (info->pending_id == 0);
g_return_if_fail (info->called == FALSE);
g_warn_if_fail (info->chain_left == 0);
info->pending_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, callback_info_do, info, callback_info_done);
}
@@ -208,3 +210,24 @@ mm_callback_info_unref (MMCallbackInfo *info)
}
}
void
mm_callback_info_chain_start (MMCallbackInfo *info, guint num)
{
g_return_if_fail (info != NULL);
g_return_if_fail (num > 0);
g_return_if_fail (info->chain_left == 0);
info->chain_left = num;
}
void
mm_callback_info_chain_complete_one (MMCallbackInfo *info)
{
g_return_if_fail (info != NULL);
g_return_if_fail (info->chain_left > 0);
info->chain_left--;
if (info->chain_left == 0)
mm_callback_info_schedule (info);
}