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chardev: add a note about frontend sources and context switch

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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190206174328.9736-5-marcandre.lureau@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
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Marc-André Lureau 2019-02-06 18:43:26 +01:00
parent b1f1103dba
commit 64c3f266dd
1 changed files with 3 additions and 0 deletions
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include/chardev/char-fe.h
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@ -184,6 +184,9 @@ void qemu_chr_fe_printf(CharBackend *be, const char *fmt, ...)
* is active; return the #GSource's tag. If it is disconnected,
* or without associated Chardev, return 0.
*
* Note that you are responsible to update the front-end sources if
* you are switching the main context with qemu_chr_fe_set_handlers().
*
* Returns: the source tag
*/
guint qemu_chr_fe_add_watch(CharBackend *be, GIOCondition cond,