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iscsi.h: document when iscsi_which_events return 0

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Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
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Ronnie Sahlberg
2015-04-15 08:25:16 -07:00
parent d9481ad488
commit f3a3854718
1 changed files with 8 additions and 0 deletions
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8
include/iscsi.h
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@@ -61,6 +61,14 @@ struct sockaddr;
EXTERN int iscsi_get_fd(struct iscsi_context *iscsi);
/*
* Returns which events that we need to poll for for the iscsi file descriptor.
*
* This function can return 0 which means that there are no events to
* poll for at this time. In that case the application should wait some time
* before calling iscsi_which_events() again. This could for example happen
* if we fail to reconnect the TCP session during an automatic session
* reconnect.
* When this function returns 0, the application should wait >=100ms
* before trying again.
*/
EXTERN int iscsi_which_events(struct iscsi_context *iscsi);
/*