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ntp: skip loop test if no server socket is open

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If there is no socket that could receive a request from a client or
peer, we know that nothing can be synchronized to us and no loop is
possible.
This commit is contained in:
Miroslav Lichvar
2019-09-11 18:35:29 +02:00
parent 7a88e0a87b
commit 004986310d
4 changed files with 14 additions and 2 deletions
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3
ntp_io.h
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@@ -53,6 +53,9 @@ extern void NIO_CloseServerSocket(int sock_fd);
/* Function to check if socket is a server socket */
extern int NIO_IsServerSocket(int sock_fd);
/* Function to check if a server socket is currently open */
extern int NIO_IsServerSocketOpen(void);
/* Function to check if client packets can be sent to a server */
extern int NIO_IsServerConnectable(NTP_Remote_Address *remote_addr);