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always export iscsi_set_tcp_keepalive()

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Set only the (socket) options which are defined on a given platform.
The function becomes a no-op if no option is known at complie time.
Remove autoconf test for HAVE_TCP_KEEPALIVE too.

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Michael Tokarev
2012-05-12 01:20:01 +04:00
committed by Ronnie Sahlberg
parent c91de1e35a
commit aee0e3bf72
3 changed files with 10 additions and 19 deletions
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15
lib/socket.c
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@@ -460,9 +460,7 @@ iscsi_service(struct iscsi_context *iscsi, int revents)
return -1;
}
#ifdef HAVE_TCP_KEEPALIVE
iscsi_set_tcp_keepalive(iscsi, 30, 3, 30);
#endif
iscsi->is_connected = 1;
iscsi->socket_status_cb(iscsi, SCSI_STATUS_GOOD, NULL,
iscsi->connect_data);
@@ -540,39 +538,42 @@ iscsi_free_iscsi_inqueue(struct iscsi_in_pdu *inqueue)
}
}
#ifdef HAVE_TCP_KEEPALIVE
int iscsi_set_tcp_keepalive(struct iscsi_context *iscsi, int idle, int count, int interval)
{
int value;
#ifdef SO_KEEPALIVE
value =1;
if (setsockopt(iscsi->fd, SOL_SOCKET, SO_KEEPALIVE, &value, sizeof(value)) != 0) {
iscsi_set_error(iscsi, "TCP: Failed to set socket option SO_KEEPALIVE. Error %s(%d)", strerror(errno), errno);
return -1;
}
#endif
#ifdef TCP_KEEPCNT
value = count;
if (setsockopt(iscsi->fd, SOL_TCP, TCP_KEEPCNT, &value, sizeof(value)) != 0) {
iscsi_set_error(iscsi, "TCP: Failed to set tcp keepalive count. Error %s(%d)", strerror(errno), errno);
return -1;
}
#endif
#ifdef TCP_KEEPINTVL
value = interval;
if (setsockopt(iscsi->fd, SOL_TCP, TCP_KEEPINTVL, &value, sizeof(value)) != 0) {
iscsi_set_error(iscsi, "TCP: Failed to set tcp keepalive interval. Error %s(%d)", strerror(errno), errno);
return -1;
}
#endif
#ifdef TCP_KEEPIDLE
value = idle;
if (setsockopt(iscsi->fd, SOL_TCP, TCP_KEEPIDLE, &value, sizeof(value)) != 0) {
iscsi_set_error(iscsi, "TCP: Failed to set tcp keepalive idle. Error %s(%d)", strerror(errno), errno);
return -1;
}
#endif
return 0;
}
#endif
#if defined(WIN32)
int poll(struct pollfd *fds, int nfsd, int timeout)
{