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Nonblocking connect for TCP sockets.

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This commit is contained in:
Philip Homburg 2005-09-30 12:50:50 +00:00
parent 4ac2d8d392
commit 731eee27c3
1 changed files with 15 additions and 2 deletions
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17
lib/ip/connect.c
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@ -1,4 +1,5 @@
#include <errno.h> #include <errno.h>
#include <fcntl.h>
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <sys/ioctl.h> #include <sys/ioctl.h>
@ -79,9 +80,21 @@ static int _tcp_connect(int socket, const struct sockaddr *address,
tcpconf.nwtc_remport= sinp->sin_port; tcpconf.nwtc_remport= sinp->sin_port;
if (ioctl(socket, NWIOSTCPCONF, &tcpconf) == -1) if (ioctl(socket, NWIOSTCPCONF, &tcpconf) == -1)
return -1; {
/* Ignore EISCONN error. The NWIOTCPCONN ioctl will get the
* right error.
*/
if (errno != EISCONN)
return -1;
}
tcpcl.nwtcl_flags= 0; tcpcl.nwtcl_flags= TCF_DEFAULT;
r= fcntl(socket, F_GETFL);
if (r == 1)
return -1;
if (r & O_NONBLOCK)
tcpcl.nwtcl_flags |= TCF_ASYNCH;
r= ioctl(socket, NWIOTCPCONN, &tcpcl); r= ioctl(socket, NWIOTCPCONN, &tcpcl);
return r; return r;