[B20.1 Win95] Problem with socket() function call.
Andrew M. Bishop
amb@gedanken.demon.co.uk
Sun Jan 31 23:52:00 GMT 1999
Is there any reason that the socket() function call should return
EINPROGRESS?
I am seeing this happen with the following test program
-------------------- test.c --------------------
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <netdb.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#define HOST "g1"
#define PORT 8080
int main()
{
int serve,client,pid;
int retval;
struct sockaddr_in server;
struct hostent* hp;
int reuse_addr=1;
int s;
serve=socket(PF_INET,SOCK_STREAM,0);
if(serve==-1)
{fprintf(stderr,"Cannot create server socket [%d].\n",errno);return(1);}
setsockopt(serve,SOL_SOCKET,SO_REUSEADDR,&reuse_addr,sizeof(reuse_addr));
server.sin_family=AF_INET;
server.sin_addr.s_addr=INADDR_ANY;
server.sin_port=htons(PORT);
retval=bind(serve,(struct sockaddr*)&server,sizeof(server));
if(retval==-1)
{fprintf(stderr,"Failed to bind server socket [%d].\n",errno);return(1);}
listen(serve,4);
client=accept(serve,(struct sockaddr*)0,(int*)0);
if(client==-1)
{fprintf(stderr,"Accept on server socket failed [%d].\n",errno);return(1);}
pid=fork();
if(pid==0)
{
close(serve);
hp=gethostbyname(HOST);
if(!hp)
{fprintf(stderr,"Unknown host '%s' [%d].\n",HOST,h_errno);return(1);}
memcpy((char*)&server.sin_addr,(char*)hp->h_addr,sizeof(server.sin_addr));
server.sin_family=AF_INET;
server.sin_port=htons((unsigned short)PORT);
s=socket(PF_INET,SOCK_STREAM,0);
if(s==-1)
{fprintf(stderr,"Cannot create client socket [%d].\n",errno);return(1);}
close(s);
close(client);
}
else if(pid>0)
{
close(client);
sleep(30);
close(serve);
}
return(0);
}
-------------------- test.c --------------------
-------------------- test.log --------------------
[main] TEST 1059 (0) winsock_init: res 0
[main] TEST 1059 (0) winsock_init: wVersion 257
[main] TEST 1059 (0) winsock_init: wHighVersion 257
[main] TEST 1059 (0) winsock_init: szDescription Microsoft Windows Sockets Version 1.1.
[main] TEST 1059 (0) winsock_init: szSystemStatus Running on Windows 95.
[main] TEST 1059 (0) winsock_init: iMaxSockets 256
[main] TEST 1059 (0) winsock_init: iMaxUdpDg 65467
[main] TEST 1059 (0) winsock_init: lpVendorInfo 1627485216
[main] TEST 1059 (0) set_process_mask: old mask = FFFFFFFF, new mask = 0
[main] TEST 1059 (0) __release_signal_mutex: released for /home/noer/src/b20/comp-tools/devo/winsup/exceptions.cc:352
[main] TEST 1059 (0) fork: 0 = fork()
[main] TEST 1059 (0) _close: close (3)
[main] TEST 1059 (0) __block_sig_dispatch: waiting for signal_mutex (0xE)
[main] TEST 1059 (0) __release_signal_mutex: released for /home/noer/src/b20/comp-tools/devo/winsup/winsup.h:720
[main] TEST 1059 (0) _close: 0 = close (3)
[main] TEST 1059 (0) cygwin_gethostbyname: h_name g1
[main] TEST 1059 (0) cygwin_socket: socket (2, 1, 0)
[main] TEST 1059 (0) set_winsock_errno: 10036 (WSAEINPROGRESS) -> 119
[main] TEST 1059 (0) cygwin_socket: -1 = socket (2, 1, 0)
[main] TEST 1059 (0) _write: write (2, 0x253F644, 35)
Cannot create client socket [119].
-------------------- test.log --------------------
Also is there likely to be a Beta 20.2 version of the DLL?
--
Andrew.
----------------------------------------------------------------------
Andrew M. Bishop amb@gedanken.demon.co.uk
http://www.gedanken.demon.co.uk/
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