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100 lines
1.8 KiB
C
100 lines
1.8 KiB
C
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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int
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main (void)
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{
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#define N 10
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struct gaicb reqmem[N];
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struct gaicb *req[N];
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int n;
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for (n = 0; n < N; ++n)
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{
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asprintf (&reqmem[n].ar_name, "test%d.test.redhat.com", 140 + n);
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reqmem[n].ar_service = NULL;
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reqmem[n].ar_request = NULL;
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reqmem[n].ar_result = NULL;
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req[n] = &reqmem[n];
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}
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if (getaddrinfo_a (GAI_NOWAIT, req, N, NULL) != 0)
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{
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puts ("queue call failed");
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exit (1);
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}
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else
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puts ("queue call successful");
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while (1)
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{
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int any = 0;
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for (n = 0; n < N; ++n)
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if (req[n] != NULL && gai_error (req[n]) != EAI_INPROGRESS)
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{
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if (gai_error (req[n]) == 0)
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{
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struct addrinfo *runp = req[n]->ar_result;
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while (runp != NULL)
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{
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switch (runp->ai_family)
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{
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case PF_INET:
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{
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struct sockaddr_in *sinp;
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sinp = (struct sockaddr_in *) runp->ai_addr;
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printf ("%2d: %s = %s\n", n,
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req[n]->ar_name, inet_ntoa (sinp->sin_addr));
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}
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break;
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default:
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printf ("%2d: family %d\n", n, runp->ai_family);
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break;
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}
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runp = runp->ai_next;
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}
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}
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else
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printf ("error for %d: %s\n", n,
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gai_strerror (gai_error (req[n])));
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req[n] = NULL;
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break;
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}
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else if (req[n] != NULL)
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any = 1;
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if (n == N)
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{
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if (any)
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gai_suspend (req, N, NULL);
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else
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break;
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}
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}
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__libc_write(1,"got all\n", 8);
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for (n = 0; n < N; ++n)
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if (gai_error (&reqmem[n]) == 0)
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{
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struct addrinfo *runp = reqmem[n].ar_result;
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while (runp != NULL)
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{
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struct addrinfo *oldp = runp;
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runp = runp->ai_next;
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freeaddrinfo (oldp);
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}
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}
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return 0;
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}
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