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57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
#include "syshdrs.h"
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#if !defined(NO_UNIX_DOMAIN_SOCKETS)
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int
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UBind(int sockfd, const char *const astr, const int nTries, const int reuseFlag)
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{
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unsigned int i;
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int on;
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int onsize;
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struct sockaddr_un localAddr;
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int ualen;
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ualen = MakeSockAddrUn(&localAddr, astr);
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(void) unlink(localAddr.sun_path);
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if (reuseFlag != kReUseAddrNo) {
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/* This is mostly so you can quit the server and re-run it
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* again right away. If you don't do this, the OS may complain
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* that the address is still in use.
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*/
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on = 1;
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onsize = (int) sizeof(on);
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(void) setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR,
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(char *) &on, onsize);
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}
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for (i=1; ; i++) {
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/* Try binding a few times, in case we get Address in Use
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* errors.
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*/
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if (bind(sockfd, (struct sockaddr *) &localAddr, ualen) == 0) {
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break;
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}
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if (i == (unsigned int) nTries) {
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return (-1);
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}
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/* Give the OS time to clean up the old socket,
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* and then try again.
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*/
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sleep(i * 3);
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}
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return (0);
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} /* UBind */
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int
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UListen(int sfd, int backlog)
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{
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return (listen(sfd, backlog));
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} /* UListen */
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#endif
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