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