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20 lines
342 B
C
20 lines
342 B
C
#include "wut_socket.h"
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int
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sockatmark(int sockfd)
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{
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char buf[1];
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int rc;
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sockfd = __wut_get_nsysnet_fd(sockfd);
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rc = RPLWRAP(recv)(sockfd, buf, sizeof(buf), MSG_OOB | MSG_PEEK | MSG_DONTWAIT);
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if (rc > 0) {
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return 1;
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}
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rc = __wut_get_nsysnet_result(NULL, rc);
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return (errno == EWOULDBLOCK) ? 0 : rc;
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}
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