25 lines
624 B
C
25 lines
624 B
C
#include <assert.h>
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#include <errno.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include "socket.h"
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void socket_init(int fd) {
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int optval = 1;
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int err = setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &optval, sizeof(optval));
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if (err == -1 && errno == ENOTSOCK) {
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return;
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}
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assert(!err);
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optval = 30;
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assert(!setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE, &optval, sizeof(optval)));
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optval = 10;
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assert(!setsockopt(fd, IPPROTO_TCP, TCP_KEEPINTVL, &optval, sizeof(optval)));
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optval = 3;
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assert(!setsockopt(fd, IPPROTO_TCP, TCP_KEEPCNT, &optval, sizeof(optval)));
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}
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