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@ -8,8 +8,10 @@ int io_passfd(int64 sock,int64 fd) {
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#else
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#define _XOPEN_SOURCE
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#define _XOPEN_SOURCE_EXTENDED 1
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#include <stddef.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <sys/uio.h>
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#include <errno.h>
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@ -25,8 +27,11 @@ union fdmsg {
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int io_passfd(int64 sock,int64 fd) {
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struct msghdr msg;
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struct iovec iov;
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#ifdef CMSG_LEN
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#ifdef CMSG_FIRSTHDR
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struct cmsghdr *cmsg;
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#ifndef CMSG_SPACE
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#define CMSG_SPACE(x) x+100
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#endif
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char buf[CMSG_SPACE(sizeof(int))];
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#endif
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iov.iov_len=1;
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@ -35,12 +40,15 @@ int io_passfd(int64 sock,int64 fd) {
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msg.msg_iovlen=1;
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msg.msg_name=0;
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msg.msg_namelen=0;
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#ifdef CMSG_LEN
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#ifdef CMSG_FIRSTHDR
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msg.msg_control = buf;
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msg.msg_controllen = sizeof(buf);
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cmsg = CMSG_FIRSTHDR(&msg);
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cmsg->cmsg_level = SOL_SOCKET;
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cmsg->cmsg_type = SCM_RIGHTS;
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#ifndef CMSG_LEN
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#define CMSG_LEN(x) x
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#endif
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cmsg->cmsg_len = CMSG_LEN(sizeof(int));
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msg.msg_controllen = cmsg->cmsg_len;
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*((int*)CMSG_DATA(cmsg))=fd;
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