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select() -> poll() for Windows compat

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This commit is contained in:
Eelco Dolstra 2024-08-21 20:54:02 +02:00
parent ce7cf4a2d3
commit 270c8469d7
1 changed files with 10 additions and 5 deletions
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15
src/libutil/serialise.cc
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@ -165,15 +165,20 @@ bool FdSource::hasData()
if (BufferedSource::hasData()) return true;
while (true) {
struct pollfd fds[1];
fds[0].fd = fd;
fds[0].events = POLLIN;
auto n = poll(fds, 1, 0);
fd_set fds;
FD_ZERO(&fds);
FD_SET(fd, &fds);
struct timeval timeout;
timeout.tv_sec = 0;
timeout.tv_usec = 0;
auto n = select(fd + 1, &fds, nullptr, nullptr, &timeout);
if (n < 0) {
if (errno == EINTR) continue;
throw SysError("polling file descriptor");
}
return n == 1 && (fds[0].events & POLLIN);
return FD_ISSET(fd, &fds);
}
}