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ProtocolServer: Avoid blocking all downloads when client stops reading

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Fixes #4668.
This commit is contained in:
AnotherTest 2020-12-31 01:42:44 +03:30 • committed by Andreas Kling
parent 83fed3fd5d
commit 2568a93b5d
7 changed files with 45 additions and 28 deletions
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14
Services/ProtocolServer/Protocol.cpp
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@ -26,6 +26,8 @@
#include <AK/HashMap.h>
#include <ProtocolServer/Protocol.h>
#include <fcntl.h>
#include <string.h>
namespace ProtocolServer {
@ -50,4 +52,16 @@ Protocol::~Protocol()
ASSERT_NOT_REACHED();
}
Result<Protocol::Pipe, String> Protocol::get_pipe_for_download()
{
int fd_pair[2] { 0 };
if (pipe(fd_pair) != 0) {
auto saved_errno = errno;
dbgln("Protocol: pipe() failed: {}", strerror(saved_errno));
return String { strerror(saved_errno) };
}
fcntl(fd_pair[1], F_SETFL, fcntl(fd_pair[1], F_GETFL) | O_NONBLOCK);
return Pipe { fd_pair[0], fd_pair[1] };
}
}