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Make more Windows socket fixes and improvements

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This change makes send() / sendto() always block on Windows. It's needed
because poll(POLLOUT) doesn't guarantee a socket is immediately writable
on Windows, and it caused rsync to fail because it made that assumption.
The only exception is when a SO_SNDTIMEO is specified which will EAGAIN.

Tests are added confirming MSG_WAITALL and MSG_NOSIGNAL work as expected
on all our supported OSes. Most of the platform-specific MSG_FOO magnums
have been deleted, with the exception of MSG_FASTOPEN. Your --strace log
will now show MSG_FOO flags as symbols rather than numbers.

I've also removed cv_wait_example_test because it's 0.3% flaky with Qemu
under system load since it depends on a process being readily scheduled.
This commit is contained in:
Justine Tunney 2024-09-18 19:54:56 -07:00
parent ce2fbf9325
commit 87a6669900
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GPG key ID: BE714B4575D6E328
41 changed files with 584 additions and 184 deletions
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10
third_party/lua/lunix.c vendored
View file

@ -3439,12 +3439,14 @@ int LuaUnix(lua_State *L) {
LuaSetIntField(L, "SHUT_RDWR", SHUT_RDWR);
// recvfrom() / sendto() flags
LuaSetIntField(L, "MSG_WAITALL", MSG_WAITALL);
LuaSetIntField(L, "MSG_DONTROUTE", MSG_DONTROUTE);
LuaSetIntField(L, "MSG_PEEK", MSG_PEEK);
LuaSetIntField(L, "MSG_OOB", MSG_OOB);
LuaSetIntField(L, "MSG_PEEK", MSG_PEEK);
LuaSetIntField(L, "MSG_DONTROUTE", MSG_DONTROUTE);
LuaSetIntField(L, "MSG_DONTWAIT", MSG_DONTWAIT);
LuaSetIntField(L, "MSG_NOSIGNAL", MSG_NOSIGNAL);
LuaSetIntField(L, "MSG_MORE", MSG_MORE);
LuaSetIntField(L, "MSG_WAITALL", MSG_WAITALL);
LuaSetIntField(L, "MSG_TRUNC", MSG_TRUNC);
LuaSetIntField(L, "MSG_CTRUNC", MSG_CTRUNC);
// readdir() type
LuaSetIntField(L, "DT_UNKNOWN", DT_UNKNOWN);