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Make stdin pollable on Windows

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You can now play Super Mario Bros in CMD.EXE using Cosmopolitan! This is
thanks to a new worker thread that's spawned on Windows whenever any one
of poll(), select(), or ioctl(FIONREAD) is linked.
This commit is contained in:
Justine Tunney 2023-08-13 22:42:25 -07:00
parent ef6387ee5e
commit 9c0821def7
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GPG key ID: BE714B4575D6E328
15 changed files with 280 additions and 58 deletions
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6
libc/calls/poll-nt.c
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@ -32,6 +32,8 @@
#include "libc/nt/runtime.h"
#include "libc/nt/struct/pollfd.h"
#include "libc/nt/synchronization.h"
#include "libc/nt/thread.h"
#include "libc/nt/thunk/msabi.h"
#include "libc/nt/winsock.h"
#include "libc/sock/internal.h"
#include "libc/sock/struct/pollfd.h"
@ -43,6 +45,8 @@
#ifdef __x86_64__
__static_yoink("WinMainStdin");
/*
* Polls on the New Technology.
*
@ -92,7 +96,7 @@ textwindows int sys_poll_nt(struct pollfd *fds, uint64_t nfds, uint64_t *ms,
}
} else if (pn < ARRAYLEN(pipefds)) {
pipeindices[pn] = i;
pipefds[pn].handle = g_fds.p[fds[i].fd].handle;
pipefds[pn].handle = __resolve_stdin_handle(g_fds.p[fds[i].fd].handle);
pipefds[pn].events = 0;
pipefds[pn].revents = 0;
switch (g_fds.p[fds[i].fd].flags & O_ACCMODE) {