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Make the Windows Console work better

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The stdio reader thread now appears to be working recursively along
cosmopolitan subprocesses. For example, it's now possible to launch
vim.com from the unbourne.com bestline repl, thanks to hacks plus a
bug fix to select() timeouts.
This commit is contained in:
Justine Tunney 2023-09-07 16:03:19 -07:00
parent 032b1f3449
commit 8bdaddd81d
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
68 changed files with 580 additions and 346 deletions
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8
examples/ctrlc.c
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@ -7,6 +7,7 @@
│ • http://creativecommons.org/publicdomain/zero/1.0/ │
╚─────────────────────────────────────────────────────────────────*/
#endif
#include "libc/assert.h"
#include "libc/calls/calls.h"
#include "libc/calls/struct/sigaction.h"
#include "libc/errno.h"
@ -15,7 +16,9 @@
#include "libc/sock/struct/pollfd.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/f.h"
#include "libc/sysv/consts/limits.h"
#include "libc/sysv/consts/o.h"
#include "libc/sysv/consts/poll.h"
#include "libc/sysv/consts/sig.h"
@ -45,7 +48,7 @@ int main(int argc, char *argv[]) {
// some programs are blocked on cpu rather than i/o
// such programs shall rely on asynchronous signals
printf("doing cpu task...\n");
for (volatile int i = 0; i < INT_MAX / 20; ++i) {
for (volatile int i = 0; i < INT_MAX / 5; ++i) {
if (gotsig) {
printf("\rgot ctrl+c asynchronously\n");
exit(0);
@ -55,7 +58,7 @@ int main(int argc, char *argv[]) {
// posix guarantees atomic i/o if you use pipe_buf sized buffers
// that way we don't need to worry about things like looping and
// we can also be assured that multiple actors wont have tearing
char buf[PIPE_BUF];
char buf[4];
// read data from standard input
//
@ -107,5 +110,6 @@ int main(int argc, char *argv[]) {
// operating system will send SIGPIPE if there's any problem
// which kills the process by default
write(1, buf, got);
write(1, "\n", 1);
}
}