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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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9
libc/calls/readv-metal.c
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@ -16,6 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/internal.h"
#include "libc/calls/metalfile.internal.h"
#include "libc/calls/struct/fd.internal.h"
#include "libc/calls/struct/iovec.h"
@ -28,11 +29,11 @@
#ifdef __x86_64__
ssize_t sys_readv_metal(struct Fd *fd, const struct iovec *iov, int iovlen) {
ssize_t sys_readv_metal(int fd, const struct iovec *iov, int iovlen) {
int i;
size_t got, toto;
struct MetalFile *file;
switch (fd->kind) {
switch (g_fds.p[fd].kind) {
case kFdConsole:
/*
* The VGA teletypewriter code may wish to send out "status report"
@ -40,14 +41,14 @@ ssize_t sys_readv_metal(struct Fd *fd, const struct iovec *iov, int iovlen) {
* Read & return these if they are available.
*/
if (_weaken(sys_readv_vga)) {
ssize_t res = _weaken(sys_readv_vga)(fd, iov, iovlen);
ssize_t res = _weaken(sys_readv_vga)(g_fds.p + fd, iov, iovlen);
if (res > 0) return res;
}
/* fall through */
case kFdSerial:
return sys_readv_serial(fd, iov, iovlen);
case kFdFile:
file = (struct MetalFile *)fd->handle;
file = (struct MetalFile *)g_fds.p[fd].handle;
for (toto = i = 0; i < iovlen && file->pos < file->size; ++i) {
got = MIN(iov[i].iov_len, file->size - file->pos);
if (got) memcpy(iov[i].iov_base, file->base, got);