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windows/windows_mphal: Release GIL during system calls.

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This releases the GIL during syscalls that could block.
This commit is contained in:
David Lechner 2020-01-24 11:50:31 -06:00 committed by Damien George
parent 62537a18e3
commit bc3499f010
1 changed files with 8 additions and 1 deletions
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9
ports/windows/windows_mphal.c
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@ -27,6 +27,7 @@
#include "py/mpstate.h"
#include "py/mphal.h"
#include "py/mpthread.h"
#include <sys/time.h>
#include <windows.h>
@ -194,10 +195,14 @@ int mp_hal_stdin_rx_chr(void) {
// poll until key which we handle is pressed
assure_stdin_handle();
BOOL status;
DWORD num_read;
INPUT_RECORD rec;
for (;;) {
if (!ReadConsoleInput(std_in, &rec, 1, &num_read) || !num_read) {
MP_THREAD_GIL_EXIT();
status = ReadConsoleInput(std_in, &rec, 1, &num_read)
MP_THREAD_GIL_ENTER();
if (!status || !num_read) {
return CHAR_CTRL_C; // EOF, ctrl-D
}
if (rec.EventType != KEY_EVENT || !rec.Event.KeyEvent.bKeyDown) { // only want key down events
@ -217,7 +222,9 @@ int mp_hal_stdin_rx_chr(void) {
}
void mp_hal_stdout_tx_strn(const char *str, size_t len) {
MP_THREAD_GIL_EXIT();
write(1, str, len);
MP_THREAD_GIL_ENTER();
}
void mp_hal_stdout_tx_strn_cooked(const char *str, size_t len) {