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windows/windows_mphal: Add basic support for raising KeyboardInterrupt. 

Compiles with mingw32, tested to work erratically under Wine due to
not fully implemented emulation in it.
This commit is contained in:
Paul Sokolovsky 2015-12-18 01:10:58 +02:00
parent 5efd3f0dca
commit 2195046365
1 changed files with 14 additions and 0 deletions
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14
windows/windows_mphal.c
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@ -30,6 +30,7 @@
#include <windows.h>
#include <unistd.h>
#include <signal.h>
HANDLE std_in = NULL;
HANDLE con_out = NULL;
@ -66,6 +67,17 @@ void mp_hal_stdio_mode_orig(void) {
SetConsoleMode(std_in, orig_mode);
}
STATIC void sighandler(int signum) {
if (signum == SIGINT) {
if (MP_STATE_VM(mp_pending_exception) == MP_STATE_VM(keyboard_interrupt_obj)) {
// this is the second time we are called, so die straight away
exit(1);
}
mp_obj_exception_clear_traceback(MP_STATE_VM(keyboard_interrupt_obj));
MP_STATE_VM(mp_pending_exception) = MP_STATE_VM(keyboard_interrupt_obj);
}
}
void mp_hal_set_interrupt_char(char c) {
assure_stdin_handle();
if (c == CHAR_CTRL_C) {
@ -73,11 +85,13 @@ void mp_hal_set_interrupt_char(char c) {
GetConsoleMode(std_in, &mode);
mode |= ENABLE_PROCESSED_INPUT;
SetConsoleMode(std_in, mode);
signal(SIGINT, sighandler);
} else {
DWORD mode;
GetConsoleMode(std_in, &mode);
mode &= ~ENABLE_PROCESSED_INPUT;
SetConsoleMode(std_in, mode);
signal(SIGINT, SIG_DFL);
}
}