diff options
Diffstat (limited to 'src/core/ao_stdio.c')
| -rw-r--r-- | src/core/ao_stdio.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/src/core/ao_stdio.c b/src/core/ao_stdio.c index 656b23c9..8cf66a23 100644 --- a/src/core/ao_stdio.c +++ b/src/core/ao_stdio.c @@ -96,21 +96,23 @@ flush(void) __xdata uint8_t ao_stdin_ready; char -getchar(void) __reentrant __critical +getchar(void) __reentrant { char c; - int8_t stdio = ao_cur_stdio; + ao_arch_critical( + int8_t stdio = ao_cur_stdio; - for (;;) { - c = ao_stdios[stdio].pollchar(); - if (c != AO_READ_AGAIN) - break; - if (++stdio == ao_num_stdios) - stdio = 0; - if (stdio == ao_cur_stdio) - ao_sleep(&ao_stdin_ready); - } - ao_cur_stdio = stdio; + for (;;) { + c = ao_stdios[stdio].pollchar(); + if (c != AO_READ_AGAIN) + break; + if (++stdio == ao_num_stdios) + stdio = 0; + if (stdio == ao_cur_stdio) + ao_sleep(&ao_stdin_ready); + } + ao_cur_stdio = stdio; + ); return c; } |