| 36,10 → 36,11 |
|---|
| #include <stdio.h> |
| #include <unistd.h> |
| #include <io/printf_core.h> |
| #include <futex.h> |
| |
| int vprintf_write(const char *str, size_t count, void *unused); |
| atomic_t printf_futex = FUTEX_INITIALIZER; |
| |
| int vprintf_write(const char *str, size_t count, void *unused) |
| static int vprintf_write(const char *str, size_t count, void *unused) |
| { |
| return write(1, str, count); |
| } |
| 51,9 → 52,13 |
|---|
| */ |
| int vprintf(const char *fmt, va_list ap) |
| { |
| struct printf_spec ps = {(int(*)(void *, size_t, void *))vprintf_write, NULL}; |
| return printf_core(fmt, &ps, ap); |
| |
| struct printf_spec ps = {(int(*)(void *, size_t, void *)) vprintf_write, NULL}; |
| |
| futex_down(&printf_futex); |
| int ret = printf_core(fmt, &ps, ap); |
| futex_up(&printf_futex); |
| |
| return ret; |
| } |
| |
| /** @} |