diff options
Diffstat (limited to 'kernel/src/libk/serial_stdio.c')
| -rw-r--r-- | kernel/src/libk/serial_stdio.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/src/libk/serial_stdio.c b/kernel/src/libk/serial_stdio.c index 951a170..8c0c527 100644 --- a/kernel/src/libk/serial_stdio.c +++ b/kernel/src/libk/serial_stdio.c @@ -5,6 +5,8 @@ #include <graphics.h> #include <serial.h> +mutex_t serial_stdio_lock; + void serial_print_char(char c) { write_serial(c); @@ -43,6 +45,7 @@ void serial_printf(const char *s, ...) void serial_vprintf(const char *s, va_list list) { + lock(serial_stdio_lock); size_t count = 0; for(size_t i = 0; i < strlen(s); i++) if(s[i] == '%') count++; @@ -63,4 +66,5 @@ void serial_vprintf(const char *s, va_list list) } else serial_print_char(s[i]); } + unlock(serial_stdio_lock); } |