diff options
| -rw-r--r-- | arch/sandbox/cpu/cpu.c | 2 | ||||
| -rw-r--r-- | arch/sandbox/cpu/os.c | 8 | ||||
| -rw-r--r-- | include/os.h | 8 |
3 files changed, 15 insertions, 3 deletions
diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c index b6aae3718a..02c4cd366d 100644 --- a/arch/sandbox/cpu/cpu.c +++ b/arch/sandbox/cpu/cpu.c @@ -22,6 +22,8 @@ unsigned long map_len; void reset_cpu(ulong ignored) { + /* Do this here while it still has an effect */ + os_fd_restore(); if (state_uninit()) os_exit(2); diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c index e6dd17e9ef..8a4d719835 100644 --- a/arch/sandbox/cpu/os.c +++ b/arch/sandbox/cpu/os.c @@ -107,10 +107,12 @@ void os_exit(int exit_code) static struct termios orig_term; static bool term_setup; -static void os_fd_restore(void) +void os_fd_restore(void) { - if (term_setup) + if (term_setup) { tcsetattr(0, TCSANOW, &orig_term); + term_setup = false; + } } /* Put tty into raw mode so <tab> and <ctrl+c> work */ @@ -120,7 +122,6 @@ void os_tty_raw(int fd, bool allow_sigs) if (term_setup) return; - term_setup = true; /* If not a tty, don't complain */ if (tcgetattr(fd, &orig_term)) @@ -134,6 +135,7 @@ void os_tty_raw(int fd, bool allow_sigs) if (tcsetattr(fd, TCSANOW, &term)) return; + term_setup = true; atexit(os_fd_restore); } diff --git a/include/os.h b/include/os.h index ffbdce8464..954a48c991 100644 --- a/include/os.h +++ b/include/os.h @@ -112,6 +112,14 @@ void os_exit(int exit_code) __attribute__((noreturn)); void os_tty_raw(int fd, bool allow_sigs); /** + * Restore the tty to its original mode + * + * Call this to restore the original terminal mode, after it has been changed + * by os_tty_raw(). This is an internal function. + */ +void os_fd_restore(void); + +/** * Acquires some memory from the underlying os. * * \param length Number of bytes to be allocated |
