diff options
Diffstat (limited to 'common/console.c')
| -rw-r--r-- | common/console.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/common/console.c b/common/console.c index b6685ecf6a..406722a1da 100644 --- a/common/console.c +++ b/common/console.c @@ -575,6 +575,7 @@ void console_flush(void) EXPORT_SYMBOL(console_flush); static int ctrlc_abort; +static int ctrlc_allowed; void ctrlc_handled(void) { @@ -586,6 +587,9 @@ int ctrlc(void) { int ret = 0; + if (!ctrlc_allowed) + return 0; + if (ctrlc_abort) return 1; @@ -605,5 +609,25 @@ int ctrlc(void) } EXPORT_SYMBOL(ctrlc); +static int console_ctrlc_init(void) +{ + globalvar_add_simple_bool("console.ctrlc_allowed", &ctrlc_allowed); + return 0; +} +device_initcall(console_ctrlc_init); + +void console_ctrlc_allow(void) +{ + ctrlc_allowed = 1; +} + +void console_ctrlc_forbid(void) +{ + ctrlc_allowed = 0; +} + +BAREBOX_MAGICVAR_NAMED(global_console_ctrlc_allowed, global.console.ctrlc_allowed, + "If true, scripts can be aborted with ctrl-c"); + BAREBOX_MAGICVAR_NAMED(global_linux_bootargs_console, global.linux.bootargs.console, "console= argument for Linux from the stdout-path property in /chosen node"); |