From: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
This patch makes it possible to abort a console countdown by an external
command, for example when fastboot is used. This requires additional
modifications in the external commands, a call to "console_countdown_abort()"
has to be inserted.
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
---
commands/timeout.c | 8 ++++++--
common/console_countdown.c | 15 +++++++++++++++
include/console_countdown.h | 2 ++
3 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/commands/timeout.c b/commands/timeout.c
index ef1a037c1..d197cedd8 100644
--- a/commands/timeout.c
+++ b/commands/timeout.c
@@ -32,7 +32,7 @@ static int do_timeout(int argc, char *argv[])
char str[2] = { };
const char *varname = NULL;
- while((opt = getopt(argc, argv, "crsav:")) > 0) {
+ while ((opt = getopt(argc, argv, "crsav:e")) > 0) {
switch(opt) {
case 'r':
flags |= CONSOLE_COUNTDOWN_RETURN;
@@ -46,6 +46,9 @@ static int do_timeout(int argc, char *argv[])
case 's':
flags |= CONSOLE_COUNTDOWN_SILENT;
break;
+ case 'e':
+ flags |= CONSOLE_COUNTDOWN_EXTERN;
+ break;
case 'v':
varname = optarg;
break;
@@ -73,6 +76,7 @@ BAREBOX_CMD_HELP_TEXT("Options:")
BAREBOX_CMD_HELP_OPT("-a", "interrupt on any key")
BAREBOX_CMD_HELP_OPT("-c", "interrupt on Ctrl-C")
BAREBOX_CMD_HELP_OPT("-r", "interrupt on RETURN")
+BAREBOX_CMD_HELP_OPT("-e", "interrupt on external commands (i.e. fastboot")
BAREBOX_CMD_HELP_OPT("-s", "silent mode")
BAREBOX_CMD_HELP_OPT("-v <VARIABLE>", "export pressed key to environment")
BAREBOX_CMD_HELP_END
@@ -80,7 +84,7 @@ BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(timeout)
.cmd = do_timeout,
BAREBOX_CMD_DESC("wait for a specified timeout")
- BAREBOX_CMD_OPTS("[-acrsv] SECONDS")
+ BAREBOX_CMD_OPTS("[-acrsev] SECONDS")
BAREBOX_CMD_GROUP(CMD_GRP_CONSOLE)
BAREBOX_CMD_HELP(cmd_timeout_help)
BAREBOX_CMD_END
diff --git a/common/console_countdown.c b/common/console_countdown.c
index b2eec72b2..594d3d879 100644
--- a/common/console_countdown.c
+++ b/common/console_countdown.c
@@ -23,6 +23,13 @@
#include <console_countdown.h>
#include <stdio.h>
+static int console_countdown_timeout_abort;
+
+void console_countdown_abort(void)
+{
+ console_countdown_timeout_abort = true;
+}
+
int console_countdown(int timeout_s, unsigned flags, char *out_key)
{
uint64_t start, second;
@@ -48,6 +55,9 @@ int console_countdown(int timeout_s, unsigned flags, char *out_key)
goto out;
key = 0;
}
+ if ((flags & CONSOLE_COUNTDOWN_EXTERN) &&
+ console_countdown_timeout_abort)
+ goto out;
if (!(flags & CONSOLE_COUNTDOWN_SILENT) &&
is_timeout(second, SECOND)) {
printf("\b\b\b\b%4d", countdown--);
@@ -55,6 +65,10 @@ int console_countdown(int timeout_s, unsigned flags, char *out_key)
}
} while (!is_timeout(start, timeout_s * SECOND));
+ if ((flags & CONSOLE_COUNTDOWN_EXTERN) &&
+ console_countdown_timeout_abort)
+ goto out;
+
ret = 0;
out:
@@ -62,6 +76,7 @@ int console_countdown(int timeout_s, unsigned flags, char *out_key)
printf("\n");
if (key && out_key)
*out_key = key;
+ console_countdown_timeout_abort = false;
return ret;
}
diff --git a/include/console_countdown.h b/include/console_countdown.h
index cb46964bc..c6c2d5c00 100644
--- a/include/console_countdown.h
+++ b/include/console_countdown.h
@@ -5,7 +5,9 @@
#define CONSOLE_COUNTDOWN_ANYKEY (1 << 1)
#define CONSOLE_COUNTDOWN_RETURN (1 << 3)
#define CONSOLE_COUNTDOWN_CTRLC (1 << 4)
+#define CONSOLE_COUNTDOWN_EXTERN (1 << 5)
int console_countdown(int timeout_s, unsigned flags, char *out_key);
+void console_countdown_abort(void);
#endif /* __CONSOLE_COUNTDOWN_H */
--
2.11.0
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