diff options
Diffstat (limited to 'arch/sandbox/lib/common.c')
-rw-r--r-- | arch/sandbox/lib/common.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/sandbox/lib/common.c b/arch/sandbox/lib/common.c index 0924c9bb9a..21ec720d7c 100644 --- a/arch/sandbox/lib/common.c +++ b/arch/sandbox/lib/common.c @@ -97,9 +97,7 @@ int linux_tstc(int fd) /* * We set the timeout here to 100us, because otherwise * U-Boot would eat all cpu resources while waiting - * for input. On the other hand this makes some - * things like networking slow, because U-Boot will - * poll this function very often. + * for input. */ ret = select(fd + 1, &rfds, NULL, NULL, &tv); @@ -109,6 +107,15 @@ int linux_tstc(int fd) return 0; } +int ctrlc(void) +{ + char chr; + + if (linux_read_nonblock(0, &chr, 1) == 1 && chr == 3) + return 1; + return 0; +} + int linux_getc(void) { char ret; |