diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/kwboot.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/tools/kwboot.c b/tools/kwboot.c index b2c4881..a6bfd3d 100644 --- a/tools/kwboot.c +++ b/tools/kwboot.c @@ -404,7 +404,7 @@ out: } static int -kwboot_tty_send(int fd, const void *buf, size_t len) +kwboot_tty_send(int fd, const void *buf, size_t len, int nodrain) { if (!buf) return 0; @@ -412,13 +412,16 @@ kwboot_tty_send(int fd, const void *buf, size_t len) if (kwboot_write(fd, buf, len) < 0) return -1; + if (nodrain) + return 0; + return tcdrain(fd); } static int kwboot_tty_send_char(int fd, unsigned char c) { - return kwboot_tty_send(fd, &c, 1); + return kwboot_tty_send(fd, &c, 1, 0); } static speed_t @@ -705,7 +708,7 @@ kwboot_bootmsg(int tty, void *msg) break; for (count = 0; count < 128; count++) { - rc = kwboot_tty_send(tty, msg, 8); + rc = kwboot_tty_send(tty, msg, 8, 0); if (rc) { usleep(msg_req_delay * 1000); continue; @@ -737,7 +740,7 @@ kwboot_debugmsg(int tty, void *msg) if (rc) break; - rc = kwboot_tty_send(tty, msg, 8); + rc = kwboot_tty_send(tty, msg, 8, 0); if (rc) { usleep(msg_req_delay * 1000); continue; @@ -929,7 +932,7 @@ kwboot_xm_sendblock(int fd, struct kwboot_block *block, int allow_non_xm, retries = 0; do { - rc = kwboot_tty_send(fd, block, sizeof(*block)); + rc = kwboot_tty_send(fd, block, sizeof(*block), 1); if (rc) return rc; |