diff options
Diffstat (limited to 'usr.sbin/watch/watch.c')
| -rw-r--r-- | usr.sbin/watch/watch.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/usr.sbin/watch/watch.c b/usr.sbin/watch/watch.c index 1e630dbc85a3..049fc84297d2 100644 --- a/usr.sbin/watch/watch.c +++ b/usr.sbin/watch/watch.c @@ -25,6 +25,7 @@ __FBSDID("$FreeBSD$"); #include <sys/module.h> #include <err.h> +#include <errno.h> #include <locale.h> #include <paths.h> #include <signal.h> @@ -165,8 +166,11 @@ open_snp(void) if (opt_snpdev == NULL) for (c = '0'; c <= '9'; c++) { snp[pos] = c; - if ((f = open(snp, mode)) < 0) - continue; + if ((f = open(snp, mode)) < 0) { + if (errno == EBUSY) + continue; + err(1, "open %s", snp); + } return f; } else @@ -331,8 +335,8 @@ main(int ac, char *av[]) signal(SIGINT, cleanup); - setup_scr(); snp_io = open_snp(); + setup_scr(); if (*(av += optind) == NULL) { if (opt_interactive && !opt_no_switch) |