diff options
Diffstat (limited to 'runner/executor.c')
| -rw-r--r-- | runner/executor.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/runner/executor.c b/runner/executor.c index 7e5fbe8f..e562d5b2 100644 --- a/runner/executor.c +++ b/runner/executor.c @@ -25,6 +25,17 @@ static struct { size_t num_dogs; } watchdogs; +static void __close_watchdog(int fd) +{ + ssize_t ret = write(fd, "V", 1); + + if (ret == -1) + fprintf(stderr, "Failed to stop a watchdog: %s\n", + strerror(errno)); + + close(fd); +} + static void close_watchdogs(struct settings *settings) { size_t i; @@ -33,8 +44,7 @@ static void close_watchdogs(struct settings *settings) printf("Closing watchdogs\n"); for (i = 0; i < watchdogs.num_dogs; i++) { - write(watchdogs.fds[i], "V", 1); - close(watchdogs.fds[i]); + __close_watchdog(watchdogs.fds[i]); } } @@ -81,8 +91,7 @@ static int watchdogs_set_timeout(int timeout) for (i = 0; i < watchdogs.num_dogs; i++) { if (ioctl(watchdogs.fds[i], WDIOC_SETTIMEOUT, &timeout)) { - write(watchdogs.fds[i], "V", 1); - close(watchdogs.fds[i]); + __close_watchdog(watchdogs.fds[i]); watchdogs.fds[i] = -1; continue; } @@ -102,9 +111,14 @@ static int watchdogs_set_timeout(int timeout) static void ping_watchdogs(void) { size_t i; + int ret; for (i = 0; i < watchdogs.num_dogs; i++) { - ioctl(watchdogs.fds[i], WDIOC_KEEPALIVE, 0); + ret = ioctl(watchdogs.fds[i], WDIOC_KEEPALIVE, NULL); + + if (ret == -1) + fprintf(stderr, "Failed to ping a watchdog: %s\n", + strerror(errno)); } } |