Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=06063e26bc3ab62aa7aca874c6ce9e7638673838
Commit: 06063e26bc3ab62aa7aca874c6ce9e7638673838
Parent: c283cf2c09ca1b7f1e7677bde384a8f92b1b7584
Author: WANG Cong <[EMAIL PROTECTED]>
AuthorDate: Sat Oct 6 11:17:13 2007 +0800
Committer: Wim Van Sebroeck <[EMAIL PROTECTED]>
CommitDate: Tue Oct 23 20:35:27 2007 +0000
[WATCHDOG] Documentation/watchdog/src/watchdog-simple.c: improve this code
Make some improvements for Documentation/watchdog/src/watchdog-simple.c.
Signed-off-by: WANG Cong <[EMAIL PROTECTED]>
Signed-off-by: Wim Van Sebroeck <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
Documentation/watchdog/src/watchdog-simple.c | 18 ++++++++++++++----
1 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/Documentation/watchdog/src/watchdog-simple.c
b/Documentation/watchdog/src/watchdog-simple.c
index 47801bc..4cf72f3 100644
--- a/Documentation/watchdog/src/watchdog-simple.c
+++ b/Documentation/watchdog/src/watchdog-simple.c
@@ -3,15 +3,25 @@
#include <unistd.h>
#include <fcntl.h>
-int main(int argc, const char *argv[]) {
+int main(void)
+{
int fd = open("/dev/watchdog", O_WRONLY);
+ int ret = 0;
if (fd == -1) {
perror("watchdog");
- exit(1);
+ exit(EXIT_FAILURE);
}
while (1) {
- write(fd, "\0", 1);
- fsync(fd);
+ ret = write(fd, "\0", 1);
+ if (ret != 1) {
+ ret = -1;
+ break;
+ }
+ ret = fsync(fd);
+ if (ret)
+ break;
sleep(10);
}
+ close(fd);
+ return ret;
}
-
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