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| author | Shuah Khan <shuahkh@osg.samsung.com> | 2016-09-16 17:40:40 -0600 |
|---|---|---|
| committer | Shuah Khan <shuahkh@osg.samsung.com> | 2016-09-23 11:52:14 -0600 |
| commit | 071bf69a0220253a44acb8b2a27f7a262b9a46bf (patch) | |
| tree | 866502794134b58f493a6257d8ff49cd41353237 /Documentation/watchdog | |
| parent | 155fe001c6cd840c1cef3a8c42a8f14296a47c57 (diff) | |
| download | linux-071bf69a0220253a44acb8b2a27f7a262b9a46bf.tar.gz linux-071bf69a0220253a44acb8b2a27f7a262b9a46bf.tar.bz2 linux-071bf69a0220253a44acb8b2a27f7a262b9a46bf.zip | |
samples: move watchdog example code from Documentation
Move watchdog examples to samples and remove it from Documentation
Makefile. Create a new Makefile to build watchdog. It can be built
from top level directory or from watchdog directory:
Run make -C samples/watchdog or cd samples/watchdog; make
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Diffstat (limited to 'Documentation/watchdog')
| -rw-r--r-- | Documentation/watchdog/Makefile | 1 | ||||
| -rw-r--r-- | Documentation/watchdog/src/.gitignore | 1 | ||||
| -rw-r--r-- | Documentation/watchdog/src/Makefile | 5 | ||||
| -rw-r--r-- | Documentation/watchdog/src/watchdog-simple.c | 24 | ||||
| -rw-r--r-- | Documentation/watchdog/watchdog-api.txt | 2 | ||||
| -rw-r--r-- | Documentation/watchdog/wdt.txt | 2 |
6 files changed, 2 insertions, 33 deletions
diff --git a/Documentation/watchdog/Makefile b/Documentation/watchdog/Makefile deleted file mode 100644 index 6018f45f2471..000000000000 --- a/Documentation/watchdog/Makefile +++ /dev/null @@ -1 +0,0 @@ -subdir-y := src diff --git a/Documentation/watchdog/src/.gitignore b/Documentation/watchdog/src/.gitignore deleted file mode 100644 index ff0ebb540333..000000000000 --- a/Documentation/watchdog/src/.gitignore +++ /dev/null @@ -1 +0,0 @@ -watchdog-simple diff --git a/Documentation/watchdog/src/Makefile b/Documentation/watchdog/src/Makefile deleted file mode 100644 index 47be791827d4..000000000000 --- a/Documentation/watchdog/src/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# List of programs to build -hostprogs-y := watchdog-simple - -# Tell kbuild to always build the programs -always := $(hostprogs-y) diff --git a/Documentation/watchdog/src/watchdog-simple.c b/Documentation/watchdog/src/watchdog-simple.c deleted file mode 100644 index ba45803a2216..000000000000 --- a/Documentation/watchdog/src/watchdog-simple.c +++ /dev/null @@ -1,24 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <fcntl.h> - -int main(void) -{ - int fd = open("/dev/watchdog", O_WRONLY); - int ret = 0; - if (fd == -1) { - perror("watchdog"); - exit(EXIT_FAILURE); - } - while (1) { - ret = write(fd, "\0", 1); - if (ret != 1) { - ret = -1; - break; - } - sleep(10); - } - close(fd); - return ret; -} diff --git a/Documentation/watchdog/watchdog-api.txt b/Documentation/watchdog/watchdog-api.txt index b3a701f48118..0e62ba33b7fb 100644 --- a/Documentation/watchdog/watchdog-api.txt +++ b/Documentation/watchdog/watchdog-api.txt @@ -37,7 +37,7 @@ activates as soon as /dev/watchdog is opened and will reboot unless the watchdog is pinged within a certain time, this time is called the timeout or margin. The simplest way to ping the watchdog is to write some data to the device. So a very simple watchdog daemon would look -like this source file: see Documentation/watchdog/src/watchdog-simple.c +like this source file: see samples/watchdog/watchdog-simple.c A more advanced driver could for example check that a HTTP server is still responding before doing the write call to ping the watchdog. diff --git a/Documentation/watchdog/wdt.txt b/Documentation/watchdog/wdt.txt index 061c2e35384f..ed2f0b860869 100644 --- a/Documentation/watchdog/wdt.txt +++ b/Documentation/watchdog/wdt.txt @@ -47,4 +47,4 @@ The external event interfaces on the WDT boards are not currently supported. Minor numbers are however allocated for it. -Example Watchdog Driver: see Documentation/watchdog/src/watchdog-simple.c +Example Watchdog Driver: see samples/watchdog/watchdog-simple.c |