On Wed, Feb 19, 2014 at 1:08 PM, Ben Pfaff <b...@nicira.com> wrote:
> On Fri, Feb 14, 2014 at 03:15:48PM -0800, Gurucharan Shetty wrote:
>> As of now, we are using the process subsystem in
>> ovsdb-server to handle the "--run" command line
>> option. That particular option is not used often
>> and till deemed necessary, make it unsupported on
>> Windows platform.
>>
>> Signed-off-by: Gurucharan Shetty <gshe...@nicira.com>
>
> This makes process_status_msg() return a null pointer instead of a
> string. That could cause problems for the caller (e.g. segfault). I
> think it would be better to return a malloc()'d string for
> consistency. (Probably doesn't matter but just in case.)
Okay.
>
> process_wait() could be implemented as OVS_NOT_REACHED() since after
> all it shouldn't be possible to get a valid "struct process *" on
> Windows.
Okay.
>
> Acked-by: Ben Pfaff <b...@nicira.com>
Thanks. I will add the following incremental and push it in a couple of hours.
diff --git a/lib/process.c b/lib/process.c
index fe93cd0..d0e1882 100644
--- a/lib/process.c
+++ b/lib/process.c
@@ -285,8 +285,8 @@ process_status(const struct process *p)
char *
process_status_msg(int status)
{
-#ifndef _WIN32
struct ds ds = DS_EMPTY_INITIALIZER;
+#ifndef _WIN32
if (WIFEXITED(status)) {
ds_put_format(&ds, "exit status %d", WEXITSTATUS(status));
} else if (WIFSIGNALED(status)) {
@@ -305,10 +305,10 @@ process_status_msg(int status)
if (WCOREDUMP(status)) {
ds_put_cstr(&ds, ", core dumped");
}
- return ds_cstr(&ds);
#else
- return NULL;
+ ds_put_cstr(&ds, "function not supported.");
#endif
+ return ds_cstr(&ds);
}
/* Executes periodic maintenance activities required by the process module. */
@@ -353,6 +353,8 @@ process_wait(struct process *p)
} else {
poll_fd_wait(fds[0], POLLIN);
}
+#else
+ OVS_NOT_REACHED();
#endif
}
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