projects
/
bluesky.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
|
inline
| side by side (from parent 1:
9882dff
)
SIGUSR1 causes nfsd to dump filesystem state now for debugging.
author
Michael Vrable
<mvrable@cs.ucsd.edu>
Mon, 1 Feb 2010 17:38:25 +0000
(09:38 -0800)
committer
Michael Vrable
<mvrable@cs.ucsd.edu>
Mon, 1 Feb 2010 17:38:25 +0000
(09:38 -0800)
nfs3/rpc.c
patch
|
blob
|
history
diff --git
a/nfs3/rpc.c
b/nfs3/rpc.c
index
2c640d7
..
a807022
100644
(file)
--- a/
nfs3/rpc.c
+++ b/
nfs3/rpc.c
@@
-18,6
+18,7
@@
#include <stdlib.h>
#include <rpc/pmap_clnt.h>
#include <string.h>
#include <stdlib.h>
#include <rpc/pmap_clnt.h>
#include <string.h>
+#include <signal.h>
#include <memory.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <memory.h>
#include <sys/socket.h>
#include <netinet/in.h>
@@
-518,8
+519,22
@@
static GMainLoop *main_loop;
static GThreadPool *rpc_thread_pool;
static GThreadPool *rpc_thread_pool;
+static volatile int fs_dump_requested = 0;
+
+static void sig_handler(int sig)
+{
+ if (sig == SIGUSR1) {
+ fs_dump_requested = 1;
+ }
+}
+
static gboolean async_flushd(gpointer data)
{
static gboolean async_flushd(gpointer data)
{
+ if (fs_dump_requested) {
+ bluesky_debug_dump(fs);
+ fs_dump_requested = 0;
+ }
+
bluesky_flushd_invoke(fs);
return TRUE;
}
bluesky_flushd_invoke(fs);
return TRUE;
}
@@
-541,6
+556,15
@@
static async_rpc_init()
g_source_set_callback(source, async_flushd, NULL, NULL);
g_source_attach(source, main_context);
g_source_unref(source);
g_source_set_callback(source, async_flushd, NULL, NULL);
g_source_attach(source, main_context);
g_source_unref(source);
+
+ /* Signal USR1 is used to request a debugging dump of filesyste info */
+ struct sigaction sa;
+ sa.sa_handler = sig_handler;
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = SA_RESTART;
+ if (sigaction(SIGUSR1, &sa, NULL) < 0) {
+ perror("sigaction");
+ }
}
struct rpc_call_header {
}
struct rpc_call_header {