volser: convert the volume server to opr softsig

Convert the volume server from regular signal handling to the opr soft
signal handling when built with pthreads. This makes it safe to call
pthread functions within signal handlers.

Change-Id: I25b9a9184c526f4ce9b6e2abb25ae9135cc97ec6
Reviewed-on: https://gerrit.openafs.org/11995
Reviewed-by: Perry Ruiter <pruiter@sinenomine.net>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
Tested-by: BuildBot <buildbot@rampaginggeek.com>

diff --git a/src/volser/volmain.c b/src/volser/volmain.c
index cf16ac9..e385214 100644 (file)
--- a/src/volser/volmain.c
+++ b/src/volser/volmain.c
@@ -14,6 +14,8 @@
 #include <afs/opr.h>
 #ifdef AFS_PTHREAD_ENV
 # include <opr/lock.h>
+# include <opr/softsig.h>
+# include <afs/procmgmt_softsig.h> /* must come after softsig */
 #endif
 
 #ifdef AFS_NT40_ENV
@@ -501,7 +503,12 @@ main(int argc, char **argv)
     rx_SetRxDeadTime(420);
     memset(busyFlags, 0, sizeof(busyFlags));
 
+#ifdef AFS_PTHREAD_ENV
+    opr_softsig_Init();
+    SetupLogSoftSignals();
+#else
     SetupLogSignals();
+#endif
 
     {
 #ifdef AFS_PTHREAD_ENV