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ofp-parse: Make parse_ofp_str() thread-safe.

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Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Andy Zhou <azhou@nicira.com>
This commit is contained in:
Ben Pfaff
2013-04-26 11:22:19 -07:00
parent 2388211565
commit a944ef4079
1 changed files with 5 additions and 0 deletions
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5
lib/ofp-parse.c
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@@ -34,6 +34,7 @@
#include "ofp-util.h" #include "ofp-util.h"
#include "ofpbuf.h" #include "ofpbuf.h"
#include "openflow/openflow.h" #include "openflow/openflow.h"
#include "ovs-thread.h"
#include "packets.h" #include "packets.h"
#include "socket-util.h" #include "socket-util.h"
#include "vconn.h" #include "vconn.h"
@@ -1519,12 +1520,16 @@ static char * WARN_UNUSED_RESULT
parse_flow_monitor_request__(struct ofputil_flow_monitor_request *fmr, parse_flow_monitor_request__(struct ofputil_flow_monitor_request *fmr,
const char *str_, char *string) const char *str_, char *string)
{ {
static pthread_mutex_t mutex = PTHREAD_ADAPTIVE_MUTEX_INITIALIZER;
static uint32_t id; static uint32_t id;
char *save_ptr = NULL; char *save_ptr = NULL;
char *name; char *name;
xpthread_mutex_lock(&mutex);
fmr->id = id++; fmr->id = id++;
xpthread_mutex_unlock(&mutex);
fmr->flags = (NXFMF_INITIAL | NXFMF_ADD | NXFMF_DELETE | NXFMF_MODIFY fmr->flags = (NXFMF_INITIAL | NXFMF_ADD | NXFMF_DELETE | NXFMF_MODIFY
| NXFMF_OWN | NXFMF_ACTIONS); | NXFMF_OWN | NXFMF_ACTIONS);
fmr->out_port = OFPP_NONE; fmr->out_port = OFPP_NONE;