[dpdk-dev,v2,5/5] eal: don't hardcode socket filter value in IPC
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Commit Message
Currently, filter value is hardcoded and disconnected from actual
value returned by eal_mp_socket_path(). Fix this to generate filter
value by deriving it from eal_mp_socket_path() instead.
Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
---
Notes:
v2: added this patch
lib/librte_eal/common/eal_common_proc.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
@@ -504,16 +504,17 @@ int
rte_mp_channel_init(void)
{
char thread_name[RTE_MAX_THREAD_NAME_LEN];
- char *path;
+ char path[PATH_MAX];
int dir_fd;
pthread_t tid;
- snprintf(mp_filter, PATH_MAX, ".%s_unix_*",
- internal_config.hugefile_prefix);
+ /* create filter path */
+ create_socket_path("*", path, sizeof(path));
+ snprintf(mp_filter, sizeof(mp_filter), "%s", basename(path));
- path = strdup(eal_mp_socket_path());
- snprintf(mp_dir_path, PATH_MAX, "%s", dirname(path));
- free(path);
+ /* path may have been modified, so recreate it */
+ create_socket_path("*", path, sizeof(path));
+ snprintf(mp_dir_path, sizeof(mp_dir_path), "%s", dirname(path));
/* lock the directory */
dir_fd = open(mp_dir_path, O_RDONLY);