@@ -381,7 +381,6 @@ enum tracecmd_msg_flags {
};
/* for both client and server */
-#define MSG_CACHE_FILE "/tmp/trace_msg_cacheXXXXXX"
struct tracecmd_msg_handle {
int fd;
short cpu_count;
@@ -390,7 +389,6 @@ struct tracecmd_msg_handle {
bool done;
bool cache;
int cfd;
- char cfile[sizeof(MSG_CACHE_FILE)];
};
struct tracecmd_tsync_protos {
@@ -19,6 +19,7 @@
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
+#include <sys/mman.h>
#include <sys/types.h>
#include <linux/types.h>
@@ -590,11 +591,9 @@ tracecmd_msg_handle_alloc(int fd, unsigned long flags)
int tracecmd_msg_handle_cache(struct tracecmd_msg_handle *msg_handle)
{
if (msg_handle->cfd < 0) {
- strcpy(msg_handle->cfile, MSG_CACHE_FILE);
- msg_handle->cfd = mkstemp(msg_handle->cfile);
+ msg_handle->cfd = memfd_create("trace_msg_cache", 0);
if (msg_handle->cfd < 0)
return -1;
- unlink(msg_handle->cfile);
}
msg_handle->cache = true;
return 0;