Creating /dev/shm if its not existing, otherwise haveged fails to start.

Signed-off-by: Daniel Baumann <[email protected]>
jirka-h · Jan 18, 2025 · f540edd · f540edd
1 parent 6dcc0bb
commit f540edd
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/haveged.c b/src/haveged.c
@@ -490,6 +490,12 @@ int main(int argc, char **argv)
          }
       }
       /* Initilize named semaphore to synchronize command instances */
+      if (mkdir("/dev/shm", 0755) != 0) {
+        if (errno != EEXIST) {
+          error_exit("Couldn't create /dev/shm directory: %s", strerror(errno));
+        }
+      }
+
       sem = sem_open(SEM_NAME, O_CREAT, 0644, 1);
       if (sem == NULL) {
          fprintf(stderr, "Warning: Couldn't create named semaphore " SEM_NAME" error: %s", strerror(errno));