lib: macos: Call pthread_cancel only for macOS

Signed-off-by: Hiroshi Hatake <[email protected]>

Author: cosmo0920

src/flb_lib.c

@@ -667,7 +667,9 @@ int flb_start(flb_ctx_t *ctx)
         fd = event->fd;
         bytes = flb_pipe_r(fd, &val, sizeof(uint64_t));
         if (bytes <= 0) {
+#if defined(FLB_SYSTEM_MACOS)
             pthread_cancel(tid);
+#endif
             pthread_join(tid, NULL);
             ctx->status = FLB_LIB_ERROR;
             return -1;
@@ -680,7 +682,9 @@ int flb_start(flb_ctx_t *ctx)
         }
         else if (val == FLB_ENGINE_FAILED) {
             flb_error("[lib] backend failed");
+#if defined(FLB_SYSTEM_MACOS)
             pthread_cancel(tid);
+#endif
             pthread_join(tid, NULL);
             ctx->status = FLB_LIB_ERROR;
             return -1;
@@ -712,7 +716,9 @@ int flb_stop(flb_ctx_t *ctx)
          * the service exited for some reason (plugin action). Always
          * wait and double check that the child thread is not running.
          */
+#if defined(FLB_SYSTEM_MACOS)
         pthread_cancel(tid);
+#endif
         pthread_join(tid, NULL);
         return 0;
     }
@@ -728,7 +734,9 @@ int flb_stop(flb_ctx_t *ctx)
     flb_debug("[lib] sending STOP signal to the engine");
 
     flb_engine_exit(ctx->config);
+#if defined(FLB_SYSTEM_MACOS)
     pthread_cancel(tid);
+#endif
     ret = pthread_join(tid, NULL);
     if (ret != 0) {
         flb_errno();