nginx-0.1.2-RELEASE import

    *) Feature: the --user=USER, --group=GROUP, and --with-ld-opt=OPTIONS
       options in configure.

    *) Feature: the server_name directive supports *.domain.tld.

    *) Bugfix: the portability improvements.

    *) Bugfix: if configuration file was set in command line, the
       reconfiguration was impossible; the bug had appeared in 0.1.1.

    *) Bugfix: proxy module may get caught in an endless loop when sendfile
       is not used.

    *) Bugfix: with sendfile the response was not recoded according to the
       charset module directives; the bug had appeared in 0.1.1.

    *) Bugfix: very seldom bug in the kqueue processing.

    *) Bugfix: the gzip module compressed the proxied responses that was
       already compressed.
diff --git a/src/os/unix/ngx_process.h b/src/os/unix/ngx_process.h
index 0cea302..9cb0700 100644
--- a/src/os/unix/ngx_process.h
+++ b/src/os/unix/ngx_process.h
@@ -54,7 +54,13 @@
 ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx);
 void ngx_process_get_status(void);
 
+
+#if (NGX_HAVE_SCHED_YIELD)
 #define ngx_sched_yield()  sched_yield()
+#else
+#define ngx_sched_yield()  usleep(1)
+#endif
+
 
 extern int            ngx_argc;
 extern char         **ngx_argv;