new file mode 100644
--- /dev/null
+++ b/src/os/unix/ngx_posix_init.c
@@ -0,0 +1,70 @@
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+
+
+int  ngx_max_sockets;
+int  ngx_inherited_nonblocking;
+
+
+int ngx_posix_init(ngx_log_t *log)
+{
+    struct sigaction sa;
+    struct rlimit  rlmt;
+
+    ngx_memzero(&sa, sizeof(struct sigaction));
+    sa.sa_handler = SIG_IGN;
+    sigemptyset(&sa.sa_mask);
+
+    if (sigaction(SIGPIPE, &sa, NULL) == -1) {
+        ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
+                      "sigaction(SIGPIPE, SIG_IGN) failed");
+        return NGX_ERROR;
+    }
+
+
+    if (getrlimit(RLIMIT_NOFILE, &rlmt) == -1) {
+        ngx_log_error(NGX_LOG_ALERT, log, errno,
+                      "getrlimit(RLIMIT_NOFILE) failed)");
+        return NGX_ERROR;
+    }
+
+    ngx_log_error(NGX_LOG_INFO, log, 0,
+                  "getrlimit(RLIMIT_NOFILE): %qd:%qd",
+                  rlmt.rlim_cur, rlmt.rlim_max);
+
+    ngx_max_sockets = rlmt.rlim_cur;
+
+#if (HAVE_INHERITED_NONBLOCK)
+    ngx_inherited_nonblocking = 1;
+#else
+    ngx_inherited_nonblocking = 0;
+#endif
+
+    return NGX_OK;
+}
+
+
+int ngx_posix_post_conf_init(ngx_log_t *log)
+{
+    ngx_fd_t  pp[2];
+
+    if (pipe(pp) == -1) {
+        ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "pipe() failed");
+        return NGX_ERROR;
+    }
+
+    if (dup2(pp[1], STDERR_FILENO) == -1) {
+        ngx_log_error(NGX_LOG_EMERG, log, errno, "dup2(STDERR) failed");
+        return NGX_ERROR;
+    }
+
+    if (pp[1] > STDERR_FILENO) {
+        if (close(pp[1]) == -1) {
+            ngx_log_error(NGX_LOG_EMERG, log, errno, "close() failed");
+            return NGX_ERROR;
+        }
+    }
+
+    return NGX_OK;
+}