ust-fd: Add close_range declaration

[lttng-ust.git] / liblttng-ust-fd / lttng-ust-fd.c

diff --git a/liblttng-ust-fd/lttng-ust-fd.c b/liblttng-ust-fd/lttng-ust-fd.c
deleted file mode 100644 (file)
index 02c40d8..0000000
--- a/liblttng-ust-fd/lttng-ust-fd.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * Copyright (C) 2016  Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; version 2.1 of
- * the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
- */
-
-#define _LGPL_SOURCE
-#include <limits.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <ust-fd.h>
-#include <dlfcn.h>
-
-#include <helper.h>
-#include "usterr-signal-safe.h"
-
-static int (*__lttng_ust_fd_plibc_close)(int fd);
-static int (*__lttng_ust_fd_plibc_fclose)(FILE *stream);
-
-static
-int _lttng_ust_fd_libc_close(int fd)
-{
-       if (!__lttng_ust_fd_plibc_close) {
-               __lttng_ust_fd_plibc_close = dlsym(RTLD_NEXT, "close");
-               if (!__lttng_ust_fd_plibc_close) {
-                       fprintf(stderr, "%s\n", dlerror());
-                       return -1;
-               }
-       }
-       return lttng_ust_safe_close_fd(fd, __lttng_ust_fd_plibc_close);
-}
-
-static
-int _lttng_ust_fd_libc_fclose(FILE *stream)
-{
-       if (!__lttng_ust_fd_plibc_fclose) {
-               __lttng_ust_fd_plibc_fclose = dlsym(RTLD_NEXT, "fclose");
-               if (!__lttng_ust_fd_plibc_fclose) {
-                       fprintf(stderr, "%s\n", dlerror());
-                       return -1;
-               }
-       }
-       return lttng_ust_safe_fclose_stream(stream,
-                       __lttng_ust_fd_plibc_fclose);
-}
-
-int close(int fd)
-{
-       return _lttng_ust_fd_libc_close(fd);
-}
-
-/*
- * Note: fcloseall() is not an issue because it fcloses only the
- * streams it knows about, which differs from the problems caused by
- * gnulib close_stdout(), which does an explicit fclose(stdout).
- */
-int fclose(FILE *stream)
-{
-       return _lttng_ust_fd_libc_fclose(stream);
-}
-
-#if defined(__sun__) || defined(__FreeBSD__)
-/* Solaris and FreeBSD. */
-void closefrom(int lowfd)
-{
-       (void) lttng_ust_safe_closefrom_fd(lowfd, __lttng_ust_fd_plibc_close);
-}
-#elif defined(__NetBSD__) || defined(__OpenBSD__)
-/* NetBSD and OpenBSD. */
-int closefrom(int lowfd)
-{
-       return lttng_ust_safe_closefrom_fd(lowfd, __lttng_ust_fd_plibc_close);
-}
-#else
-/* As far as we know, this OS does not implement closefrom. */
-#endif