From fc53809803cd2bc2434e312b19a18fa36776da12 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 12 Jun 2024 05:50:40 +0200 Subject: Adding upstream version 256. Signed-off-by: Daniel Baumann --- src/shared/dlfcn-util.h | 39 --------------------------------------- 1 file changed, 39 deletions(-) delete mode 100644 src/shared/dlfcn-util.h (limited to 'src/shared/dlfcn-util.h') diff --git a/src/shared/dlfcn-util.h b/src/shared/dlfcn-util.h deleted file mode 100644 index 7d8cb4c..0000000 --- a/src/shared/dlfcn-util.h +++ /dev/null @@ -1,39 +0,0 @@ -/* SPDX-License-Identifier: LGPL-2.1-or-later */ -#pragma once - -#include - -#include "macro.h" - -DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(void*, dlclose, NULL); - -int dlsym_many_or_warn_sentinel(void *dl, int log_level, ...) _sentinel_; -int dlopen_many_sym_or_warn_sentinel(void **dlp, const char *filename, int log_level, ...) _sentinel_; - -#define dlsym_many_or_warn(dl, log_level, ...) \ - dlsym_many_or_warn_sentinel(dl, log_level, __VA_ARGS__, NULL) -#define dlopen_many_sym_or_warn(dlp, filename, log_level, ...) \ - dlopen_many_sym_or_warn_sentinel(dlp, filename, log_level, __VA_ARGS__, NULL) - -#define DLSYM_PROTOTYPE(symbol) \ - extern typeof(symbol)* sym_##symbol -#define DLSYM_FUNCTION(symbol) \ - typeof(symbol)* sym_##symbol = NULL - -/* Macro useful for putting together variable/symbol name pairs when calling dlsym_many_or_warn(). Assumes - * that each library symbol to resolve will be placed in a variable with the "sym_" prefix, i.e. a symbol - * "foobar" is loaded into a variable "sym_foobar". */ -#define DLSYM_ARG(arg) \ - ({ assert_cc(__builtin_types_compatible_p(typeof(sym_##arg), typeof(&arg))); &sym_##arg; }), STRINGIFY(arg) - -/* libbpf is a bit confused about type-safety and API compatibility. Provide a macro that can tape over that mess. Sad. */ -#define DLSYM_ARG_FORCE(arg) \ - &sym_##arg, STRINGIFY(arg) - -static inline void *safe_dlclose(void *p) { - if (!p) - return NULL; - - assert_se(dlclose(p) == 0); - return NULL; -} -- cgit v1.2.3