From: Jaroslav Kysela <perex@perex.cz>
Date: Tue, 17 Sep 2002 15:28:41 +0000 (+0000)
Subject: Added a lookup for exact ALSA library binary to allow RTLD_LOCAL usage
X-Git-Tag: v1.0.3~385
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=4dbdc06809e8bc4a6dc30fa5ec7b9772be5ae2de;p=alsa-lib.git

Added a lookup for exact ALSA library binary to allow RTLD_LOCAL usage
---

diff --git a/src/dlmisc.c b/src/dlmisc.c
index ed749d3f..a5d174d7 100644
--- a/src/dlmisc.c
+++ b/src/dlmisc.c
@@ -27,6 +27,7 @@
  *
  */
 
+#define _GNU_SOURCE
 #include <dlfcn.h>
 #include "local.h"
 
@@ -50,6 +51,12 @@ void *snd_dlopen(const char *name, int mode)
 #ifndef PIC
 	if (name == NULL)
 		return &snd_dlsym_start;
+#else
+	if (name == NULL) {
+		Dl_info dlinfo;
+		if (dladdr(snd_dlopen, &dlinfo) > 0)
+			name = dlinfo.dli_fname;
+	}
 #endif
 	return dlopen(name, mode);
 }