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fix signal masking race in pthread_create with priority attributes
[musl]
/
src
/
ldso
/
dlinfo.c
diff --git
a/src/ldso/dlinfo.c
b/src/ldso/dlinfo.c
index
63d276d
..
a173d1a
100644
(file)
--- a/
src/ldso/dlinfo.c
+++ b/
src/ldso/dlinfo.c
@@
-1,9
+1,19
@@
#define _GNU_SOURCE
#include <dlfcn.h>
#define _GNU_SOURCE
#include <dlfcn.h>
-int __dlinfo(void *, int, void *);
+__attribute__((__visibility__("hidden")))
+int __dl_invalid_handle(void *);
+
+__attribute__((__visibility__("hidden")))
+void __dl_seterr(const char *, ...);
int dlinfo(void *dso, int req, void *res)
{
int dlinfo(void *dso, int req, void *res)
{
- return __dlinfo(dso, req, res);
+ if (__dl_invalid_handle(dso)) return -1;
+ if (req != RTLD_DI_LINKMAP) {
+ __dl_seterr("Unsupported request %d", req);
+ return -1;
+ }
+ *(struct link_map **)res = dso;
+ return 0;
}
}