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replace __wake function with macro that performs direct syscall
[musl]
/
src
/
ldso
/
dynlink.c
diff --git
a/src/ldso/dynlink.c
b/src/ldso/dynlink.c
index
4ce1c3e
..
b1a4409
100644
(file)
--- a/
src/ldso/dynlink.c
+++ b/
src/ldso/dynlink.c
@@
-99,6
+99,7
@@
static int ssp_used;
static int runtime;
static int ldd_mode;
static int ldso_fail;
static int runtime;
static int ldd_mode;
static int ldso_fail;
+static int noload;
static jmp_buf rtld_fail;
static pthread_rwlock_t lock;
static struct debug debug;
static jmp_buf rtld_fail;
static pthread_rwlock_t lock;
static struct debug debug;
@@
-508,7
+509,7
@@
static struct dso *load_library(const char *name)
return p;
}
}
return p;
}
}
- map = map_library(fd, &temp_dso);
+ map =
noload ? 0 :
map_library(fd, &temp_dso);
close(fd);
if (!map) return 0;
close(fd);
if (!map) return 0;
@@
-1027,6
+1028,7
@@
void *dlopen(const char *file, int mode)
orig_tls_offset = tls_offset;
orig_tls_align = tls_align;
orig_tail = tail;
orig_tls_offset = tls_offset;
orig_tls_align = tls_align;
orig_tail = tail;
+ noload = mode & RTLD_NOLOAD;
if (setjmp(rtld_fail)) {
/* Clean up anything new that was (partially) loaded */
if (setjmp(rtld_fail)) {
/* Clean up anything new that was (partially) loaded */
@@
-1050,8
+1052,10
@@
void *dlopen(const char *file, int mode)
} else p = load_library(file);
if (!p) {
} else p = load_library(file);
if (!p) {
- snprintf(errbuf, sizeof errbuf,
- "Error loading shared library %s: %m", file);
+ snprintf(errbuf, sizeof errbuf, noload ?
+ "Library %s is not already loaded" :
+ "Error loading shared library %s: %m",
+ file);
errflag = 1;
goto end;
}
errflag = 1;
goto end;
}
@@
-1091,7
+1095,7
@@
end:
return p;
}
return p;
}
-static int invalid_dso_handle(
struct dso
*h)
+static int invalid_dso_handle(
void
*h)
{
struct dso *p;
for (p=head; p; p=p->next) if (h==p) return 0;
{
struct dso *p;
for (p=head; p; p=p->next) if (h==p) return 0;
@@
-1119,7
+1123,8
@@
static void *do_dlsym(struct dso *p, const char *s, void *ra)
return __tls_get_addr((size_t []){def.dso->tls_id, def.sym->st_value});
return def.dso->base + def.sym->st_value;
}
return __tls_get_addr((size_t []){def.dso->tls_id, def.sym->st_value});
return def.dso->base + def.sym->st_value;
}
- if (invalid_dso_handle(p)) return 0;
+ if (p != RTLD_DEFAULT && p != RTLD_NEXT && invalid_dso_handle(p))
+ return 0;
if (p->ghashtab) {
gh = gnu_hash(s);
sym = gnu_lookup(s, gh, p);
if (p->ghashtab) {
gh = gnu_hash(s);
sym = gnu_lookup(s, gh, p);
@@
-1246,7
+1251,7
@@
int dl_iterate_phdr(int(*callback)(struct dl_phdr_info *info, size_t size, void
return ret;
}
#else
return ret;
}
#else
-static int invalid_dso_handle(
struct dso
*h)
+static int invalid_dso_handle(
void
*h)
{
snprintf(errbuf, sizeof errbuf, "Invalid library handle %p", (void *)h);
errflag = 1;
{
snprintf(errbuf, sizeof errbuf, "Invalid library handle %p", (void *)h);
errflag = 1;