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Diffstat (limited to 'src/thread')
-rw-r--r--src/thread/pthread_cancel.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/src/thread/pthread_cancel.c b/src/thread/pthread_cancel.c
index fde09080..0151a1ae 100644
--- a/src/thread/pthread_cancel.c
+++ b/src/thread/pthread_cancel.c
@@ -4,12 +4,11 @@
#include "libc.h"
#ifdef SHARED
-#define hidden __attribute__((__visibility__("hidden")))
-#else
-#define hidden
+__attribute__((__visibility__("hidden")))
#endif
+long __cancel(), __cp_cancel(), __syscall_cp_asm(), __syscall_cp_c();
-hidden long __cancel()
+long __cancel()
{
pthread_t self = __pthread_self();
if (self->canceldisable == PTHREAD_CANCEL_ENABLE || self->cancelasync)
@@ -22,14 +21,12 @@ hidden long __cancel()
* definition of __cp_cancel to undo those adjustments and call __cancel.
* Otherwise, __cancel provides a definition for __cp_cancel. */
-hidden weak_alias(__cancel, __cp_cancel);
+weak_alias(__cancel, __cp_cancel);
-hidden
long __syscall_cp_asm(volatile void *, syscall_arg_t,
syscall_arg_t, syscall_arg_t, syscall_arg_t,
syscall_arg_t, syscall_arg_t, syscall_arg_t);
-hidden
long __syscall_cp_c(syscall_arg_t nr,
syscall_arg_t u, syscall_arg_t v, syscall_arg_t w,
syscall_arg_t x, syscall_arg_t y, syscall_arg_t z)
@@ -55,12 +52,16 @@ static void _sigaddset(sigset_t *set, int sig)
set->__bits[s/8/sizeof *set->__bits] |= 1UL<<(s&8*sizeof *set->__bits-1);
}
+#ifdef SHARED
+__attribute__((__visibility__("hidden")))
+#endif
+extern const char __cp_begin[1], __cp_end[1];
+
static void cancel_handler(int sig, siginfo_t *si, void *ctx)
{
pthread_t self = __pthread_self();
ucontext_t *uc = ctx;
const char *ip = ((char **)&uc->uc_mcontext)[CANCEL_REG_IP];
- hidden extern const char __cp_begin[1], __cp_end[1];
a_barrier();
if (!self->cancel || self->canceldisable == PTHREAD_CANCEL_DISABLE) return;