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Diffstat (limited to 'src/thread/pthread_cancel.c')
-rw-r--r--src/thread/pthread_cancel.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/thread/pthread_cancel.c b/src/thread/pthread_cancel.c
index 7c5dda31..fde09080 100644
--- a/src/thread/pthread_cancel.c
+++ b/src/thread/pthread_cancel.c
@@ -3,7 +3,13 @@
#include "syscall.h"
#include "libc.h"
-long __cancel()
+#ifdef SHARED
+#define hidden __attribute__((__visibility__("hidden")))
+#else
+#define hidden
+#endif
+
+hidden long __cancel()
{
pthread_t self = __pthread_self();
if (self->canceldisable == PTHREAD_CANCEL_ENABLE || self->cancelasync)
@@ -16,12 +22,14 @@ long __cancel()
* definition of __cp_cancel to undo those adjustments and call __cancel.
* Otherwise, __cancel provides a definition for __cp_cancel. */
-weak_alias(__cancel, __cp_cancel);
+hidden 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)
@@ -52,7 +60,7 @@ 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];
- extern const char __cp_begin[1], __cp_end[1];
+ hidden extern const char __cp_begin[1], __cp_end[1];
a_barrier();
if (!self->cancel || self->canceldisable == PTHREAD_CANCEL_DISABLE) return;