diff options
Diffstat (limited to 'src/thread/pthread_cancel.c')
| -rw-r--r-- | src/thread/pthread_cancel.c | 17 |
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; |