#include <string.h>
#include "pthread_impl.h"
#include "syscall.h"
-#include "libc.h"
-__attribute__((__visibility__("hidden")))
-long __cancel(), __syscall_cp_asm(), __syscall_cp_c();
+hidden long __cancel(), __syscall_cp_asm(), __syscall_cp_c();
long __cancel()
{
set->__bits[s/8/sizeof *set->__bits] |= 1UL<<(s&8*sizeof *set->__bits-1);
}
-__attribute__((__visibility__("hidden")))
-extern const char __cp_begin[1], __cp_end[1], __cp_cancel[1];
+extern hidden const char __cp_begin[1], __cp_end[1], __cp_cancel[1];
static void cancel_handler(int sig, siginfo_t *si, void *ctx)
{
_sigaddset(&uc->uc_sigmask, SIGCANCEL);
- if (self->cancelasync || pc >= (uintptr_t)__cp_begin && pc < (uintptr_t)__cp_end) {
+ if (self->cancelasync) {
+ pthread_sigmask(SIG_SETMASK, &uc->uc_sigmask, 0);
+ __cancel();
+ }
+
+ if (pc >= (uintptr_t)__cp_begin && pc < (uintptr_t)__cp_end) {
uc->uc_mcontext.MC_PC = (uintptr_t)__cp_cancel;
#ifdef CANCEL_GOT
uc->uc_mcontext.MC_GOT = CANCEL_GOT;
static void init_cancellation()
{
struct sigaction sa = {
- .sa_flags = SA_SIGINFO | SA_RESTART,
+ .sa_flags = SA_SIGINFO | SA_RESTART | SA_ONSTACK,
.sa_sigaction = cancel_handler
};
memset(&sa.sa_mask, -1, _NSIG/8);