long (__syscall_cp)(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)
{
pthread_t self;
long r;
if (!libc.has_thread_pointer || (self = __pthread_self())->canceldisable)
return __syscall(nr, u, v, w, x, y, z);
r = __syscall_cp_asm(&self->cancel, nr, u, v, w, x, y, z);
if (r==-EINTR && nr!=SYS_close && self->cancel && !self->canceldisable)
__cancel();
return r;
}
long (__syscall_cp)(long nr, long u, long v, long w, long x, long y, long z)
{
pthread_t self;
uintptr_t old_sp, old_ip;
long r;
if (!libc.main_thread || (self = __pthread_self())->canceldisable)
return __syscall(nr, u, v, w, x, y, z);
old_sp = self->cp_sp;
old_ip = self->cp_ip;
self->cp_sp = 0;
self->cp_ip = 0;
r = __syscall_cp_asm(&self->cp_sp, nr, u, v, w, x, y, z);
self->cp_ip = old_ip;
self->cp_sp = old_sp;
if (r==-EINTR && nr!=SYS_close && self->cancel && !self->canceldisable)
__cancel();
return r;
}