diff options
Diffstat (limited to 'sysdeps/mach/hurd')
| -rw-r--r-- | sysdeps/mach/hurd/sysdep-cancel.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/sysdeps/mach/hurd/sysdep-cancel.h b/sysdeps/mach/hurd/sysdep-cancel.h index f686a39024..669c17151a 100644 --- a/sysdeps/mach/hurd/sysdep-cancel.h +++ b/sysdeps/mach/hurd/sysdep-cancel.h @@ -1,8 +1,24 @@ #include <sysdep.h> +int __pthread_enable_asynccancel (void); +void __pthread_disable_asynccancel (int oldtype); + +#pragma weak __pthread_enable_asynccancel +#pragma weak __pthread_disable_asynccancel + /* Always multi-thread (since there's at least the sig handler), but no handling enabled. */ #define SINGLE_THREAD_P (0) #define RTLD_SINGLE_THREAD_P (0) -#define LIBC_CANCEL_ASYNC() 0 /* Just a dummy value. */ -#define LIBC_CANCEL_RESET(val) ((void)(val)) /* Nothing, but evaluate it. */ + +#define LIBC_CANCEL_ASYNC() ({ \ + int __cancel_oldtype = 0; \ + if (__pthread_enable_asynccancel) \ + __cancel_oldtype = __pthread_enable_asynccancel(); \ + __cancel_oldtype; \ +}) + +#define LIBC_CANCEL_RESET(val) do { \ + if (__pthread_disable_asynccancel) \ + __pthread_disable_asynccancel (val); \ +} while (0) |