diff options
Diffstat (limited to 'sysdeps/stub/libc-lock.h')
| -rw-r--r-- | sysdeps/stub/libc-lock.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sysdeps/stub/libc-lock.h b/sysdeps/stub/libc-lock.h index ce6cab0f3f..a8608df791 100644 --- a/sysdeps/stub/libc-lock.h +++ b/sysdeps/stub/libc-lock.h @@ -24,7 +24,10 @@ Cambridge, MA 02139, USA. */ /* Define a lock variable NAME with storage class CLASS. The lock must be initialized with __libc_lock_init before it can be used (or define it with __libc_lock_define_initialized, below). Use `extern' for CLASS to - declare a lock defined in another module. */ + declare a lock defined in another module. In public structure + definitions, the lock element must come last, because its storage size + will not be known outside of libc. (Or you can use a pointer to the + lock structure; i.e. NAME begins with a `*'.) */ #define __libc_lock_define(CLASS,NAME) /* Define an initialized lock variable NAME with storage class CLASS. */ @@ -34,6 +37,11 @@ Cambridge, MA 02139, USA. */ state. */ #define __libc_lock_init(NAME) +/* Finalize the named lock variable, which must be locked. It cannot be + used again until __libc_lock_init is called again on it. This must be + called on a lock variable before the containing storage is reused. */ +#define __libc_lock_fini(NAME) + /* Lock the named lock variable. */ #define __libc_lock_lock(NAME) |