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| author | Ulrich Drepper <drepper@redhat.com> | 2007-10-10 16:00:14 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2007-10-10 16:00:14 +0000 |
| commit | 59d430c6809871b357f2e9e677ef7fdfc03fbf62 (patch) | |
| tree | 5351e0a72e1895f59b4e4f553527dc80ab8cdac0 /nptl/sysdeps | |
| parent | 5a01ab7b838c967ba38720136a71d8b89d5b79ce (diff) | |
| download | glibc-59d430c6809871b357f2e9e677ef7fdfc03fbf62.tar glibc-59d430c6809871b357f2e9e677ef7fdfc03fbf62.tar.gz glibc-59d430c6809871b357f2e9e677ef7fdfc03fbf62.tar.bz2 glibc-59d430c6809871b357f2e9e677ef7fdfc03fbf62.zip | |
* sysdeps/pthread/bits/libc-lock.h (__libc_rwlock_init): Inside of
libc.so just clear NAME.
(__libc_rwlock_fini): Nop inside of libc.so.
* tst-initializers1.c (main): Test if PTHREAD_RWLOCK_INITIALIZER is
all zeros.
Diffstat (limited to 'nptl/sysdeps')
| -rw-r--r-- | nptl/sysdeps/pthread/bits/libc-lock.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/nptl/sysdeps/pthread/bits/libc-lock.h b/nptl/sysdeps/pthread/bits/libc-lock.h index 45eba06133..a597f3b5a6 100644 --- a/nptl/sysdeps/pthread/bits/libc-lock.h +++ b/nptl/sysdeps/pthread/bits/libc-lock.h @@ -172,8 +172,15 @@ typedef pthread_key_t __libc_key_t; # define __libc_lock_init(NAME) \ __libc_maybe_call (__pthread_mutex_init, (&(NAME), NULL), 0) #endif -#define __libc_rwlock_init(NAME) \ +#if defined SHARED && !defined NOT_IN_libc +/* ((NAME) = (__libc_rwlock_t) PTHREAD_RWLOCK_INITIALIZER, 0) is + inefficient. */ +# define __libc_rwlock_init(NAME) \ + (__builtin_memset (&(NAME), '\0', sizeof (NAME)), 0) +#else +# define __libc_rwlock_init(NAME) \ __libc_maybe_call (__pthread_rwlock_init, (&(NAME), NULL), 0) +#endif /* Same as last but this time we initialize a recursive mutex. */ #if defined _LIBC && (!defined NOT_IN_libc || defined IS_IN_libpthread) @@ -214,8 +221,12 @@ typedef pthread_key_t __libc_key_t; # define __libc_lock_fini(NAME) \ __libc_maybe_call (__pthread_mutex_destroy, (&(NAME)), 0) #endif -#define __libc_rwlock_fini(NAME) \ +#if defined SHARED && !defined NOT_IN_libc +# define __libc_rwlock_fini(NAME) ((void) 0) +#else +# define __libc_rwlock_fini(NAME) \ __libc_maybe_call (__pthread_rwlock_destroy, (&(NAME)), 0) +#endif /* Finalize recursive named lock. */ #if defined _LIBC && (!defined NOT_IN_libc || defined IS_IN_libpthread) |