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| author | Carmelo Amoroso <carmelo.amoroso@st.com> | 2008-11-17 09:45:29 +0000 |
|---|---|---|
| committer | Carmelo Amoroso <carmelo.amoroso@st.com> | 2008-11-17 09:45:29 +0000 |
| commit | 9584b4e582b293ead79d8bb0ff85c1ef12a888d9 (patch) | |
| tree | 7eaf3bc76dd05e6d9a9c7002e7a9d5e23d5cd5fd /libpthread/linuxthreads.old/sysdeps/pthread/bits | |
| parent | cf8c7b558c1c33cafe557ced361554461485af6c (diff) | |
| download | uClibc-alpine-9584b4e582b293ead79d8bb0ff85c1ef12a888d9.tar.bz2 uClibc-alpine-9584b4e582b293ead79d8bb0ff85c1ef12a888d9.tar.xz | |
Synch with trunk @ 24071.
Step 1
linuxthreads - linuxthreads_db - linuxthread.old - linuxthreads.old_db
Diffstat (limited to 'libpthread/linuxthreads.old/sysdeps/pthread/bits')
| -rw-r--r-- | libpthread/linuxthreads.old/sysdeps/pthread/bits/libc-lock.h | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/libpthread/linuxthreads.old/sysdeps/pthread/bits/libc-lock.h b/libpthread/linuxthreads.old/sysdeps/pthread/bits/libc-lock.h index 740e793be..78593ac11 100644 --- a/libpthread/linuxthreads.old/sysdeps/pthread/bits/libc-lock.h +++ b/libpthread/linuxthreads.old/sysdeps/pthread/bits/libc-lock.h @@ -30,7 +30,7 @@ /* Mutex type. */ #if defined(_LIBC) || defined(_IO_MTSAFE_IO) typedef pthread_mutex_t __libc_lock_t; -typedef struct { pthread_mutex_t mutex; } __libc_lock_recursive_t; +typedef pthread_mutex_t __libc_lock_recursive_t; # ifdef __USE_UNIX98 typedef pthread_rwlock_t __libc_rwlock_t; # else @@ -132,15 +132,39 @@ typedef pthread_key_t __libc_key_t; #define __libc_rwlock_init(NAME) \ (__libc_maybe_call (__pthread_rwlock_init, (&(NAME), NULL), 0)); +/* Same as last but this time we initialize an adaptive mutex. */ +#if defined _LIBC && !defined NOT_IN_libc && defined SHARED +#define __libc_lock_init_adaptive(NAME) \ + ({ \ + (NAME).__m_count = 0; \ + (NAME).__m_owner = NULL; \ + (NAME).__m_kind = PTHREAD_MUTEX_ADAPTIVE_NP; \ + (NAME).__m_lock.__status = 0; \ + (NAME).__m_lock.__spinlock = __LT_SPINLOCK_INIT; \ + 0; }) +#else +#define __libc_lock_init_adaptive(NAME) \ + do { \ + if (__pthread_mutex_init != NULL) \ + { \ + pthread_mutexattr_t __attr; \ + __pthread_mutexattr_init (&__attr); \ + __pthread_mutexattr_settype (&__attr, PTHREAD_MUTEX_ADAPTIVE_NP); \ + __pthread_mutex_init (&(NAME), &__attr); \ + __pthread_mutexattr_destroy (&__attr); \ + } \ + } while (0); +#endif + /* Same as last but this time we initialize a recursive mutex. */ #if defined _LIBC && !defined NOT_IN_libc && defined SHARED #define __libc_lock_init_recursive(NAME) \ ({ \ - (NAME).mutex.__m_count = 0; \ - (NAME).mutex.__m_owner = NULL; \ - (NAME).mutex.__m_kind = PTHREAD_MUTEX_RECURSIVE_NP; \ - (NAME).mutex.__m_lock.__status = 0; \ - (NAME).mutex.__m_lock.__spinlock = __LT_SPINLOCK_INIT; \ + (NAME).__m_count = 0; \ + (NAME).__m_owner = NULL; \ + (NAME).__m_kind = PTHREAD_MUTEX_RECURSIVE_NP; \ + (NAME).__m_lock.__status = 0; \ + (NAME).__m_lock.__spinlock = __LT_SPINLOCK_INIT; \ 0; }) #else #define __libc_lock_init_recursive(NAME) \ @@ -150,7 +174,7 @@ typedef pthread_key_t __libc_key_t; pthread_mutexattr_t __attr; \ __pthread_mutexattr_init (&__attr); \ __pthread_mutexattr_settype (&__attr, PTHREAD_MUTEX_RECURSIVE_NP); \ - __pthread_mutex_init (&(NAME).mutex, &__attr); \ + __pthread_mutex_init (&(NAME), &__attr); \ __pthread_mutexattr_destroy (&__attr); \ } \ } while (0); |