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Update.
2000-05-23 Jakub Jelinek <jakub@redhat.com> * sysdeps/i386/fpu/bits/mathinline.h (__sincos, __sincosf, __sincosl): Guard with __USE_GNU.
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@@ -23,11 +23,11 @@
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#include <bits/sched.h>
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/* Fast locks (not abstract because mutexes and conditions aren't abstract). */
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typedef struct
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struct _pthread_fastlock
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{
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long int __status; /* "Free" or "taken" or head of waiting list */
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int __spinlock; /* For compare-and-swap emulation */
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} pthread_spinlock_t;
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};
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#ifndef _PTHREAD_DESCR_DEFINED
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/* Thread descriptors */
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@@ -54,7 +54,7 @@ typedef struct
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/* Conditions (not abstract because of PTHREAD_COND_INITIALIZER */
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typedef struct
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{
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pthread_spinlock_t __c_lock; /* Protect against concurrent access */
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struct _pthread_fastlock __c_lock; /* Protect against concurrent access */
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_pthread_descr __c_waiting; /* Threads waiting on this condition */
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} pthread_cond_t;
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@@ -78,7 +78,7 @@ typedef struct
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int __m_count; /* Depth of recursive locking */
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_pthread_descr __m_owner; /* Owner thread (if recursive or errcheck) */
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int __m_kind; /* Mutex kind: fast, recursive or errcheck */
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pthread_spinlock_t __m_lock; /* Underlying fast lock */
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struct _pthread_fastlock __m_lock; /* Underlying fast lock */
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} pthread_mutex_t;
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@@ -97,7 +97,7 @@ typedef int pthread_once_t;
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/* Read-write locks. */
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typedef struct _pthread_rwlock_t
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{
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pthread_spinlock_t __rw_lock; /* Lock to guarantee mutual exclusion */
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struct _pthread_fastlock __rw_lock; /* Lock to guarantee mutual exclusion */
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int __rw_readers; /* Number of readers */
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_pthread_descr __rw_writer; /* Identity of writer, or NULL if none */
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_pthread_descr __rw_read_waiting; /* Threads waiting for reading */
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@@ -115,6 +115,11 @@ typedef struct
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} pthread_rwlockattr_t;
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#endif
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#ifdef __USE_XOPEN2K
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/* POSIX spinlock data type. */
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typedef volatile int pthread_spinlock_t;
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#endif
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/* Thread identifiers */
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typedef unsigned long int pthread_t;
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