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Diffstat (limited to 'libpthread/linuxthreads/sysdeps')
-rw-r--r--libpthread/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h38
1 files changed, 34 insertions, 4 deletions
diff --git a/libpthread/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h b/libpthread/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h
index db4c3790c..d1daef07a 100644
--- a/libpthread/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h
+++ b/libpthread/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h
@@ -25,8 +25,9 @@
/* Fast locks (not abstract because mutexes and conditions aren't abstract). */
struct _pthread_fastlock
{
- long int __status; /* "Free" or "taken" or head of waiting list */
- int __spinlock; /* For compare-and-swap emulation */
+ long int __status; /* "Free" or "taken" or head of waiting list */
+ int __spinlock; /* Used by compare_and_swap emulation. Also,
+ adaptive SMP lock stores spin count here. */
};
#ifndef _PTHREAD_DESCR_DEFINED
@@ -37,7 +38,7 @@ typedef struct _pthread_descr_struct *_pthread_descr;
/* Attributes for threads. */
-typedef struct
+typedef struct __pthread_attr_s
{
int __detachstate;
int __schedpolicy;
@@ -52,10 +53,20 @@ typedef struct
/* Conditions (not abstract because of PTHREAD_COND_INITIALIZER */
+
+#ifdef __GLIBC_HAVE_LONG_LONG
+__extension__ typedef long long __pthread_cond_align_t;
+#else
+typedef long __pthread_cond_align_t;
+#endif
+
typedef struct
{
struct _pthread_fastlock __c_lock; /* Protect against concurrent access */
_pthread_descr __c_waiting; /* Threads waiting on this condition */
+ char __padding[48 - sizeof (struct _pthread_fastlock)
+ - sizeof (_pthread_descr) - sizeof (__pthread_cond_align_t)];
+ __pthread_cond_align_t __align;
} pthread_cond_t;
@@ -93,7 +104,7 @@ typedef struct
typedef int pthread_once_t;
-#ifdef __USE_UNIX98
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K
/* Read-write locks. */
typedef struct _pthread_rwlock_t
{
@@ -115,6 +126,25 @@ typedef struct
} pthread_rwlockattr_t;
#endif
+#ifdef __USE_XOPEN2K
+/* POSIX spinlock data type. */
+typedef volatile int pthread_spinlock_t;
+
+/* POSIX barrier. */
+typedef struct {
+ struct _pthread_fastlock __ba_lock; /* Lock to guarantee mutual exclusion */
+ int __ba_required; /* Threads needed for completion */
+ int __ba_present; /* Threads waiting */
+ _pthread_descr __ba_waiting; /* Queue of waiting threads */
+} pthread_barrier_t;
+
+/* barrier attribute */
+typedef struct {
+ int __pshared;
+} pthread_barrierattr_t;
+
+#endif
+
/* Thread identifiers */
typedef unsigned long int pthread_t;