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-rw-r--r--libpthread/linuxthreads/sysdeps/pthread/bits/libc-lock.h3
-rw-r--r--libpthread/linuxthreads/sysdeps/pthread/bits/libc-tsd.h2
-rw-r--r--libpthread/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h28
-rw-r--r--libpthread/linuxthreads/sysdeps/pthread/pthread.h34
4 files changed, 46 insertions, 21 deletions
diff --git a/libpthread/linuxthreads/sysdeps/pthread/bits/libc-lock.h b/libpthread/linuxthreads/sysdeps/pthread/bits/libc-lock.h
index 4e884a030..e2b267d32 100644
--- a/libpthread/linuxthreads/sysdeps/pthread/bits/libc-lock.h
+++ b/libpthread/linuxthreads/sysdeps/pthread/bits/libc-lock.h
@@ -1,5 +1,6 @@
/* libc-internal interface for mutex locks. LinuxThreads version.
- Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
+ Copyright (C) 1996,1997,1998,1999,2000,2001,2002,2003
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
diff --git a/libpthread/linuxthreads/sysdeps/pthread/bits/libc-tsd.h b/libpthread/linuxthreads/sysdeps/pthread/bits/libc-tsd.h
index 35a6a19a6..efd0c83be 100644
--- a/libpthread/linuxthreads/sysdeps/pthread/bits/libc-tsd.h
+++ b/libpthread/linuxthreads/sysdeps/pthread/bits/libc-tsd.h
@@ -1,5 +1,5 @@
/* libc-internal interface for thread-specific data. LinuxThreads version.
- Copyright (C) 1997,98,99,2001,02 Free Software Foundation, Inc.
+ Copyright (C) 1997-2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
diff --git a/libpthread/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h b/libpthread/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h
index db4c3790c..faec63b06 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;
@@ -93,7 +94,7 @@ 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 +116,25 @@ 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;
diff --git a/libpthread/linuxthreads/sysdeps/pthread/pthread.h b/libpthread/linuxthreads/sysdeps/pthread/pthread.h
index 8c01172e5..8c8e6544d 100644
--- a/libpthread/linuxthreads/sysdeps/pthread/pthread.h
+++ b/libpthread/linuxthreads/sysdeps/pthread/pthread.h
@@ -46,7 +46,7 @@ __BEGIN_DECLS
#define PTHREAD_COND_INITIALIZER {__LOCK_INITIALIZER, 0}
-#ifdef __USE_UNIX98
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K
# define PTHREAD_RWLOCK_INITIALIZER \
{ __LOCK_INITIALIZER, 0, NULL, NULL, NULL, \
PTHREAD_RWLOCK_DEFAULT_NP, PTHREAD_PROCESS_PRIVATE }
@@ -110,7 +110,7 @@ enum
#define PTHREAD_PROCESS_SHARED PTHREAD_PROCESS_SHARED
};
-#ifdef __USE_UNIX98
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K
enum
{
PTHREAD_RWLOCK_PREFER_READER_NP,
@@ -175,13 +175,12 @@ extern pthread_t pthread_self (void) __THROW;
extern int pthread_equal (pthread_t __thread1, pthread_t __thread2) __THROW;
/* Terminate calling thread. */
-extern void pthread_exit (void *__retval)
- __THROW __attribute__ ((__noreturn__));
+extern void pthread_exit (void *__retval) __attribute__ ((__noreturn__));
/* Make calling thread wait for termination of the thread TH. The
exit status of the thread is stored in *THREAD_RETURN, if THREAD_RETURN
is not NULL. */
-extern int pthread_join (pthread_t __th, void **__thread_return) __THROW;
+extern int pthread_join (pthread_t __th, void **__thread_return);
/* Indicate that the thread TH is never to be joined with PTHREAD_JOIN.
The resources of TH will therefore be freed immediately when it
@@ -300,7 +299,9 @@ extern int pthread_attr_getstacksize (__const pthread_attr_t *__restrict
/* Not yet implemented in uClibc! */
#ifdef __USE_GNU
-/* Get thread attributes corresponding to the already running thread TH. */
+/* Initialize thread attribute *ATTR with attributes corresponding to the
+ already running thread TH. It shall be called on unitialized ATTR
+ and destroyed with pthread_attr_destroy when no longer needed. */
extern int pthread_getattr_np (pthread_t __th, pthread_attr_t *__attr) __THROW;
#endif
#endif
@@ -418,7 +419,7 @@ extern int pthread_cond_broadcast (pthread_cond_t *__cond) __THROW;
/* Wait for condition variable COND to be signaled or broadcast.
MUTEX is assumed to be locked before. */
extern int pthread_cond_wait (pthread_cond_t *__restrict __cond,
- pthread_mutex_t *__restrict __mutex) __THROW;
+ pthread_mutex_t *__restrict __mutex);
/* Wait for condition variable COND to be signaled or broadcast until
ABSTIME. MUTEX is assumed to be locked before. ABSTIME is an
@@ -427,7 +428,7 @@ extern int pthread_cond_wait (pthread_cond_t *__restrict __cond,
extern int pthread_cond_timedwait (pthread_cond_t *__restrict __cond,
pthread_mutex_t *__restrict __mutex,
__const struct timespec *__restrict
- __abstime) __THROW;
+ __abstime);
/* Functions for handling condition variable attributes. */
@@ -447,7 +448,7 @@ extern int pthread_condattr_setpshared (pthread_condattr_t *__attr,
int __pshared) __THROW;
-#ifdef __USE_UNIX98
+#if defined __USE_UNIX98 || defined __USE_XOPEN2K
/* Functions for handling read-write locks. */
/* Initialize read-write lock RWLOCK using attributes ATTR, or use
@@ -593,28 +594,31 @@ extern void *pthread_getspecific (pthread_key_t __key) __THROW;
/* Guarantee that the initialization function INIT_ROUTINE will be called
only once, even if pthread_once is executed several times with the
same ONCE_CONTROL argument. ONCE_CONTROL must point to a static or
- extern variable initialized to PTHREAD_ONCE_INIT. */
+ extern variable initialized to PTHREAD_ONCE_INIT.
+
+ The initialization functions might throw exception which is why
+ this function is not marked with __THROW. */
extern int pthread_once (pthread_once_t *__once_control,
- void (*__init_routine) (void)) __THROW;
+ void (*__init_routine) (void));
/* Functions for handling cancellation. */
/* Set cancelability state of current thread to STATE, returning old
state in *OLDSTATE if OLDSTATE is not NULL. */
-extern int pthread_setcancelstate (int __state, int *__oldstate) __THROW;
+extern int pthread_setcancelstate (int __state, int *__oldstate);
/* Set cancellation state of current thread to TYPE, returning the old
type in *OLDTYPE if OLDTYPE is not NULL. */
-extern int pthread_setcanceltype (int __type, int *__oldtype) __THROW;
+extern int pthread_setcanceltype (int __type, int *__oldtype);
/* Cancel THREAD immediately or at the next possibility. */
-extern int pthread_cancel (pthread_t __thread_id) __THROW;
+extern int pthread_cancel (pthread_t __cancelthread);
/* Test for pending cancellation for the current thread and terminate
the thread as per pthread_exit(PTHREAD_CANCELED) if it has been
cancelled. */
-extern void pthread_testcancel (void) __THROW;
+extern void pthread_testcancel (void);
/* Install a cleanup handler: ROUTINE will be called with arguments ARG