From f3a01e0fe21cc9942358c1564b34dcebe963b579 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 8 Sep 2005 03:56:33 +0000 Subject: sync misc trivial touchups from glibc --- .../linuxthreads/sysdeps/pthread/bits/libc-lock.h | 3 +- .../linuxthreads/sysdeps/pthread/bits/libc-tsd.h | 2 +- .../sysdeps/pthread/bits/pthreadtypes.h | 28 +++++++++++++++--- libpthread/linuxthreads/sysdeps/pthread/pthread.h | 34 ++++++++++++---------- 4 files changed, 46 insertions(+), 21 deletions(-) (limited to 'libpthread/linuxthreads/sysdeps/pthread') 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 -- cgit v1.2.3