diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps')
13 files changed, 92 insertions, 60 deletions
diff --git a/libpthread/linuxthreads/sysdeps/alpha/pt-machine.h b/libpthread/linuxthreads/sysdeps/alpha/pt-machine.h index fa0374bc5..853ac6f04 100644 --- a/libpthread/linuxthreads/sysdeps/alpha/pt-machine.h +++ b/libpthread/linuxthreads/sysdeps/alpha/pt-machine.h @@ -1,6 +1,7 @@ /* Machine-dependent pthreads configuration and inline functions. Alpha version. - Copyright (C) 1996, 1997, 1998, 2000, 2002 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>. @@ -23,7 +24,7 @@ #define _PT_MACHINE_H 1 #ifndef PT_EI -# define PT_EI extern inline +# define PT_EI extern inline __attribute__ ((always_inline)) #endif #ifdef __linux__ diff --git a/libpthread/linuxthreads/sysdeps/cris/pt-machine.h b/libpthread/linuxthreads/sysdeps/cris/pt-machine.h index eaead3058..431da7101 100644 --- a/libpthread/linuxthreads/sysdeps/cris/pt-machine.h +++ b/libpthread/linuxthreads/sysdeps/cris/pt-machine.h @@ -1,6 +1,6 @@ /* Machine-dependent pthreads configuration and inline functions. CRIS version. - Copyright (C) 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 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 @@ -22,7 +22,7 @@ #define _PT_MACHINE_H 1 #ifndef PT_EI -# define PT_EI extern inline +# define PT_EI extern inline __attribute__ ((always_inline)) #endif extern long int testandset (int *spinlock); diff --git a/libpthread/linuxthreads/sysdeps/i386/pt-machine.h b/libpthread/linuxthreads/sysdeps/i386/pt-machine.h index e8a9b4e67..af1818d7b 100644 --- a/libpthread/linuxthreads/sysdeps/i386/pt-machine.h +++ b/libpthread/linuxthreads/sysdeps/i386/pt-machine.h @@ -1,6 +1,6 @@ /* Machine-dependent pthreads configuration and inline functions. i386 version. - Copyright (C) 1996-2001, 2002 Free Software Foundation, Inc. + Copyright (C) 1996-2001, 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>. @@ -24,7 +24,7 @@ #ifndef __ASSEMBLER__ #ifndef PT_EI -# define PT_EI extern inline +# define PT_EI extern inline __attribute__ ((always_inline)) #endif extern long int testandset (int *spinlock); @@ -36,7 +36,9 @@ extern int __compare_and_swap (long int *p, long int oldval, long int newval); /* See if we can optimize for newer cpus... */ -#if defined __GNUC__ && __GNUC__ >= 2 && defined __i486__ || defined __pentium__ || defined __pentiumpro__ +#if defined __GNUC__ && __GNUC__ >= 2 && \ + (defined __i486__ || defined __pentium__ || defined __pentiumpro__ || defined __pentium4__ || \ + defined __athlon__ || defined __k8__) /* Spinlock implementation; required. */ PT_EI long int diff --git a/libpthread/linuxthreads/sysdeps/i386/tls.h b/libpthread/linuxthreads/sysdeps/i386/tls.h index 5d1551e57..e4f007ee3 100644 --- a/libpthread/linuxthreads/sysdeps/i386/tls.h +++ b/libpthread/linuxthreads/sysdeps/i386/tls.h @@ -1,5 +1,5 @@ /* Definition for thread-local data handling. linuxthreads/i386 version. - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2003, 2004, 2005 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 @@ -23,7 +23,9 @@ # include <pt-machine.h> #ifndef __ASSEMBLER__ +# include <stdbool.h> # include <stddef.h> +# include <stdint.h> /* Type for the dtv. */ typedef union dtv diff --git a/libpthread/linuxthreads/sysdeps/i386/useldt.h b/libpthread/linuxthreads/sysdeps/i386/useldt.h index 16aee9989..a5e8e6f18 100644 --- a/libpthread/linuxthreads/sysdeps/i386/useldt.h +++ b/libpthread/linuxthreads/sysdeps/i386/useldt.h @@ -24,6 +24,7 @@ #include <stdlib.h> /* For abort(). */ + /* We don't want to include the kernel header. So duplicate the information. */ @@ -76,7 +77,7 @@ extern int __modify_ldt (int, struct modify_ldt_ldt_s *, size_t); #ifdef __PIC__ # define USETLS_EBX_ARG "r" -# define USETLS_LOAD_EBX "xchgl %3, %%ebx\n\t" +# define USETLS_LOAD_EBX "xchgl %1, %%ebx\n\t" #else # define USETLS_EBX_ARG "b" # define USETLS_LOAD_EBX @@ -108,8 +109,10 @@ extern int __modify_ldt (int, struct modify_ldt_ldt_s *, size_t); "movl %2, %%eax\n\t" \ "int $0x80\n\t" \ USETLS_LOAD_EBX \ - : "&a" (__result) \ - : USETLS_EBX_ARG (&ldt_entry), "i" (__NR_set_thread_area)); \ + : "=&a" (__result) \ + : USETLS_EBX_ARG (&ldt_entry), "i" (__NR_set_thread_area), \ + "m" (ldt_entry) \ + : "memory"); \ if (__result == 0) \ asm ("movw %w0, %%gs" :: "q" (__gs)); \ else \ @@ -126,8 +129,10 @@ extern int __modify_ldt (int, struct modify_ldt_ldt_s *, size_t); "movl %2, %%eax\n\t" \ "int $0x80\n\t" \ USETLS_LOAD_EBX \ - : "&a" (__result) \ - : USETLS_EBX_ARG (&ldt_entry), "i" (__NR_set_thread_area)); \ + : "=&a" (__result) \ + : USETLS_EBX_ARG (&ldt_entry), "i" (__NR_set_thread_area), \ + "m" (ldt_entry) \ + : "memory"); \ if (__result == 0) \ { \ __gs = (ldt_entry.entry_number << 3) + 3; \ diff --git a/libpthread/linuxthreads/sysdeps/m68k/pt-machine.h b/libpthread/linuxthreads/sysdeps/m68k/pt-machine.h index 0504ae179..4670ae3c4 100644 --- a/libpthread/linuxthreads/sysdeps/m68k/pt-machine.h +++ b/libpthread/linuxthreads/sysdeps/m68k/pt-machine.h @@ -1,6 +1,6 @@ /* Machine-dependent pthreads configuration and inline functions. m68k version. - Copyright (C) 1996, 1998, 2000, 2002 Free Software Foundation, Inc. + Copyright (C) 1996, 1998, 2000, 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>. @@ -23,7 +23,7 @@ #define _PT_MACHINE_H 1 #ifndef PT_EI -# define PT_EI extern inline +# define PT_EI extern inline __attribute__ ((always_inline)) #endif extern long int testandset (int *spinlock); diff --git a/libpthread/linuxthreads/sysdeps/mips/pt-machine.h b/libpthread/linuxthreads/sysdeps/mips/pt-machine.h index 93d862774..f7efc881d 100644 --- a/libpthread/linuxthreads/sysdeps/mips/pt-machine.h +++ b/libpthread/linuxthreads/sysdeps/mips/pt-machine.h @@ -1,6 +1,7 @@ /* Machine-dependent pthreads configuration and inline functions. - Copyright (C) 1996, 1997, 1998, 2000, 2002 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ralf Baechle <ralf@gnu.org>. Based on the Alpha version by Richard Henderson <rth@tamu.edu>. @@ -55,7 +56,7 @@ _test_and_set (int *p, int v) __THROW #ifndef PT_EI -# define PT_EI extern inline +# define PT_EI extern inline __attribute__ ((always_inline)) #endif extern long int testandset (int *spinlock); 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..6613cab88 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, @@ -163,7 +163,7 @@ enum /* Create a thread with given attributes ATTR (or default attributes if ATTR is NULL), and call function START_ROUTINE with given arguments ARG. */ -extern int pthread_create (pthread_t *__restrict __thread_id, +extern int pthread_create (pthread_t *__restrict __threadp, __const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __THROW; @@ -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 @@ -268,9 +267,6 @@ extern int pthread_attr_getstackaddr (__const pthread_attr_t *__restrict __attr, void **__restrict __stackaddr) __THROW; -#if 0 -/* Not yet implemented in uClibc! */ - #ifdef __USE_XOPEN2K /* The following two interfaces are intended to replace the last two. They require setting the address as well as the size since only setting the @@ -283,7 +279,6 @@ extern int pthread_attr_getstack (__const pthread_attr_t *__restrict __attr, void **__restrict __stackaddr, size_t *__restrict __stacksize) __THROW; #endif -#endif /* Add information about the minimum stack size needed for the thread to be started. This size must never be less than PTHREAD_STACK_SIZE @@ -300,7 +295,9 @@ 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 +415,7 @@ 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 +424,7 @@ 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 +444,7 @@ 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 @@ -465,27 +462,25 @@ extern int pthread_rwlock_rdlock (pthread_rwlock_t *__rwlock) __THROW; /* Try to acquire read lock for RWLOCK. */ extern int pthread_rwlock_tryrdlock (pthread_rwlock_t *__rwlock) __THROW; +# ifdef __USE_XOPEN2K +/* Try to acquire read lock for RWLOCK or return after specfied time. */ +extern int pthread_rwlock_timedrdlock (pthread_rwlock_t *__restrict __rwlock, + __const struct timespec *__restrict + __abstime) __THROW; +# endif + /* Acquire write lock for RWLOCK. */ extern int pthread_rwlock_wrlock (pthread_rwlock_t *__rwlock) __THROW; /* Try to acquire write lock for RWLOCK. */ extern int pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock) __THROW; -#if 0 -/* Not yet implemented in uClibc! */ - -#ifdef __USE_XOPEN2K -/* Try to acquire read lock for RWLOCK or return after specfied time. */ -extern int pthread_rwlock_timedrdlock (pthread_rwlock_t *__restrict __rwlock, - __const struct timespec *__restrict - __abstime) __THROW; +# ifdef __USE_XOPEN2K /* Try to acquire write lock for RWLOCK or return after specfied time. */ extern int pthread_rwlock_timedwrlock (pthread_rwlock_t *__restrict __rwlock, __const struct timespec *__restrict __abstime) __THROW; -#endif -#endif - +# endif /* Unlock RWLOCK. */ extern int pthread_rwlock_unlock (pthread_rwlock_t *__rwlock) __THROW; @@ -593,28 +588,31 @@ 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 diff --git a/libpthread/linuxthreads/sysdeps/sh/pt-machine.h b/libpthread/linuxthreads/sysdeps/sh/pt-machine.h index cc3a4f2ce..c735ab22a 100644 --- a/libpthread/linuxthreads/sysdeps/sh/pt-machine.h +++ b/libpthread/linuxthreads/sysdeps/sh/pt-machine.h @@ -1,6 +1,6 @@ /* Machine-dependent pthreads configuration and inline functions. SuperH version. - Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Niibe Yutaka <gniibe@m17n.org>. @@ -24,7 +24,7 @@ #ifndef __ASSEMBLER__ #ifndef PT_EI -# define PT_EI extern inline +# define PT_EI extern inline __attribute__ ((always_inline)) #endif extern long int testandset (int *spinlock); diff --git a/libpthread/linuxthreads/sysdeps/sh/tls.h b/libpthread/linuxthreads/sysdeps/sh/tls.h index ee3db5ae8..75326d8e1 100644 --- a/libpthread/linuxthreads/sysdeps/sh/tls.h +++ b/libpthread/linuxthreads/sysdeps/sh/tls.h @@ -1,5 +1,5 @@ /* Definition for thread-local data handling. linuxthreads/SH version. - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2003, 2005 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 @@ -20,10 +20,12 @@ #ifndef _TLS_H #define _TLS_H -#ifndef __ASSEMBLER__ -#include <stddef.h> +# include <pt-machine.h> -#include <pt-machine.h> +#ifndef __ASSEMBLER__ +# include <stdbool.h> +# include <stddef.h> +# include <stdint.h> /* Type for the dtv. */ typedef union dtv |