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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/pthread
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/pthread')
-rw-r--r--sysdeps/pthread/Versions5
-rw-r--r--sysdeps/pthread/aio_cancel.c4
-rw-r--r--sysdeps/pthread/aio_fsync.c4
-rw-r--r--sysdeps/pthread/aio_misc.c5
-rw-r--r--sysdeps/pthread/aio_misc.h7
-rw-r--r--sysdeps/pthread/aio_notify.c22
-rw-r--r--sysdeps/pthread/aio_read.c4
-rw-r--r--sysdeps/pthread/aio_read64.c4
-rw-r--r--sysdeps/pthread/aio_suspend.c41
-rw-r--r--sysdeps/pthread/aio_write.c4
-rw-r--r--sysdeps/pthread/aio_write64.c4
-rw-r--r--sysdeps/pthread/configure2
-rw-r--r--sysdeps/pthread/lio_listio.c107
-rw-r--r--sysdeps/pthread/lio_listio64.c6
14 files changed, 53 insertions, 166 deletions
diff --git a/sysdeps/pthread/Versions b/sysdeps/pthread/Versions
deleted file mode 100644
index a71cffbed4..0000000000
--- a/sysdeps/pthread/Versions
+++ /dev/null
@@ -1,5 +0,0 @@
-librt {
- GLIBC_2.4 {
- lio_listio; lio_listio64;
- }
-}
diff --git a/sysdeps/pthread/aio_cancel.c b/sysdeps/pthread/aio_cancel.c
index aa1ee443a5..a37b2c7896 100644
--- a/sysdeps/pthread/aio_cancel.c
+++ b/sysdeps/pthread/aio_cancel.c
@@ -1,5 +1,5 @@
/* Cancel requests associated with given file descriptor.
- Copyright (C) 1997, 1998, 2000, 2002, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -34,7 +34,7 @@
#include <assert.h>
#include <errno.h>
-#include <aio_misc.h>
+#include "aio_misc.h"
int
diff --git a/sysdeps/pthread/aio_fsync.c b/sysdeps/pthread/aio_fsync.c
index 47cc29991f..4c90d69584 100644
--- a/sysdeps/pthread/aio_fsync.c
+++ b/sysdeps/pthread/aio_fsync.c
@@ -1,5 +1,5 @@
/* Synchronize I/O in given file descriptor.
- Copyright (C) 1997, 1999, 2002, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1999, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -30,7 +30,7 @@
#undef aio_fsync64
#include <errno.h>
-#include <aio_misc.h>
+#include "aio_misc.h"
int
diff --git a/sysdeps/pthread/aio_misc.c b/sysdeps/pthread/aio_misc.c
index 3e1dbe9c63..5c9ccb46d0 100644
--- a/sysdeps/pthread/aio_misc.c
+++ b/sysdeps/pthread/aio_misc.c
@@ -1,5 +1,5 @@
/* Handle general operations.
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2006
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -46,7 +46,8 @@ __aio_create_helper_thread (pthread_t *threadp, void *(*tf) (void *), void *arg)
(void) pthread_attr_destroy (&attr);
return ret;
-}
+}
+
#endif
static void add_request_to_runlist (struct requestlist *newrequest);
diff --git a/sysdeps/pthread/aio_misc.h b/sysdeps/pthread/aio_misc.h
index 50962c7519..44d53b078f 100644
--- a/sysdeps/pthread/aio_misc.h
+++ b/sysdeps/pthread/aio_misc.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997,1999,2000,2001,2003,2006 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1999, 2000, 2001, 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
@@ -46,12 +46,7 @@ struct waitlist
{
struct waitlist *next;
- /* The next two fields is used in synchronous `lio_listio' operations. */
-#ifndef DONT_NEED_AIO_MISC_COND
pthread_cond_t *cond;
-#endif
- int *result;
-
volatile int *counterp;
/* The next field is used in asynchronous `lio_listio' operations. */
struct sigevent *sigevp;
diff --git a/sysdeps/pthread/aio_notify.c b/sysdeps/pthread/aio_notify.c
index 3f7f70ef7c..877e8d9363 100644
--- a/sysdeps/pthread/aio_notify.c
+++ b/sysdeps/pthread/aio_notify.c
@@ -1,5 +1,6 @@
/* Notify initiator of AIO request.
- Copyright (C) 1997-2001, 2003, 2004, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -143,24 +144,15 @@ __aio_notify (struct requestlist *req)
{
struct waitlist *next = waitlist->next;
- if (waitlist->sigevp == NULL)
- {
- if (waitlist->result != NULL && aiocbp->__return_value == -1)
- *waitlist->result = -1;
-
-#ifdef DONT_NEED_AIO_MISC_COND
- AIO_MISC_NOTIFY (waitlist);
-#else
- /* Decrement the counter. */
- --*waitlist->counterp;
+ /* Decrement the counter. This is used in both cases. */
+ --*waitlist->counterp;
- pthread_cond_signal (waitlist->cond);
-#endif
- }
+ if (waitlist->sigevp == NULL)
+ pthread_cond_signal (waitlist->cond);
else
/* This is part of a asynchronous `lio_listio' operation. If
this request is the last one, send the signal. */
- if (--*waitlist->counterp == 0)
+ if (*waitlist->counterp == 0)
{
#ifdef BROKEN_THREAD_SIGNALS
__aio_notify_only (waitlist->sigevp, waitlist->caller_pid);
diff --git a/sysdeps/pthread/aio_read.c b/sysdeps/pthread/aio_read.c
index 973c6cdd48..62646fb12d 100644
--- a/sysdeps/pthread/aio_read.c
+++ b/sysdeps/pthread/aio_read.c
@@ -1,5 +1,5 @@
/* Asynchronous read.
- Copyright (C) 1997, 1999, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -20,7 +20,7 @@
#include <aio.h>
-#include <aio_misc.h>
+#include "aio_misc.h"
int
diff --git a/sysdeps/pthread/aio_read64.c b/sysdeps/pthread/aio_read64.c
index a3a427d804..f91b08b6db 100644
--- a/sysdeps/pthread/aio_read64.c
+++ b/sysdeps/pthread/aio_read64.c
@@ -1,5 +1,5 @@
/* Asynchronous read, 64bit offset version.
- Copyright (C) 1997, 1999, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -20,7 +20,7 @@
#include <aio.h>
-#include <aio_misc.h>
+#include "aio_misc.h"
int
diff --git a/sysdeps/pthread/aio_suspend.c b/sysdeps/pthread/aio_suspend.c
index b85b16d10e..207dad964e 100644
--- a/sysdeps/pthread/aio_suspend.c
+++ b/sysdeps/pthread/aio_suspend.c
@@ -1,5 +1,5 @@
/* Suspend until termination of a requests.
- Copyright (C) 1997-2000,2002,2003,2005,2006 Free Software Foundation, Inc.
+ Copyright (C) 1997,1998,1999,2000,2002,2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -36,7 +36,7 @@
#include <sys/time.h>
#include <bits/libc-lock.h>
-#include <aio_misc.h>
+#include "aio_misc.h"
struct clparam
@@ -44,9 +44,7 @@ struct clparam
const struct aiocb *const *list;
struct waitlist *waitlist;
struct requestlist **requestlist;
-#ifndef DONT_NEED_AIO_MISC_COND
pthread_cond_t *cond;
-#endif
int nent;
};
@@ -54,12 +52,6 @@ struct clparam
static void
cleanup (void *arg)
{
-#ifdef DONT_NEED_AIO_MISC_COND
- /* Acquire the mutex. If pthread_cond_*wait is used this would
- happen implicitly. */
- pthread_mutex_lock (&__aio_requests_mutex);
-#endif
-
const struct clparam *param = (const struct clparam *) arg;
/* Now remove the entry in the waiting list for all requests
@@ -83,10 +75,8 @@ cleanup (void *arg)
*listp = (*listp)->next;
}
-#ifndef DONT_NEED_AIO_MISC_COND
/* Release the conditional variable. */
(void) pthread_cond_destroy (param->cond);
-#endif
/* Release the mutex. */
pthread_mutex_unlock (&__aio_requests_mutex);
@@ -99,21 +89,13 @@ aio_suspend (list, nent, timeout)
int nent;
const struct timespec *timeout;
{
- if (__builtin_expect (nent < 0, 0))
- {
- __set_errno (EINVAL);
- return -1;
- }
-
struct waitlist waitlist[nent];
struct requestlist *requestlist[nent];
-#ifndef DONT_NEED_AIO_MISC_COND
pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
-#endif
int cnt;
bool any = false;
int result = 0;
- int cntr = 1;
+ int dummy;
/* Request the mutex. */
pthread_mutex_lock (&__aio_requests_mutex);
@@ -129,12 +111,9 @@ aio_suspend (list, nent, timeout)
if (requestlist[cnt] != NULL)
{
-#ifndef DONT_NEED_AIO_MISC_COND
waitlist[cnt].cond = &cond;
-#endif
- waitlist[cnt].result = NULL;
waitlist[cnt].next = requestlist[cnt]->waiting;
- waitlist[cnt].counterp = &cntr;
+ waitlist[cnt].counterp = &dummy;
waitlist[cnt].sigevp = NULL;
#ifdef BROKEN_THREAD_SIGNALS
waitlist[cnt].caller_pid = 0; /* Not needed. */
@@ -160,17 +139,12 @@ aio_suspend (list, nent, timeout)
.list = list,
.waitlist = waitlist,
.requestlist = requestlist,
-#ifndef DONT_NEED_AIO_MISC_COND
.cond = &cond,
-#endif
.nent = nent
};
pthread_cleanup_push (cleanup, &clparam);
-#ifdef DONT_NEED_AIO_MISC_COND
- AIO_MISC_WAIT (result, cntr, timeout, 1);
-#else
if (timeout == NULL)
result = pthread_cond_wait (&cond, &__aio_requests_mutex);
else
@@ -192,7 +166,6 @@ aio_suspend (list, nent, timeout)
result = pthread_cond_timedwait (&cond, &__aio_requests_mutex,
&abstime);
}
-#endif
pthread_cleanup_pop (0);
}
@@ -216,23 +189,19 @@ aio_suspend (list, nent, timeout)
*listp = (*listp)->next;
}
-#ifndef DONT_NEED_AIO_MISC_COND
/* Release the conditional variable. */
if (__builtin_expect (pthread_cond_destroy (&cond) != 0, 0))
/* This must never happen. */
abort ();
-#endif
if (result != 0)
{
-#ifndef DONT_NEED_AIO_MISC_COND
- /* An error occurred. Possibly it's ETIMEDOUT. We have to translate
+ /* An error occurred. Possibly it's EINTR. We have to translate
the timeout error report of `pthread_cond_timedwait' to the
form expected from `aio_suspend'. */
if (result == ETIMEDOUT)
__set_errno (EAGAIN);
else
-#endif
__set_errno (result);
result = -1;
diff --git a/sysdeps/pthread/aio_write.c b/sysdeps/pthread/aio_write.c
index d61c5fbf9d..f5e89e9246 100644
--- a/sysdeps/pthread/aio_write.c
+++ b/sysdeps/pthread/aio_write.c
@@ -1,5 +1,5 @@
/* Asynchronous write.
- Copyright (C) 1997, 1999, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -20,7 +20,7 @@
#include <aio.h>
-#include <aio_misc.h>
+#include "aio_misc.h"
int
diff --git a/sysdeps/pthread/aio_write64.c b/sysdeps/pthread/aio_write64.c
index 4e23a3af95..b9c84b760b 100644
--- a/sysdeps/pthread/aio_write64.c
+++ b/sysdeps/pthread/aio_write64.c
@@ -1,5 +1,5 @@
/* Asynchronous write, 64bit offset version.
- Copyright (C) 1997, 1999, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -20,7 +20,7 @@
#include <aio.h>
-#include <aio_misc.h>
+#include "aio_misc.h"
int
diff --git a/sysdeps/pthread/configure b/sysdeps/pthread/configure
index e39d31138d..229414dd74 100644
--- a/sysdeps/pthread/configure
+++ b/sysdeps/pthread/configure
@@ -1,3 +1,3 @@
-# Local configure fragment for sysdeps/pthread.
+# Local configure fragment for sysdeps/unix/sysv/linux.
DEFINES="$DEFINES -D_LIBC_REENTRANT"
diff --git a/sysdeps/pthread/lio_listio.c b/sysdeps/pthread/lio_listio.c
index c652404ae2..5b98837b0d 100644
--- a/sysdeps/pthread/lio_listio.c
+++ b/sysdeps/pthread/lio_listio.c
@@ -1,6 +1,5 @@
/* Enqueue and list of read or write requests.
- Copyright (C) 1997,1998,1999,2000,2001,2003,2005,2006
- Free Software Foundation, Inc.
+ Copyright (C) 1997,1998,1999,2000,2001,2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -26,14 +25,11 @@
#include <stdlib.h>
#include <unistd.h>
-#include <aio_misc.h>
+#include "aio_misc.h"
#define LIO_OPCODE_BASE 0
#endif
-#include <shlib-compat.h>
-
-
/* We need this special structure to handle asynchronous I/O. */
struct async_waitlist
{
@@ -43,22 +39,12 @@ struct async_waitlist
};
-/* The code in glibc 2.1 to glibc 2.4 issued only one event when all
- requests submitted with lio_listio finished. The existing practice
- is to issue events for the individual requests as well. This is
- what the new code does. */
-#if SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_4)
-# define LIO_MODE(mode) ((mode) & 127)
-# define NO_INDIVIDUAL_EVENT_P(mode) ((mode) & 128)
-#else
-# define LIO_MODE(mode) mode
-# define NO_INDIVIDUAL_EVENT_P(mode) 0
-#endif
-
-
-static int
-lio_listio_internal (int mode, struct aiocb *const list[], int nent,
- struct sigevent *sig)
+int
+lio_listio (mode, list, nent, sig)
+ int mode;
+ struct aiocb *const list[];
+ int nent;
+ struct sigevent *sig;
{
struct sigevent defsigev;
struct requestlist *requests[nent];
@@ -66,6 +52,13 @@ lio_listio_internal (int mode, struct aiocb *const list[], int nent,
volatile int total = 0;
int result = 0;
+ /* Check arguments. */
+ if (mode != LIO_WAIT && mode != LIO_NOWAIT)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
if (sig == NULL)
{
defsigev.sigev_notify = SIGEV_NONE;
@@ -80,9 +73,7 @@ lio_listio_internal (int mode, struct aiocb *const list[], int nent,
for (cnt = 0; cnt < nent; ++cnt)
if (list[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP)
{
- if (NO_INDIVIDUAL_EVENT_P (mode))
- list[cnt]->aio_sigevent.sigev_notify = SIGEV_NONE;
-
+ list[cnt]->aio_sigevent.sigev_notify = SIGEV_NONE;
requests[cnt] = __aio_enqueue_request ((aiocb_union *) list[cnt],
(list[cnt]->aio_lio_opcode
| LIO_OPCODE_BASE));
@@ -108,7 +99,7 @@ lio_listio_internal (int mode, struct aiocb *const list[], int nent,
locked forever. */
pthread_mutex_unlock (&__aio_requests_mutex);
- if (LIO_MODE (mode) == LIO_NOWAIT)
+ if (mode == LIO_NOWAIT)
{
#ifdef BROKEN_THREAD_SIGNALS
__aio_notify_only (sig,
@@ -120,13 +111,11 @@ lio_listio_internal (int mode, struct aiocb *const list[], int nent,
return result;
}
- else if (LIO_MODE (mode) == LIO_WAIT)
+ else if (mode == LIO_WAIT)
{
-#ifndef DONT_NEED_AIO_MISC_COND
pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
- int oldstate;
-#endif
struct waitlist waitlist[nent];
+ int oldstate;
total = 0;
for (cnt = 0; cnt < nent; ++cnt)
@@ -135,10 +124,7 @@ lio_listio_internal (int mode, struct aiocb *const list[], int nent,
if (requests[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP)
{
-#ifndef DONT_NEED_AIO_MISC_COND
waitlist[cnt].cond = &cond;
-#endif
- waitlist[cnt].result = &result;
waitlist[cnt].next = requests[cnt]->waiting;
waitlist[cnt].counterp = &total;
waitlist[cnt].sigevp = NULL;
@@ -150,32 +136,21 @@ lio_listio_internal (int mode, struct aiocb *const list[], int nent,
}
}
-#ifdef DONT_NEED_AIO_MISC_COND
- AIO_MISC_WAIT (result, total, NULL, 0);
-#else
- /* Since `pthread_cond_wait'/`pthread_cond_timedwait' are cancellation
+ /* Since `pthread_cond_wait'/`pthread_cond_timedwait' are cancelation
points we must be careful. We added entries to the waiting lists
- which we must remove. So defer cancellation for now. */
+ which we must remove. So defer cancelation for now. */
pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &oldstate);
while (total > 0)
pthread_cond_wait (&cond, &__aio_requests_mutex);
- /* Now it's time to restore the cancellation state. */
+ /* Now it's time to restore the cancelation state. */
pthread_setcancelstate (oldstate, NULL);
/* Release the conditional variable. */
if (pthread_cond_destroy (&cond) != 0)
/* This must never happen. */
abort ();
-#endif
-
- /* If any of the I/O requests failed, return -1 and set errno. */
- if (result != 0)
- {
- __set_errno (result == EINTR ? EINTR : EIO);
- result = -1;
- }
}
else
{
@@ -204,10 +179,7 @@ lio_listio_internal (int mode, struct aiocb *const list[], int nent,
if (requests[cnt] != NULL
&& list[cnt]->aio_lio_opcode != LIO_NOP)
{
-#ifndef DONT_NEED_AIO_MISC_COND
waitlist->list[cnt].cond = NULL;
-#endif
- waitlist->list[cnt].result = NULL;
waitlist->list[cnt].next = requests[cnt]->waiting;
waitlist->list[cnt].counterp = &waitlist->counter;
waitlist->list[cnt].sigevp = &waitlist->sigev;
@@ -229,38 +201,3 @@ lio_listio_internal (int mode, struct aiocb *const list[], int nent,
return result;
}
-
-
-#if SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_4)
-int
-attribute_compat_text_section
-__lio_listio_21 (int mode, struct aiocb *const list[], int nent,
- struct sigevent *sig)
-{
- /* Check arguments. */
- if (mode != LIO_WAIT && mode != LIO_NOWAIT)
- {
- __set_errno (EINVAL);
- return -1;
- }
-
- return lio_listio_internal (mode | LIO_NO_INDIVIDUAL_EVENT, list, nent, sig);
-}
-compat_symbol (librt, __lio_listio_21, lio_listio, GLIBC_2_1);
-#endif
-
-
-int
-__lio_listio_item_notify (int mode, struct aiocb *const list[], int nent,
- struct sigevent *sig)
-{
- /* Check arguments. */
- if (mode != LIO_WAIT && mode != LIO_NOWAIT)
- {
- __set_errno (EINVAL);
- return -1;
- }
-
- return lio_listio_internal (mode, list, nent, sig);
-}
-versioned_symbol (librt, __lio_listio_item_notify, lio_listio, GLIBC_2_4);
diff --git a/sysdeps/pthread/lio_listio64.c b/sysdeps/pthread/lio_listio64.c
index c6b7cf7bd2..fee1e591ef 100644
--- a/sysdeps/pthread/lio_listio64.c
+++ b/sysdeps/pthread/lio_listio64.c
@@ -1,5 +1,5 @@
/* Enqueue and list of read or write requests, 64bit offset version.
- Copyright (C) 1997,1998,1999,2003,2005,2006 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -24,11 +24,9 @@
#include <stdlib.h>
#include <unistd.h>
-#include <aio_misc.h>
+#include "aio_misc.h"
#define lio_listio lio_listio64
-#define __lio_listio_21 __lio_listio64_21
-#define __lio_listio_item_notify __lio_listio64_item_notify
#define aiocb aiocb64
#define LIO_OPCODE_BASE 128
#include <lio_listio.c>