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authorMarcus Brinkmann <marcus@gnu.org>2004-11-01 17:04:00 +0000
committerThomas Schwinge <tschwinge@gnu.org>2009-04-06 22:39:57 +0200
commit7c600777057893b7e48b10963dca2444f25f9217 (patch)
treed9cafceb9ce2547dd4cf21b9414f0fc0aded297c /pthread
parent19981a7f1fbe8ef0fcc7a018d467060c7acaaa1b (diff)
2004-11-01 Marcus Brinkmann <marcus@gnu.org>
* pthread/pt-internal.h: Include <atomic.h>, not <bits/atomic.h>. (__pthread_total): Change type of declaration to uatomic_max_t. * pthread/pt-alloc.c: Include <atomic.h>, not <bits/atomic.h>. (__pthread_free_threads): Change type to uatomicptr_t. (__pthread_alloc): Call atomic_compare_and_exchange_val_acq instead of __atomicptr_compare_and_swap. * pthread/pt-create.c: Include <atomic.h>, not <bits/atomic.h>. (__pthread_total): Change type to uatomic_max_t. (__pthread_create_internal): Call atomic_increment, not __atomic_inc and atomic_decrement, not __atomic_dec. * pthread/pt-dealloc.c: Include <atomic.h>, not <bits/atomic.h>. (__pthread_free_threads): Declare as uatomicptr_t. (__pthread_dealloc): Call atomic_compare_and_exchange_val_acq instead of __atomicptr_compare_and_swap. * pthread/pt-exit.c: Include <atomic.h>, not <bits/atomic.h>. (pthread_exit): Call atomic_decrement_and_test instead of __atomic_dec_and_test. * sysdeps/l4/pt-create-np.c: Do not include <bits/atomic.h>.
Diffstat (limited to 'pthread')
-rw-r--r--pthread/pt-alloc.c12
-rw-r--r--pthread/pt-create.c10
-rw-r--r--pthread/pt-dealloc.c8
-rw-r--r--pthread/pt-exit.c6
-rw-r--r--pthread/pt-internal.h6
5 files changed, 21 insertions, 21 deletions
diff --git a/pthread/pt-alloc.c b/pthread/pt-alloc.c
index 7c15fe15..dd9760d6 100644
--- a/pthread/pt-alloc.c
+++ b/pthread/pt-alloc.c
@@ -25,7 +25,7 @@
#include <pt-internal.h>
-#include <bits/atomic.h>
+#include <atomic.h>
/* This braindamage is necessary because the standard says that some
of the threads functions "shall fail" if "No thread could be found
@@ -46,7 +46,7 @@ pthread_rwlock_t __pthread_threads_lock;
/* List of thread structures corresponding to free thread IDs. */
-__atomicptr_t __pthread_free_threads;
+uatomicptr_t __pthread_free_threads;
static inline error_t
initialize_pthread (struct __pthread *new, int recycling)
@@ -97,8 +97,8 @@ __pthread_alloc (struct __pthread **pthread)
/* Try to re-use a thread structure before creating a new one. */
while ((new = (struct __pthread *)__pthread_free_threads))
{
- if (__atomicptr_compare_and_swap (&__pthread_free_threads,
- new, new->next))
+ if (atomic_compare_and_exchange_val_acq (&__pthread_free_threads,
+ new, new->next))
{
/* Yes, we managed to get one. The thread number in the
thread structure still refers to the correct slot. */
@@ -110,8 +110,8 @@ __pthread_alloc (struct __pthread **pthread)
while (1)
{
new->next = (struct __pthread *)__pthread_free_threads;
- if (__atomicptr_compare_and_swap (&__pthread_free_threads,
- new->next, new))
+ if (atomic_compare_and_exchange_val_acq
+ (&__pthread_free_threads, new->next, new))
break;
}
diff --git a/pthread/pt-create.c b/pthread/pt-create.c
index 727fbac1..95df677e 100644
--- a/pthread/pt-create.c
+++ b/pthread/pt-create.c
@@ -1,5 +1,5 @@
/* Thread creation.
- Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2002, 2004 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 @@
#include <pthread.h>
#include <signal.h>
-#include <bits/atomic.h>
+#include <atomic.h>
#include <pt-internal.h>
@@ -33,7 +33,7 @@
/* The total number of pthreads currently active. This is defined
here since it would be really stupid to have a threads-using
program that doesn't call `pthread_create'. */
-__atomic_t __pthread_total;
+uatomic_max_t __pthread_total;
/* The entry-point for new threads. */
@@ -173,7 +173,7 @@ __pthread_create_internal (struct __pthread **thread,
the number of threads from within the new thread isn't an option
since this thread might return and call `pthread_exit' before the
new thread runs. */
- __atomic_inc (&__pthread_total);
+ atomic_increment (&__pthread_total);
/* Store a pointer to this thread in the thread ID lookup table. We
could use __thread_setid, however, we only lock for reading as no
@@ -200,7 +200,7 @@ __pthread_create_internal (struct __pthread **thread,
failed_starting:
__pthread_setid (pthread->thread, NULL);
- __atomic_dec (&__pthread_total);
+ atomic_decrement (&__pthread_total);
failed_sigstate:
__pthread_sigstate_destroy (pthread);
failed_setup:
diff --git a/pthread/pt-dealloc.c b/pthread/pt-dealloc.c
index 1fc7a7b3..f89f3545 100644
--- a/pthread/pt-dealloc.c
+++ b/pthread/pt-dealloc.c
@@ -23,10 +23,10 @@
#include <pt-internal.h>
-#include <bits/atomic.h>
+#include <atomic.h>
/* List of thread structures corresponding to free thread IDs. */
-extern __atomicptr_t __pthread_free_threads;
+extern uatomicptr_t __pthread_free_threads;
/* Deallocate the thread structure for PTHREAD and the resources
associated with it. */
@@ -54,8 +54,8 @@ __pthread_dealloc (struct __pthread *pthread)
while (1)
{
pthread->next = (struct __pthread *)__pthread_free_threads;
- if (__atomicptr_compare_and_swap (&__pthread_free_threads,
- pthread->next, pthread))
+ if (atomic_compare_and_exchange_val_acq (&__pthread_free_threads,
+ pthread->next, pthread))
return;
}
diff --git a/pthread/pt-exit.c b/pthread/pt-exit.c
index fb9e97c0..68f596dc 100644
--- a/pthread/pt-exit.c
+++ b/pthread/pt-exit.c
@@ -1,5 +1,5 @@
/* Thread termination.
- Copyright (C) 2000,02 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2002, 2004 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
@@ -24,7 +24,7 @@
#include <pt-internal.h>
-#include <bits/atomic.h>
+#include <atomic.h>
/* Terminate the current thread and make STATUS available to any
@@ -56,7 +56,7 @@ pthread_exit (void *status)
/* Decrease the number of threads. We use an atomic operation to
make sure that only the last thread calls `exit'. */
- if (__atomic_dec_and_test (&__pthread_total))
+ if (atomic_decrement_and_test (&__pthread_total))
/* We are the last thread. */
exit (0);
diff --git a/pthread/pt-internal.h b/pthread/pt-internal.h
index 79ce19c7..af3dd875 100644
--- a/pthread/pt-internal.h
+++ b/pthread/pt-internal.h
@@ -1,5 +1,5 @@
/* Internal defenitions for pthreads library.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2004 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
@@ -27,7 +27,7 @@
#include <signal.h>
#include <assert.h>
#endif
-#include <bits/atomic.h>
+#include <atomic.h>
#include <pt-key.h>
@@ -126,7 +126,7 @@ __pthread_dequeue (struct __pthread *thread)
element = element->next)
/* The total number of threads currently active. */
-extern __atomic_t __pthread_total;
+extern uatomic_max_t __pthread_total;
/* The total number of thread IDs currently in use, or on the list of
available thread IDs. */