aboutsummaryrefslogtreecommitdiff
path: root/nptl/sysdeps/pthread
diff options
context:
space:
mode:
Diffstat (limited to 'nptl/sysdeps/pthread')
-rw-r--r--nptl/sysdeps/pthread/bits/libc-lock.h38
-rw-r--r--nptl/sysdeps/pthread/pthread-functions.h91
2 files changed, 116 insertions, 13 deletions
diff --git a/nptl/sysdeps/pthread/bits/libc-lock.h b/nptl/sysdeps/pthread/bits/libc-lock.h
index d46f74817e..e4b5b802ee 100644
--- a/nptl/sysdeps/pthread/bits/libc-lock.h
+++ b/nptl/sysdeps/pthread/bits/libc-lock.h
@@ -1,5 +1,5 @@
/* libc-internal interface for mutex locks. NPTL 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.
The GNU C Library is free software; you can redistribute it and/or
@@ -34,6 +34,7 @@
#ifdef _LIBC
# include <lowlevellock.h>
# include <tls.h>
+# include <pthread-functions.h>
#endif
/* Mutex type. */
@@ -144,6 +145,17 @@ typedef pthread_key_t __libc_key_t;
(FUNC != NULL ? FUNC ARGS : ELSE)
#endif
+/* Call thread functions through the function pointer table. */
+#if defined SHARED && !defined NOT_IN_libc
+# define PTF(NAME) __libc_pthread_functions.ptr_##NAME
+# define __libc_ptf_call(FUNC, ARGS, ELSE) \
+ (PTF(FUNC) != NULL ? PTF(FUNC) ARGS : ELSE)
+#else
+# define PTF(NAME) NAME
+# define __libc_ptf_call(FUNC, ARGS, ELSE) \
+ __libc_maybe_call (FUNC, ARGS, ELSE)
+#endif
+
/* Initialize the named lock variable, leaving it in a consistent, unlocked
state. */
@@ -215,9 +227,9 @@ typedef pthread_key_t __libc_key_t;
__libc_maybe_call (__pthread_mutex_lock, (&(NAME)), 0)
#endif
#define __libc_rwlock_rdlock(NAME) \
- __libc_maybe_call (__pthread_rwlock_rdlock, (&(NAME)), 0)
+ __libc_ptf_call (__pthread_rwlock_rdlock, (&(NAME)), 0)
#define __libc_rwlock_wrlock(NAME) \
- __libc_maybe_call (__pthread_rwlock_wrlock, (&(NAME)), 0)
+ __libc_ptf_call (__pthread_rwlock_wrlock, (&(NAME)), 0)
/* Lock the recursive named lock variable. */
#if defined _LIBC && (!defined NOT_IN_libc || defined IS_IN_libpthread)
@@ -289,7 +301,7 @@ typedef pthread_key_t __libc_key_t;
__libc_maybe_call (__pthread_mutex_unlock, (&(NAME)), 0)
#endif
#define __libc_rwlock_unlock(NAME) \
- __libc_maybe_call (__pthread_rwlock_unlock, (&(NAME)), 0)
+ __libc_ptf_call (__pthread_rwlock_unlock, (&(NAME)), 0)
/* Unlock the recursive named lock variable. */
#if defined _LIBC && (!defined NOT_IN_libc || defined IS_IN_libpthread)
@@ -324,8 +336,8 @@ typedef pthread_key_t __libc_key_t;
/* Call handler iff the first call. */
#define __libc_once(ONCE_CONTROL, INIT_FUNCTION) \
do { \
- if (__pthread_once != NULL) \
- __pthread_once (&(ONCE_CONTROL), (INIT_FUNCTION)); \
+ if (PTF(__pthread_once) != NULL) \
+ PTF(__pthread_once) (&(ONCE_CONTROL), INIT_FUNCTION); \
else if ((ONCE_CONTROL) == PTHREAD_ONCE_INIT) { \
INIT_FUNCTION (); \
(ONCE_CONTROL) = !PTHREAD_ONCE_INIT; \
@@ -336,9 +348,9 @@ typedef pthread_key_t __libc_key_t;
/* Start critical region with cleanup. */
#define __libc_cleanup_region_start(DOIT, FCT, ARG) \
{ struct _pthread_cleanup_buffer _buffer; \
- int _avail = _pthread_cleanup_push_defer != NULL; \
+ int _avail = PTF(_pthread_cleanup_push_defer) != NULL; \
if (_avail) { \
- _pthread_cleanup_push_defer (&_buffer, (FCT), (ARG)); \
+ PTF(_pthread_cleanup_push_defer) (&_buffer, FCT, ARG); \
} else if (DOIT) { \
_buffer.__routine = (FCT); \
_buffer.__arg = (ARG); \
@@ -347,7 +359,7 @@ typedef pthread_key_t __libc_key_t;
/* End critical region with cleanup. */
#define __libc_cleanup_region_end(DOIT) \
if (_avail) { \
- _pthread_cleanup_pop_restore (&_buffer, (DOIT)); \
+ PTF(_pthread_cleanup_pop_restore) (&_buffer, DOIT); \
} else if (DOIT) \
_buffer.__routine (_buffer.__arg); \
}
@@ -355,21 +367,21 @@ typedef pthread_key_t __libc_key_t;
/* Sometimes we have to exit the block in the middle. */
#define __libc_cleanup_end(DOIT) \
if (_avail) { \
- _pthread_cleanup_pop_restore (&_buffer, (DOIT)); \
+ PTF(_pthread_cleanup_pop_restore) (&_buffer, DOIT); \
} else if (DOIT) \
_buffer.__routine (_buffer.__arg)
/* Create thread-specific key. */
#define __libc_key_create(KEY, DESTRUCTOR) \
- __libc_maybe_call (__pthread_key_create, (KEY, DESTRUCTOR), 1)
+ __libc_ptf_call (__pthread_key_create, (KEY, DESTRUCTOR), 1)
/* Get thread-specific data. */
#define __libc_getspecific(KEY) \
- __libc_maybe_call (__pthread_getspecific, (KEY), NULL)
+ __libc_ptf_call (__pthread_getspecific, (KEY), NULL)
/* Set thread-specific data. */
#define __libc_setspecific(KEY, VALUE) \
- __libc_maybe_call (__pthread_setspecific, (KEY, VALUE), 0)
+ __libc_ptf_call (__pthread_setspecific, (KEY, VALUE), 0)
/* Register handlers to execute before and after `fork'. Note that the
diff --git a/nptl/sysdeps/pthread/pthread-functions.h b/nptl/sysdeps/pthread/pthread-functions.h
new file mode 100644
index 0000000000..17e3f83216
--- /dev/null
+++ b/nptl/sysdeps/pthread/pthread-functions.h
@@ -0,0 +1,91 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _PTHREAD_FUNCTIONS_H
+#define _PTHREAD_FUNCTIONS_H 1
+
+#include <pthread.h>
+#include <setjmp.h>
+#include <internaltypes.h>
+
+
+/* Data type shared with libc. The libc uses it to pass on calls to
+ the thread functions. */
+struct pthread_functions
+{
+ int (*ptr_pthread_attr_destroy) (pthread_attr_t *);
+ int (*ptr___pthread_attr_init_2_0) (pthread_attr_t *);
+ int (*ptr___pthread_attr_init_2_1) (pthread_attr_t *);
+ int (*ptr_pthread_attr_getdetachstate) (const pthread_attr_t *, int *);
+ int (*ptr_pthread_attr_setdetachstate) (pthread_attr_t *, int);
+ int (*ptr_pthread_attr_getinheritsched) (const pthread_attr_t *, int *);
+ int (*ptr_pthread_attr_setinheritsched) (pthread_attr_t *, int);
+ int (*ptr_pthread_attr_getschedparam) (const pthread_attr_t *,
+ struct sched_param *);
+ int (*ptr_pthread_attr_setschedparam) (pthread_attr_t *,
+ const struct sched_param *);
+ int (*ptr_pthread_attr_getschedpolicy) (const pthread_attr_t *, int *);
+ int (*ptr_pthread_attr_setschedpolicy) (pthread_attr_t *, int);
+ int (*ptr_pthread_attr_getscope) (const pthread_attr_t *, int *);
+ int (*ptr_pthread_attr_setscope) (pthread_attr_t *, int);
+ int (*ptr_pthread_condattr_destroy) (pthread_condattr_t *);
+ int (*ptr_pthread_condattr_init) (pthread_condattr_t *);
+ int (*ptr___pthread_cond_broadcast) (pthread_cond_t *);
+ int (*ptr___pthread_cond_destroy) (pthread_cond_t *);
+ int (*ptr___pthread_cond_init) (pthread_cond_t *,
+ const pthread_condattr_t *);
+ int (*ptr___pthread_cond_signal) (pthread_cond_t *);
+ int (*ptr___pthread_cond_wait) (pthread_cond_t *, pthread_mutex_t *);
+ int (*ptr___pthread_cond_broadcast_2_0) (pthread_cond_2_0_t *);
+ int (*ptr___pthread_cond_destroy_2_0) (pthread_cond_2_0_t *);
+ int (*ptr___pthread_cond_init_2_0) (pthread_cond_2_0_t *,
+ const pthread_condattr_t *);
+ int (*ptr___pthread_cond_signal_2_0) (pthread_cond_2_0_t *);
+ int (*ptr___pthread_cond_wait_2_0) (pthread_cond_2_0_t *, pthread_mutex_t *);
+ int (*ptr_pthread_equal) (pthread_t, pthread_t);
+ void (*ptr___pthread_exit) (void *);
+ int (*ptr_pthread_getschedparam) (pthread_t, int *, struct sched_param *);
+ int (*ptr_pthread_setschedparam) (pthread_t, int,
+ const struct sched_param *);
+ int (*ptr_pthread_mutex_destroy) (pthread_mutex_t *);
+ int (*ptr_pthread_mutex_init) (pthread_mutex_t *,
+ const pthread_mutexattr_t *);
+ int (*ptr_pthread_mutex_lock) (pthread_mutex_t *);
+ int (*ptr_pthread_mutex_unlock) (pthread_mutex_t *);
+ pthread_t (*ptr_pthread_self) (void);
+ int (*ptr_pthread_setcancelstate) (int, int *);
+ int (*ptr_pthread_setcanceltype) (int, int *);
+ void (*ptr___pthread_cleanup_upto) (jmp_buf, char *);
+ int (*ptr___pthread_once) (pthread_once_t *, void (*) (void));
+ int (*ptr___pthread_rwlock_rdlock) (pthread_rwlock_t *);
+ int (*ptr___pthread_rwlock_wrlock) (pthread_rwlock_t *);
+ int (*ptr___pthread_rwlock_unlock) (pthread_rwlock_t *);
+ int (*ptr___pthread_key_create) (pthread_key_t *, void (*) (void *));
+ int (*ptr___pthread_getspecific) (pthread_key_t);
+ int (*ptr___pthread_setspecific) (pthread_key_t, const void *);
+ void (*ptr__pthread_cleanup_push_defer) (struct _pthread_cleanup_buffer *,
+ void (*) (void *), void *);
+ void (*ptr__pthread_cleanup_pop_restore) (struct _pthread_cleanup_buffer *,
+ int);
+};
+
+/* Variable in libc.so. */
+extern struct pthread_functions __libc_pthread_functions attribute_hidden;
+
+#endif /* pthread-functions.h */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 16:35:44 +0000