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-rw-r--r--nptl/sysdeps/i386/tls.h13
-rw-r--r--nptl/sysdeps/pthread/createthread.c15
-rw-r--r--nptl/sysdeps/s390/tls.h3
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h5
-rw-r--r--nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h3
-rw-r--r--nptl/sysdeps/x86_64/tls.h10
6 files changed, 27 insertions, 22 deletions
diff --git a/nptl/sysdeps/i386/tls.h b/nptl/sysdeps/i386/tls.h
index 9c4c481ccb..5b70586f27 100644
--- a/nptl/sysdeps/i386/tls.h
+++ b/nptl/sysdeps/i386/tls.h
@@ -44,9 +44,10 @@ typedef struct
void *self; /* Pointer to the thread descriptor. */
int multiple_threads;
uintptr_t sysinfo;
- list_t list;
} tcbhead_t;
+# define TLS_MULTIPLE_THREADS_IN_TCB 1
+
#else /* __ASSEMBLER__ */
# include <tcb-offsets.h>
#endif
@@ -116,12 +117,12 @@ union user_desc_init
/* Install the dtv pointer. The pointer passed is to the element with
index -1 which contain the length. */
# define INSTALL_DTV(descr, dtvp) \
- ((tcbhead_t *) (descr))->dtv = dtvp + 1
+ ((tcbhead_t *) (descr))->dtv = (dtvp) + 1
/* Install new dtv for current thread. */
-# define INSTALL_NEW_DTV(dtv) \
+# define INSTALL_NEW_DTV(dtvp) \
({ struct pthread *__pd; \
- THREAD_SETMEM (__pd, header.data.dtvp, dtv); })
+ THREAD_SETMEM (__pd, dtv, (dtvp)); })
/* Return dtv of given thread descriptor. */
# define GET_DTV(descr) \
@@ -227,7 +228,7 @@ union user_desc_init
/* Return the address of the dtv for the current thread. */
# define THREAD_DTV() \
({ struct pthread *__pd; \
- THREAD_GETMEM (__pd, header.data.dtvp); })
+ THREAD_GETMEM (__pd, dtv); })
/* Return the thread descriptor for the current thread.
@@ -239,7 +240,7 @@ union user_desc_init
# define THREAD_SELF \
({ struct pthread *__self; \
asm ("movl %%gs:%c1,%0" : "=r" (__self) \
- : "i" (offsetof (struct pthread, header.data.self))); \
+ : "i" (offsetof (struct pthread, self))); \
__self;})
diff --git a/nptl/sysdeps/pthread/createthread.c b/nptl/sysdeps/pthread/createthread.c
index beee434c62..2fac2d1a4e 100644
--- a/nptl/sysdeps/pthread/createthread.c
+++ b/nptl/sysdeps/pthread/createthread.c
@@ -42,7 +42,7 @@ create_thread (struct pthread *pd, STACK_VARIABLES_PARMS)
PREPARE_CREATE;
#endif
- assert (pd->header.data.tcb != NULL);
+ assert (pd->tcb != NULL);
if (__builtin_expect (THREAD_GETMEM (THREAD_SELF, report_events), 0))
@@ -70,8 +70,12 @@ create_thread (struct pthread *pd, STACK_VARIABLES_PARMS)
/* Failed. */
return errno;
+#ifdef TLS_MULTIPLE_THREADS_IN_TCB
/* We now have for sure more than one thread. */
- pd->header.data.multiple_threads = 1;
+ pd->multiple_threads = 1;
+#else
+ __pthread_multiple_threads = __libc_multiple_threads = 1;
+#endif
/* Now fill in the information about the new thread in
the newly created thread's data structure. We cannot let
@@ -97,8 +101,7 @@ create_thread (struct pthread *pd, STACK_VARIABLES_PARMS)
}
#ifdef NEED_DL_SYSINFO
- assert (THREAD_GETMEM (THREAD_SELF, header.data.sysinfo)
- == pd->header.data.sysinfo);
+ assert (THREAD_GETMEM (THREAD_SELF, sysinfo) == pd->sysinfo);
#endif
/* We rely heavily on various flags the CLONE function understands:
@@ -139,8 +142,10 @@ create_thread (struct pthread *pd, STACK_VARIABLES_PARMS)
/* Failed. */
return errno;
+#ifdef TLS_MULTIPLE_THREADS_IN_TCB
/* We now have for sure more than one thread. */
- THREAD_SETMEM (THREAD_SELF, header.data.multiple_threads, 1);
+ THREAD_SETMEM (THREAD_SELF, multiple_threads, 1);
+#endif
return 0;
}
diff --git a/nptl/sysdeps/s390/tls.h b/nptl/sysdeps/s390/tls.h
index 9b186f657f..4151f7fded 100644
--- a/nptl/sysdeps/s390/tls.h
+++ b/nptl/sysdeps/s390/tls.h
@@ -46,9 +46,10 @@ typedef struct
#ifdef NEED_DL_SYSINFO
uintptr_t sysinfo;
#endif
- list_t list;
} tcbhead_t;
+# define TLS_MULTIPLE_THREADS_IN_TCB 1
+
#else /* __ASSEMBLER__ */
# include <tcb-offsets.h>
#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
index d9b51a4da5..6abb59a144 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
@@ -78,8 +78,7 @@
# ifndef __ASSEMBLER__
# define SINGLE_THREAD_P \
- __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
- header.data.multiple_threads) == 0, 1)
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, multiple_threads) == 0, 1)
# else
# define SINGLE_THREAD_P cmpl $0, %gs:MULTIPLE_THREADS_OFFSET
# endif
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h
index 07bac6d35d..27147476e2 100644
--- a/nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/sh/sysdep-cancel.h
@@ -117,8 +117,7 @@
# ifndef __ASSEMBLER__
# define SINGLE_THREAD_P \
- __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
- header.data.multiple_threads) == 0, 1)
+ __builtin_expect (THREAD_GETMEM (THREAD_SELF, multiple_threads) == 0, 1)
# else
# define SINGLE_THREAD_P \
stc gbr,r0; \
diff --git a/nptl/sysdeps/x86_64/tls.h b/nptl/sysdeps/x86_64/tls.h
index 66e878ef0b..ae1c66e373 100644
--- a/nptl/sysdeps/x86_64/tls.h
+++ b/nptl/sysdeps/x86_64/tls.h
@@ -84,12 +84,12 @@ typedef struct
/* Install the dtv pointer. The pointer passed is to the element with
index -1 which contain the length. */
# define INSTALL_DTV(descr, dtvp) \
- ((tcbhead_t *) (descr))->dtv = dtvp + 1
+ ((tcbhead_t *) (descr))->dtv = (dtvp) + 1
/* Install new dtv for current thread. */
-# define INSTALL_NEW_DTV(dtv) \
+# define INSTALL_NEW_DTV(dtvp) \
({ struct pthread *__pd; \
- THREAD_SETMEM (__pd, header.data.dtvp, dtv); })
+ THREAD_SETMEM (__pd, dtv, (dtvp)); })
/* Return dtv of given thread descriptor. */
# define GET_DTV(descr) \
@@ -133,7 +133,7 @@ typedef struct
/* Return the address of the dtv for the current thread. */
# define THREAD_DTV() \
({ struct pthread *__pd; \
- THREAD_GETMEM (__pd, header.data.dtvp); })
+ THREAD_GETMEM (__pd, dtv); })
/* Return the thread descriptor for the current thread.
@@ -145,7 +145,7 @@ typedef struct
# define THREAD_SELF \
({ struct pthread *__self; \
asm ("movq %%fs:%c1,%0" : "=r" (__self) \
- : "i" (offsetof (struct pthread, header.data.self))); \
+ : "i" (offsetof (struct pthread, self))); \
__self;})
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-04 19:50:37 +0000