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Hurd: libc_once_get

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Thomas Schwinge 2012-05-10 14:50:14 -07:00 committed by Roland McGrath
parent 37233df9d1
commit be971a2b1c
7 changed files with 27 additions and 4 deletions
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7
ChangeLog
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@ -1,5 +1,12 @@
2012-05-10 Thomas Schwinge <thomas@schwinge.name>
[BZ #3748]
* bits/libc-lock.h (__libc_once_get): New macro.
* sysdeps/mach/bits/libc-lock.h: Likewise.
* sysdeps/mach/hurd/bits/libc-lock.h: Likewise.
* sysdeps/posix/getaddrinfo.c (getaddrinfo): Use __libc_once_get
instead of using implementation details.
* libio/fileops.c: Unconditionally include <kernel-features.h>.
* libio/freopen.c: Likewise.
* libio/freopen64.c: Likewise.

5
bits/libc-lock.h
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@ -1,5 +1,5 @@
/* libc-internal interface for mutex locks. Stub version.
Copyright (C) 1996,97,99,2000-2002,2003 Free Software Foundation, Inc.
Copyright (C) 1996-2012 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
@ -97,6 +97,9 @@
} \
} while (0)
/* Get once control variable. */
#define __libc_once_get(ONCE_CONTROL) \
((ONCE_CONTROL) == 1)
/* Start a critical region with a cleanup function */
#define __libc_cleanup_region_start(DOIT, FCT, ARG) \

5
nptl/ChangeLog
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@ -1,3 +1,8 @@
2012-05-10 Thomas Schwinge <thomas@schwinge.name>
[BZ #3748]
* sysdeps/pthread/bits/libc-lockP.h (__libc_once_get): New macro.
2012-05-09 Chung-Lin Tang <cltang@codesourcery.com>
* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S

2
nptl/sysdeps/pthread/bits/libc-lockP.h
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@ -257,6 +257,8 @@ typedef pthread_key_t __libc_key_t;
} \
} while (0)
/* Get once control variable. */
#define __libc_once_get(ONCE_CONTROL) ((ONCE_CONTROL) != PTHREAD_ONCE_INIT)
/* Note that for I/O cleanup handling we are using the old-style
cancel handling. It does not have to be integrated with C++ snce

5
sysdeps/mach/bits/libc-lock.h
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@ -1,5 +1,5 @@
/* libc-internal interface for mutex locks. Mach cthreads version.
Copyright (C) 1996,97,98,2000,01, 2002 Free Software Foundation, Inc.
Copyright (C) 1996-2012 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
@ -115,6 +115,9 @@ struct __libc_once
__libc_lock_unlock (ONCE_CONTROL.lock); \
} while (0)
/* Get once control variable. */
#define __libc_once_get(ONCE_CONTROL) ((ONCE_CONTROL).done != 0)
#ifdef _LIBC
/* We need portable names for some functions. E.g., when they are
used as argument to __libc_cleanup_region_start. */

5
sysdeps/mach/hurd/bits/libc-lock.h
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@ -1,5 +1,5 @@
/* libc-internal interface for mutex locks. Hurd version using Mach cthreads.
Copyright (C) 1996,97,98,2000,01, 2002, 2003 Free Software Foundation, Inc.
Copyright (C) 1996-2012 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
@ -187,6 +187,9 @@ struct __libc_once
__libc_lock_unlock (ONCE_CONTROL.lock); \
} while (0)
/* Get once control variable. */
#define __libc_once_get(ONCE_CONTROL) ((ONCE_CONTROL).done != 0)
#ifdef _LIBC
/* We need portable names for some functions. E.g., when they are
used as argument to __libc_cleanup_region_start. */

2
sysdeps/posix/getaddrinfo.c
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@ -2604,7 +2604,7 @@ getaddrinfo (const char *name, const char *service,
__libc_lock_define_initialized (static, lock);
__libc_lock_lock (lock);
if (old_once && gaiconf_reload_flag)
if (__libc_once_get (old_once) && gaiconf_reload_flag)
gaiconf_reload ();
qsort_r (order, nresults, sizeof (order[0]), rfc3484_sort, &src);
__libc_lock_unlock (lock);