GNU C Library master sources branch master updated. glibc-2.22-253-ge67dc1b

[schwab at sourceware dot org]

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=e67dc1b57f1fc8407cb45bdb38ae1eaa0a5c6f78

commit e67dc1b57f1fc8407cb45bdb38ae1eaa0a5c6f78
Author: Andreas Schwab <schwab@suse.de>
Date:   Thu Sep 17 15:58:01 2015 +0200

    Restore sparc64 implementation of semctl
    
    The sparc64 variant of the ipc syscall does not dereference the pointer
    argument for the SEMCTL operation.

diff --git a/ChangeLog b/ChangeLog
index deef2a3..2a442d2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2015-09-17  Andreas Schwab  <schwab@suse.de>
+
+	* sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c: Readd.
+
 2015-09-16  Joseph Myers  <joseph@codesourcery.com>
 
 	[BZ #18977]
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c b/sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c
new file mode 100644
index 0000000..2714728
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 1995-2015 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
+
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <stdarg.h>
+#include <sys/sem.h>
+#include <ipc_priv.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+/* Define a `union semun' suitable for Linux here.  */
+union semun
+{
+  int val;			/* value for SETVAL */
+  struct semid_ds *buf;		/* buffer for IPC_STAT & IPC_SET */
+  unsigned short int *array;	/* array for GETALL & SETALL */
+  struct seminfo *__buf;	/* buffer for IPC_INFO */
+};
+
+/* Return identifier for array of NSEMS semaphores associated with
+   KEY.  */
+
+int
+semctl (int semid, int semnum, int cmd, ...)
+{
+  union semun arg;
+  va_list ap;
+
+  va_start (ap, cmd);
+
+  /* Get the argument.  */
+  arg = va_arg (ap, union semun);
+
+  va_end (ap);
+
+  return INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd,
+			 arg.array);
+}

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                                          |    4 ++++
 .../sysv/linux/{arm => sparc/sparc64}/semctl.c     |   14 +++++++-------
 2 files changed, 11 insertions(+), 7 deletions(-)
 copy sysdeps/unix/sysv/linux/{arm => sparc/sparc64}/semctl.c (84%)


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