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* semaphoreP.h: Declare __old_sem_init and __old_sem_wait.

* sem_init.c (__new_sem_init): Rewrite to initialize all three
	fields in the structure.
	(__old_sem_init): New function.
	* sem_open.c: Initialize all fields of the structure.
	* sem_getvalue.c: Adjust for renamed element.
	* sysdeps/unix/sysv/linux/Makefile [subdir=nptl]
	(gen-as-const-headers): Add structsem.sym.
	* sysdeps/unix/sysv/linux/structsem.sym: New file.
	* sysdeps/unix/sysv/linux/internaltypes.h: Rename struct sem to
	struct new_sem.  Add struct old_sem.
	* sysdeps/unix/sysv/linux/sem_post.c: Wake only when there are waiters.
	* sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_post.S: Likewise.
	* sysdeps/unix/sysv/linux/sem_wait.c: Indicate that there are waiters.
	* sysdeps/unix/sysv/linux/i386/i486/sem_wait.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Likewise.
	* sysdeps/unix/sysv/linux/sem_timedwait.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Likewise.
	* Makefile (tests): Add tst-sem10, tst-sem11, tst-sem12.
	* tst-sem10.c: New file.
	* tst-sem11.c: New file.
	* tst-sem12.c: New file.
	* tst-typesizes.c: Test struct new_sem and struct old_sem instead
	of struct sem.

2007-05-25  Ulrich Drepper  <drepper@redhat.com>
This commit is contained in:
Ulrich Drepper
2007-05-26 01:31:40 +00:00
parent 2af4e3e566
commit 3d2dd6ca71
19 changed files with 1089 additions and 198 deletions

View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2006 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2006, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -304,12 +304,14 @@ sem_open (const char *name, int oflag, ...)
/* Create the initial file content. */
sem_t initsem;
struct sem *iinitsem = (struct sem *) &initsem;
iinitsem->count = value;
struct new_sem *iinitsem = (struct new_sem *) &initsem;
iinitsem->value = value;
iinitsem->private = 0;
iinitsem->nwaiters = 0;
/* Initialize the remaining bytes as well. */
memset ((char *) &initsem + sizeof (struct sem), '\0',
sizeof (sem_t) - sizeof (struct sem));
memset ((char *) &initsem + sizeof (struct new_sem), '\0',
sizeof (sem_t) - sizeof (struct new_sem));
tmpfname = (char *) alloca (mountpoint.dirlen + 6 + 1);
char *xxxxxx = __mempcpy (tmpfname, mountpoint.dir, mountpoint.dirlen);