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Split nptl-signals.h out from pthreadP.h

This commit is contained in:
Roland McGrath 2014-07-31 11:37:48 -07:00
parent f349489e7e
commit 23fe486beb
4 changed files with 64 additions and 16 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2014-07-31 Roland McGrath <roland@hack.frob.com>
* nptl/pthreadP.h (SIGCANCEL, SIGTIMER, SIGSETXID, __xidcmd): Moved ...
* sysdeps/unix/sysv/linux/nptl-signals.h: ... to this new file.
* sysdeps/nptl/nptl-signals.h: New file.
* nptl/pthreadP.h: Include <nptl-signals.h>.
2014-07-31 Stefan Liebler <stli@linux.vnet.ibm.com>
* sysdeps/s390/s390-64/utf16-utf32-z9.c

18
nptl/pthreadP.h
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@ -32,6 +32,8 @@
#include <atomic.h>
#include <kernel-features.h>
#include <errno.h>
#include <nptl-signals.h>
/* Atomic operations on TLS memory. */
#ifndef THREAD_ATOMIC_CMPXCHG_VAL
@ -314,22 +316,6 @@ __do_cancel (void)
# define LIBC_CANCEL_HANDLED() /* Nothing. */
#endif
/* The signal used for asynchronous cancelation. */
#define SIGCANCEL __SIGRTMIN
/* Signal needed for the kernel-supported POSIX timer implementation.
We can reuse the cancellation signal since we can distinguish
cancellation from timer expirations. */
#define SIGTIMER SIGCANCEL
/* Signal used to implement the setuid et.al. functions. */
#define SIGSETXID (__SIGRTMIN + 1)
/* Used to communicate with signal handler. */
extern struct xid_command *__xidcmd attribute_hidden;
/* Internal prototypes. */

22
sysdeps/nptl/nptl-signals.h Normal file
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@ -0,0 +1,22 @@
/* Special use of signals in NPTL internals. Stub version.
Copyright (C) 2014 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
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/>. */
/* This file can define the macros SIGCANCEL, SIGTIMER, and SIGSETXID to
signal numbers reserved by libpthread for those internal purposes.
Note that some code presumes SIGTIMER is the same as SIGCANCEL. */

33
sysdeps/unix/sysv/linux/nptl-signals.h Normal file
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@ -0,0 +1,33 @@
/* Special use of signals in NPTL internals. Linux version.
Copyright (C) 2014 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
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/>. */
/* The signal used for asynchronous cancelation. */
#define SIGCANCEL __SIGRTMIN
/* Signal needed for the kernel-supported POSIX timer implementation.
We can reuse the cancellation signal since we can distinguish
cancellation from timer expirations. */
#define SIGTIMER SIGCANCEL
/* Signal used to implement the setuid et.al. functions. */
#define SIGSETXID (__SIGRTMIN + 1)
/* Used to communicate with signal handler. */
extern struct xid_command *__xidcmd attribute_hidden;