GNU C Library master sources branch master updated. glibc-2.20-109-g13d8455

[carlos at sourceware dot org]

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=13d845549e41823e6658122dcf268154bcbbcfde

commit 13d845549e41823e6658122dcf268154bcbbcfde
Author: Carlos O'Donell <carlos@redhat.com>
Date:   Thu Oct 23 23:14:12 2014 -0400

    hppa: Make __SIGRTMIN 32 (ABI break).
    
    In the Linux kernel version 3.17 the signal numbers were rearranged in
    order to make hppa like every other arch. Previously we started
    __SIGRTMIN at 37, and that meant several pieces of important software,
    including systemd, would fail to build. To support systemd we removed
    SIGEMT and SIGLOST, and rearranged the others according to expected
    values. This is technically an ABI incompatible change, but because
    zero applications use SIGSTKFLT, SIGXCPU, SIGXFSZ and SIGSYS nothing
    broke.  Nothing uses SIGEMT and SIGLOST, and they were present for
    HPUX compatibility which is no longer supported. Thus because nothing
    breaks we don't do any compatibility work here.
    
    Upstream kernel commit is 1f25df2eff5b25f52c139d3ff31bc883eee9a0ab.
    
    Signed-off-by: Carlos O'Donell <carlos@systemhalted.org>
    Signed-off-by: Helge Deller <deller@gmx.de>
    
    2014-10-23  Carlos O'Donell  <carlos@systemhalted.org>
    	    Helge Deller <deller@gmx.de>
    
    	[BZ #17508]
    	* sysdeps/unix/sysv/linux/hppa/bits/signum.h: Remove SIGEMT.
    	Define SIGSTKFLT as 7. Define SIGSYS as 31. Define SIGXCPU as 12.
    	Remove SIGLOST. Define SIGXFSZ as 30. Define __SIGRTMIN as 32.

diff --git a/ChangeLog b/ChangeLog
index 1d05492..8afd75d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2014-10-23  Carlos O'Donell  <carlos@systemhalted.org>
+	    Helge Deller <deller@gmx.de>
+
+	[BZ #17508]
+	* sysdeps/unix/sysv/linux/hppa/bits/signum.h: Remove SIGEMT.
+	Define SIGSTKFLT as 7. Define SIGSYS as 31. Define SIGXCPU as 12.
+	Remove SIGLOST. Define SIGXFSZ as 30. Define __SIGRTMIN as 32.
+
 2014-10-23  Joseph Myers  <joseph@codesourcery.com>
 
 	[BZ #14132]
diff --git a/NEWS b/NEWS
index 5850c4a..13be62e 100644
--- a/NEWS
+++ b/NEWS
@@ -10,7 +10,7 @@ Version 2.21
 * The following bugs are resolved with this release:
 
   6652, 12926, 14171, 15884, 17266, 17363, 17370, 17371, 17411, 17460,
-  17485.
+  17485, 17508.
 
 Version 2.20
 
diff --git a/sysdeps/unix/sysv/linux/hppa/bits/signum.h b/sysdeps/unix/sysv/linux/hppa/bits/signum.h
index 7f935c5..b05fee7 100644
--- a/sysdeps/unix/sysv/linux/hppa/bits/signum.h
+++ b/sysdeps/unix/sysv/linux/hppa/bits/signum.h
@@ -36,12 +36,12 @@
 #define	SIGTRAP		5	/* Trace trap (POSIX).  */
 #define	SIGABRT		6	/* Abort (ANSI).  */
 #define	SIGIOT		6	/* IOT trap (4.2 BSD).  */
-#define	SIGEMT		7
+#define	SIGSTKFLT	7	/* Stack fault.  */
 #define	SIGFPE		8	/* Floating-point exception (ANSI).  */
 #define	SIGKILL		9	/* Kill, unblockable (POSIX).  */
 #define	SIGBUS		10	/* BUS error (4.2 BSD).  */
 #define	SIGSEGV		11	/* Segmentation violation (ANSI).  */
-#define SIGSYS		12	/* Bad system call.  */
+#define	SIGXCPU		12	/* CPU limit exceeded (4.2 BSD).  */
 #define	SIGPIPE		13	/* Broken pipe (POSIX).  */
 #define	SIGALRM		14	/* Alarm clock (POSIX).  */
 #define	SIGTERM		15	/* Termination (ANSI).  */
@@ -61,11 +61,9 @@
 #define	SIGTTIN		27	/* Background read from tty (POSIX).  */
 #define	SIGTTOU		28	/* Background write to tty (POSIX).  */
 #define	SIGURG		29	/* Urgent condition on socket (4.2 BSD).  */
-#define SIGLOST		30	/* Operating System Has Lost (HP/UX). */
+#define	SIGXFSZ		30	/* File size limit exceeded (4.2 BSD).  */
+#define SIGSYS		31	/* Bad system call.  */
 #define SIGUNUSED	31
-#define	SIGXCPU		33	/* CPU limit exceeded (4.2 BSD).  */
-#define	SIGXFSZ		34	/* File size limit exceeded (4.2 BSD).  */
-#define	SIGSTKFLT	36	/* Stack fault.  */
 
 #define	_NSIG		65	/* Biggest signal number + 1
 				   (including real-time signals).  */
@@ -75,7 +73,17 @@
 
 /* These are the hard limits of the kernel.  These values should not be
    used directly at user level.  */
-#define __SIGRTMIN	37
+/* In the Linux kernel version 3.17, and glibc 2.21, the signal numbers
+   were rearranged in order to make hppa like every other arch. Previously
+   we started __SIGRTMIN at 37, and that meant several pieces of important
+   software, including systemd, would fail to build. To support systemd we
+   removed SIGEMT and SIGLOST, and rearranged the others according to
+   expected values. This is technically an ABI incompatible change, but
+   because zero applications use SIGSTKFLT, SIGXCPU, SIGXFSZ and SIGSYS
+   nothing broke.  Nothing uses SIGEMT and SIGLOST, and they were present
+   for HPUX compatibility which is no longer supported.  Thus because
+   nothing breaks we don't do any compatibility work here.  */
+#define __SIGRTMIN	32	/* Kernel > 3.17.  */
 #define __SIGRTMAX	(_NSIG - 1)
 
 #endif	/* <signal.h> included.  */

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

Summary of changes:
 ChangeLog                                  |    8 ++++++++
 NEWS                                       |    2 +-
 sysdeps/unix/sysv/linux/hppa/bits/signum.h |   22 +++++++++++++++-------
 3 files changed, 24 insertions(+), 8 deletions(-)


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