GNU C Library master sources branch master updated. glibc-2.27.9000-293-g9185f86

[zack at sourceware dot org]

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=9185f86d8ffb37defdbea6ef616338106de6c2c8

commit 9185f86d8ffb37defdbea6ef616338106de6c2c8
Author: Zack Weinberg <zackw@panix.com>
Date:   Wed Apr 4 12:37:23 2018 -0400

    Make sysdeps/generic/internal-signals.h less stubby.
    
    Three of the functions defined by internal-signals.h were not actually
    fulfilling their contracts when the sysdeps/generic version of that
    file was used.  Also, the Linux version included several more headers
    than the generic version, which is the root cause of a build failure
    on Hurd (already addressed in another way, but I think it is proper to
    make the headers match).
    
    	* sysdeps/generic/internal-signals.h: Include signal.h,
    	sigsetops.h, and stdbool.h.
    	(__libc_signal_block_all): Actually block all signals.
    	(__libc_signal_block_app): Likewise.
    	(__libc_signal_restore_set): Actually restore the signal mask.

diff --git a/ChangeLog b/ChangeLog
index 663e80c..43e0d6b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2018-04-04  Zack Weinberg  <zackw@panix.com>
+
+	* sysdeps/generic/internal-signals.h: Include signal.h,
+	sigsetops.h, and stdbool.h.
+	(__libc_signal_block_all): Actually block all signals.
+	(__libc_signal_block_app): Likewise.
+	(__libc_signal_restore_set): Actually restore the signal mask.
+
 2018-04-04  Florian Weimer  <fweimer@redhat.com>
 
 	inet: Actually build and run tst-deadline.
diff --git a/sysdeps/generic/internal-signals.h b/sysdeps/generic/internal-signals.h
index 17ed48c..5282cff 100644
--- a/sysdeps/generic/internal-signals.h
+++ b/sysdeps/generic/internal-signals.h
@@ -19,6 +19,10 @@
 #ifndef __INTERNAL_SIGNALS_H
 # define __INTERNAL_SIGNALS_H
 
+#include <signal.h>
+#include <sigsetops.h>
+#include <stdbool.h>
+
 static inline bool
 __is_internal_signal (int sig)
 {
@@ -33,20 +37,25 @@ __clear_internal_signals (sigset_t *set)
 static inline int
 __libc_signal_block_all (sigset_t *set)
 {
-  return 0;
+  sigset_t allset;
+  __sigfillset (&allset);
+  return __sigprocmask (SIG_BLOCK, &allset, set);
 }
 
 static inline int
 __libc_signal_block_app (sigset_t *set)
 {
-  return 0;
+  sigset_t allset;
+  __sigfillset (&allset);
+  __clear_internal_signals (&allset);
+  return __sigprocmask (SIG_BLOCK, &allset, set);
 }
 
 /* Restore current process signal mask.  */
 static inline int
 __libc_signal_restore_set (const sigset_t *set)
 {
-  return 0;
+  return __sigprocmask (SIG_SETMASK, set, NULL);
 }
 
 

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

Summary of changes:
 ChangeLog                          |    8 ++++++++
 sysdeps/generic/internal-signals.h |   15 ++++++++++++---
 2 files changed, 20 insertions(+), 3 deletions(-)


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