GNU C Library master sources branch master updated. glibc-2.24-598-gcbce12d

[azanella at sourceware dot org]

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=cbce12d22b91a2393158ed7cb0a81bb26478dafd

commit cbce12d22b91a2393158ed7cb0a81bb26478dafd
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Mon Jan 2 16:19:48 2017 -0200

    Fix test-sysvsem on some platforms
    
    The command IPC_STAT of semctl expects an union semun in its fourth
    argument instead of struct semid_ds *.  This can cause failures on
    powerpc32-linux-gnu.
    
    Checked on x86_64-linux-gnu, i686-linux-gnu, and powerpc32-linux-gnu
    (qemu system emulation).

diff --git a/ChangeLog b/ChangeLog
index b3b6df5..7762fb7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2017-01-02  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
+
+	* sysvipc/test-sysvsem.c (do_test): Define and use union semun on
+	semctl.
+
 2017-01-02  Joseph Myers  <joseph@codesourcery.com>
 
 	* math/test-nearbyint-except.c: Include <stdbool.h>.
diff --git a/sysvipc/test-sysvsem.c b/sysvipc/test-sysvsem.c
index 92396a6..279eca9 100644
--- a/sysvipc/test-sysvsem.c
+++ b/sysvipc/test-sysvsem.c
@@ -55,6 +55,13 @@ do_prepare (int argc, char *argv[])
 
 #define SEM_MODE 0644
 
+union semun
+{
+  int val;
+  struct semid_ds *buf;
+  unsigned short  *array;
+};
+
 static int
 do_test (void)
 {
@@ -74,7 +81,7 @@ do_test (void)
 
   /* Get semaphore kernel information and do some sanity checks.  */
   struct semid_ds seminfo;
-  if (semctl (semid, 0, IPC_STAT, &seminfo) == -1)
+  if (semctl (semid, 0, IPC_STAT, (union semun) { .buf = &seminfo }) == -1)
     FAIL_EXIT1 ("semctl with IPC_STAT failed (errno=%d)", errno);
 
   if (seminfo.sem_perm.__key != key)

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

Summary of changes:
 ChangeLog              |    5 +++++
 sysvipc/test-sysvsem.c |    9 ++++++++-
 2 files changed, 13 insertions(+), 1 deletions(-)


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