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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2017-01-02 16:19:48 -0200
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2017-01-02 18:53:50 -0200
commitcbce12d22b91a2393158ed7cb0a81bb26478dafd (patch)
treece301d1a1736362fcb373f3f671595502eee23b3 /sysvipc
parente082ac7533e75d3dbe5b949b09e843a65348d43b (diff)
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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).
Diffstat (limited to 'sysvipc')
-rw-r--r--sysvipc/test-sysvsem.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/sysvipc/test-sysvsem.c b/sysvipc/test-sysvsem.c
index 92396a60e6..279eca9b09 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)