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authorRich Felker <dalias@aerifal.cx>2014-01-08 17:37:05 -0500
committerRich Felker <dalias@aerifal.cx>2014-01-08 17:37:05 -0500
commit8e776e3ed40a4fb084e3d671d887825049c8f0cf (patch)
treefe1cd8e1d544801eea2b651475ca621c93b5bd4f /src/ipc
parent5f94205369a8b98ce2ce4ad2f7e2dba2da557846 (diff)
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fix inadvertent use of struct in place of union for semun
Diffstat (limited to 'src/ipc')
-rw-r--r--src/ipc/semctl.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/ipc/semctl.c b/src/ipc/semctl.c
index 49927e2e..3d79f503 100644
--- a/src/ipc/semctl.c
+++ b/src/ipc/semctl.c
@@ -3,7 +3,7 @@
 #include "syscall.h"
 #include "ipc.h"
 
-struct semun {
+union semun {
 	int val;
 	struct semid_ds *buf;
 	unsigned short *array;
@@ -11,10 +11,10 @@ struct semun {
 
 int semctl(int id, int num, int cmd, ...)
 {
-	struct semun arg;
+	union semun arg;
 	va_list ap;
 	va_start(ap, cmd);
-	arg = va_arg(ap, struct semun);
+	arg = va_arg(ap, union semun);
 	va_end(ap);
 #ifdef SYS_semctl
 	return syscall(SYS_semctl, id, num, cmd | IPC_64, arg.buf);