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Diffstat (limited to 'src/ipc/msgctl.c')
-rw-r--r--src/ipc/msgctl.c26
1 files changed, 24 insertions, 2 deletions
diff --git a/src/ipc/msgctl.c b/src/ipc/msgctl.c
index 4372c719..ea9b2337 100644
--- a/src/ipc/msgctl.c
+++ b/src/ipc/msgctl.c
@@ -1,12 +1,34 @@
#include <sys/msg.h>
+#include <endian.h>
#include "syscall.h"
#include "ipc.h"
+#if __BYTE_ORDER != __BIG_ENDIAN
+#undef SYSCALL_IPC_BROKEN_MODE
+#endif
+
int msgctl(int q, int cmd, struct msqid_ds *buf)
{
+#ifdef SYSCALL_IPC_BROKEN_MODE
+ struct msqid_ds tmp;
+ if (cmd == IPC_SET) {
+ tmp = *buf;
+ tmp.msg_perm.mode *= 0x10000U;
+ buf = &tmp;
+ }
+#endif
#ifdef SYS_msgctl
- return syscall(SYS_msgctl, q, cmd | IPC_64, buf);
+ int r = __syscall(SYS_msgctl, q, cmd | IPC_64, buf);
#else
- return syscall(SYS_ipc, IPCOP_msgctl, q, cmd | IPC_64, 0, buf, 0);
+ int r = __syscall(SYS_ipc, IPCOP_msgctl, q, cmd | IPC_64, 0, buf, 0);
+#endif
+#ifdef SYSCALL_IPC_BROKEN_MODE
+ if (r >= 0) switch (cmd) {
+ case IPC_STAT:
+ case MSG_STAT:
+ case MSG_STAT_ANY:
+ buf->msg_perm.mode >>= 16;
+ }
#endif
+ return __syscall_ret(r);
}