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-rw-r--r--src/ipc/msgctl.c26
-rw-r--r--src/ipc/semctl.c26
-rw-r--r--src/ipc/shmctl.c26
3 files changed, 72 insertions, 6 deletions
diff --git a/src/ipc/msgctl.c b/src/ipc/msgctl.c
index 4372c71..ea9b233 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);
}
diff --git a/src/ipc/semctl.c b/src/ipc/semctl.c
index 673a9a8..941e281 100644
--- a/src/ipc/semctl.c
+++ b/src/ipc/semctl.c
@@ -1,8 +1,13 @@
#include <sys/sem.h>
#include <stdarg.h>
+#include <endian.h>
#include "syscall.h"
#include "ipc.h"
+#if __BYTE_ORDER != __BIG_ENDIAN
+#undef SYSCALL_IPC_BROKEN_MODE
+#endif
+
union semun {
int val;
struct semid_ds *buf;
@@ -20,9 +25,26 @@ int semctl(int id, int num, int cmd, ...)
arg = va_arg(ap, union semun);
va_end(ap);
}
+#ifdef SYSCALL_IPC_BROKEN_MODE
+ struct semid_ds tmp;
+ if (cmd == IPC_SET) {
+ tmp = *arg.buf;
+ tmp.sem_perm.mode *= 0x10000U;
+ arg.buf = &tmp;
+ }
+#endif
#ifdef SYS_semctl
- return syscall(SYS_semctl, id, num, cmd | IPC_64, arg.buf);
+ int r = __syscall(SYS_semctl, id, num, cmd | IPC_64, arg.buf);
#else
- return syscall(SYS_ipc, IPCOP_semctl, id, num, cmd | IPC_64, &arg.buf);
+ int r = __syscall(SYS_ipc, IPCOP_semctl, id, num, cmd | IPC_64, &arg.buf);
+#endif
+#ifdef SYSCALL_IPC_BROKEN_MODE
+ if (r >= 0) switch (cmd) {
+ case IPC_STAT:
+ case SEM_STAT:
+ case SEM_STAT_ANY:
+ arg.buf->sem_perm.mode >>= 16;
+ }
#endif
+ return __syscall_ret(r);
}
diff --git a/src/ipc/shmctl.c b/src/ipc/shmctl.c
index e2879f2..c951a58 100644
--- a/src/ipc/shmctl.c
+++ b/src/ipc/shmctl.c
@@ -1,12 +1,34 @@
#include <sys/shm.h>
+#include <endian.h>
#include "syscall.h"
#include "ipc.h"
+#if __BYTE_ORDER != __BIG_ENDIAN
+#undef SYSCALL_IPC_BROKEN_MODE
+#endif
+
int shmctl(int id, int cmd, struct shmid_ds *buf)
{
+#ifdef SYSCALL_IPC_BROKEN_MODE
+ struct shmid_ds tmp;
+ if (cmd == IPC_SET) {
+ tmp = *buf;
+ tmp.shm_perm.mode *= 0x10000U;
+ buf = &tmp;
+ }
+#endif
#ifdef SYS_shmctl
- return syscall(SYS_shmctl, id, cmd | IPC_64, buf);
+ int r = __syscall(SYS_shmctl, id, cmd | IPC_64, buf);
#else
- return syscall(SYS_ipc, IPCOP_shmctl, id, cmd | IPC_64, 0, buf, 0);
+ int r = __syscall(SYS_ipc, IPCOP_shmctl, id, cmd | IPC_64, 0, buf, 0);
+#endif
+#ifdef SYSCALL_IPC_BROKEN_MODE
+ if (r >= 0) switch (cmd) {
+ case IPC_STAT:
+ case SHM_STAT:
+ case SHM_STAT_ANY:
+ buf->shm_perm.mode >>= 16;
+ }
#endif
+ return __syscall_ret(r);
}