add sysv ipc message queues (completely untested)

diff --git a/src/ipc/msgctl.c b/src/ipc/msgctl.c
new file mode 100644 (file)
index 0000000..7c84291
--- /dev/null
+++ b/src/ipc/msgctl.c
@@ -0,0 +1,12 @@
+#include <sys/msg.h>
+#include "syscall.h"
+#include "ipc.h"
+
+int msgctl(int q, int cmd, struct msqid_ds *buf)
+{
+#ifdef __NR_msgctl
+       return syscall(SYS_msgctl, q, cmd, buf);
+#else
+       return syscall(SYS_ipc, IPCOP_msgctl, q, cmd, buf);
+#endif
+}

diff --git a/src/ipc/msgget.c b/src/ipc/msgget.c
new file mode 100644 (file)
index 0000000..9d79fe7
--- /dev/null
+++ b/src/ipc/msgget.c
@@ -0,0 +1,12 @@
+#include <sys/msg.h>
+#include "syscall.h"
+#include "ipc.h"
+
+int msgget(key_t k, int flag)
+{
+#ifdef __NR_msgget
+       return syscall(SYS_msgget, k, flag);
+#else
+       return syscall(SYS_ipc, IPCOP_msgget, k, flag);
+#endif
+}

diff --git a/src/ipc/msgrcv.c b/src/ipc/msgrcv.c
new file mode 100644 (file)
index 0000000..ee07176
--- /dev/null
+++ b/src/ipc/msgrcv.c
@@ -0,0 +1,17 @@
+#include <sys/msg.h>
+#include "syscall.h"
+#include "ipc.h"
+#include "libc.h"
+
+ssize_t msgrcv(int q, void *m, size_t len, long type, int flag)
+{
+       ssize_t r;
+       CANCELPT_BEGIN;
+#ifdef __NR_msgrcv
+       r = syscall(SYS_msgrcv, q, m, len, type, flag);
+#else
+       r = syscall(SYS_ipc, IPCOP_msgrcv, q, len, flag, ((long[]){ (long)m, type }));
+#endif
+       CANCELPT_END;
+       return r;
+}

diff --git a/src/ipc/msgsnd.c b/src/ipc/msgsnd.c
new file mode 100644 (file)
index 0000000..ed05d6b
--- /dev/null
+++ b/src/ipc/msgsnd.c
@@ -0,0 +1,17 @@
+#include <sys/msg.h>
+#include "syscall.h"
+#include "ipc.h"
+#include "libc.h"
+
+ssize_t msgsnd(int q, const void *m, size_t len, int flag)
+{
+       ssize_t r;
+       CANCELPT_BEGIN;
+#ifdef __NR_msgsnd
+       r = syscall(SYS_msgsnd, q, m, len, flag);
+#else
+       r = syscall(SYS_ipc, IPCOP_msgsnd, q, len, flag, m);
+#endif
+       CANCELPT_END;
+       return r;
+}