Handle the TIOCMGET ioctl.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4291 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/m_syswrap/syswrap-generic.c b/coregrind/m_syswrap/syswrap-generic.c
index 94b5c71..a60f618 100644
--- a/coregrind/m_syswrap/syswrap-generic.c
+++ b/coregrind/m_syswrap/syswrap-generic.c
@@ -3096,6 +3096,9 @@
    case VKI_TIOCMSET:
       PRE_MEM_READ( "ioctl(TIOCMSET)",    ARG3, sizeof(unsigned int) );
       break;
+   case VKI_TIOCMGET:
+      PRE_MEM_WRITE( "ioctl(TIOCMGET)",   ARG3, sizeof(unsigned int) );
+      break;
    case VKI_TIOCLINUX:
       PRE_MEM_READ( "ioctl(TIOCLINUX)",   ARG3, sizeof(char *) );
       if (*(char *)ARG3 == 11) {
@@ -3888,6 +3891,9 @@
    case VKI_TIOCMBIC:
    case VKI_TIOCMSET:
       break;
+   case VKI_TIOCMGET:
+      POST_MEM_WRITE( ARG3, sizeof(unsigned int) );
+      break;
    case VKI_TIOCLINUX:
       POST_MEM_WRITE( ARG3, sizeof(char *) );
       break;
diff --git a/include/vki-amd64-linux.h b/include/vki-amd64-linux.h
index 934a276..d1c2876 100644
--- a/include/vki-amd64-linux.h
+++ b/include/vki-amd64-linux.h
@@ -417,6 +417,7 @@
 #define VKI_TIOCOUTQ	0x5411
 #define VKI_TIOCGWINSZ	0x5413
 #define VKI_TIOCSWINSZ	0x5414
+#define VKI_TIOCMGET	0x5415
 #define VKI_TIOCMBIS	0x5416
 #define VKI_TIOCMBIC	0x5417
 #define VKI_TIOCMSET	0x5418
diff --git a/include/vki-ppc32-linux.h b/include/vki-ppc32-linux.h
index 85940d0..647254a 100644
--- a/include/vki-ppc32-linux.h
+++ b/include/vki-ppc32-linux.h
@@ -524,7 +524,7 @@
 #define VKI_TIOCSCTTY		0x540E
 
 //#define VKI_TIOCSTI		0x5412
-//#define VKI_TIOCMGET		0x5415
+#define VKI_TIOCMGET		0x5415
 #define VKI_TIOCMBIS		0x5416
 #define VKI_TIOCMBIC		0x5417
 #define VKI_TIOCMSET		0x5418
diff --git a/include/vki-x86-linux.h b/include/vki-x86-linux.h
index 990c71c..550402a 100644
--- a/include/vki-x86-linux.h
+++ b/include/vki-x86-linux.h
@@ -520,6 +520,7 @@
 #define VKI_TIOCOUTQ	0x5411
 #define VKI_TIOCGWINSZ	0x5413
 #define VKI_TIOCSWINSZ	0x5414
+#define VKI_TIOCMGET	0x5415
 #define VKI_TIOCMBIS	0x5416
 #define VKI_TIOCMBIC	0x5417
 #define VKI_TIOCMSET	0x5418