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-rw-r--r--include/asm-i386/ioctls.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-i386/ioctls.h b/include/asm-i386/ioctls.h
index ae04e1a55..7930defbe 100644
--- a/include/asm-i386/ioctls.h
+++ b/include/asm-i386/ioctls.h
@@ -46,6 +46,7 @@
#define TIOCTTYGSTRUCT 0x5426 /* For debugging only */
#define TIOCSBRK 0x5427 /* BSD compatibility */
#define TIOCCBRK 0x5428 /* BSD compatibility */
+#define TIOCGSID 0x5429 /* Return the session ID of FD */
#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */
#define FIOCLEX 0x5451