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Diffstat (limited to 'sysdeps/unix/sysv/linux/bits/types.h')
-rw-r--r--sysdeps/unix/sysv/linux/bits/types.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/types.h b/sysdeps/unix/sysv/linux/bits/types.h
index daa94336de..dec60e244b 100644
--- a/sysdeps/unix/sysv/linux/bits/types.h
+++ b/sysdeps/unix/sysv/linux/bits/types.h
@@ -67,6 +67,7 @@ typedef int __pid_t;			/* Type of process identifications.  */
 typedef int __ssize_t;			/* Type of a byte count, or error.  */
 typedef long int __rlim_t;		/* Type of resource counts.  */
 typedef __quad_t __rlim64_t;		/* Type of resource counts (LFS).  */
+typedef __u_int __id_t;			/* General type for ID.  */
 
 typedef struct
   {
@@ -90,7 +91,7 @@ typedef unsigned long int __fd_mask;
 /* It's easier to assume 8-bit bytes than to get CHAR_BIT.  */
 #define __NFDBITS	(8 * sizeof (__fd_mask))
 #define	__FDELT(d)	((d) / __NFDBITS)
-#define	__FDMASK(d)	(1 << ((d) % __NFDBITS))
+#define	__FDMASK(d)	((__fd_mask) 1 << ((d) % __NFDBITS))
 
 /* fd_set for select and pselect.  */
 typedef struct