diff --git a/headers/posix/sys/select.h b/headers/posix/sys/select.h
index c3208e2a35..8954bfd47d 100644
--- a/headers/posix/sys/select.h
+++ b/headers/posix/sys/select.h
@@ -4,7 +4,9 @@
 ** Distributed under the terms of the OpenBeOS License.
 */
 
+
 #include <sys/time.h>
+#include <signal.h>
 
 
 /* If FD_SET is already defined, only the select() prototype is
@@ -19,24 +21,16 @@
 #	define FD_SETSIZE 1024
 #endif
 
-/* Compatibily only: use FD_SETSIZE instead */
-#ifndef FDSETSIZE
-#	define FDSETSIZE FD_SETSIZE
-#endif
-
-/* compatibility with BSD */
-#define NBBY	8	/* number of bits in a byte */
-
 typedef unsigned long fd_mask;
 
-#ifndef howmany
-#	define howmany(x, y) (((x) + ((y) - 1)) / (y))
+#ifndef _howmany
+#	define _howmany(x, y) (((x) + ((y) - 1)) / (y))
 #endif
 
-#define NFDBITS (sizeof(fd_mask) * NBBY)
+#define NFDBITS (sizeof(fd_mask) * 8)	/* bits per mask */
 
 typedef struct fd_set {
-	fd_mask bits[howmany(FD_SETSIZE, NFDBITS)];
+	fd_mask bits[_howmany(FD_SETSIZE, NFDBITS)];
 } fd_set;
 
 #define _FD_BITSINDEX(fd) ((fd) / NFDBITS)
@@ -49,11 +43,17 @@ typedef struct fd_set {
 
 #endif	/* FD_SET */
 
-extern
 #ifdef __cplusplus
-"C"
+extern "C" {
+#endif
+
+extern int pselect(int nbits, struct fd_set *rbits, struct fd_set *wbits, struct fd_set *ebits,
+			const struct timespec *timeout, const sigset_t *sigMask);
+extern int select(int nbits, struct fd_set *rbits, struct fd_set *wbits, 
+			struct fd_set *ebits, struct timeval *timeout);
+
+#ifdef __cplusplus
+}
 #endif
-int select(int nbits, struct fd_set *rbits, struct fd_set *wbits, 
-		struct fd_set *ebits, struct timeval *timeout);
 
 #endif	/* _SYS_SELECT_H */
diff --git a/headers/posix/sys/time.h b/headers/posix/sys/time.h
new file mode 100644
index 0000000000..4f6f69c7da
--- /dev/null
+++ b/headers/posix/sys/time.h
@@ -0,0 +1,52 @@
+#ifndef _SYS_TIME_H
+#define _SYS_TIME_H
+/* 
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
+#include <sys/types.h>
+
+
+struct timeval {
+	time_t		tv_sec;
+	suseconds_t	tv_usec;
+};
+
+#include <sys/select.h>
+	/* circular dependency: fd_set needs to be defined and the
+	 * select prototype exported by this file, but <sys/select.h>
+	 * needs struct timeval.
+	 */
+
+struct timezone {
+	int tz_minuteswest;
+	int tz_dsttime;
+};
+
+struct itimerval {
+	struct timeval it_interval;
+	struct timeval it_value;
+};
+
+#define ITIMER_REAL		1	/* real time */
+#define ITIMER_VIRTUAL	2	/* process virtual time */
+#define ITIMER_PROF		3	/* both */
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int	getitimer(int which, struct itimerval *value);
+extern int	setitimer(int which, const struct itimerval *value, struct itimerval *oldValue);
+extern int	gettimeofday(struct timeval *tv, struct timezone *tz);
+
+extern int	utimes(const char *name, const struct timeval times[2]);
+	/* legacy */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _SYS_TIME_H */