4 files changed, 18 insertions, 3 deletions
diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h
index c199ade200c2..d2f5aa085f8e 100644
--- a/tools/include/nolibc/nolibc.h
+++ b/tools/include/nolibc/nolibc.h
@@ -116,6 +116,7 @@
 #include "sched.h"
 #include "signal.h"
 #include "unistd.h"
+#include "stdbool.h"
 #include "stdio.h"
 #include "stdlib.h"
 #include "string.h"
diff --git a/tools/include/nolibc/std.h b/tools/include/nolibc/std.h
index ba950f0e7338..2c1ad23b9b5c 100644
--- a/tools/include/nolibc/std.h
+++ b/tools/include/nolibc/std.h
@@ -29,6 +29,6 @@ typedef unsigned long       nlink_t;
 typedef   signed long         off_t;
 typedef   signed long     blksize_t;
 typedef   signed long      blkcnt_t;
-typedef __kernel_old_time_t  time_t;
+typedef __kernel_time_t      time_t;
 
 #endif /* _NOLIBC_STD_H */
diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index 295e71d34aba..90aadad31f6c 100644
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -238,6 +238,19 @@ static __attribute__((unused))
 int sys_dup2(int old, int new)
 {
 #if defined(__NR_dup3)
+	int ret, nr_fcntl;
+
+#ifdef __NR_fcntl64
+	nr_fcntl = __NR_fcntl64;
+#else
+	nr_fcntl = __NR_fcntl;
+#endif
+
+	if (old == new) {
+		ret = my_syscall2(nr_fcntl, old, F_GETFD);
+		return ret < 0 ? ret : old;
+	}
+
 	return my_syscall3(__NR_dup3, old, new, 0);
 #elif defined(__NR_dup2)
 	return my_syscall2(__NR_dup2, old, new);
diff --git a/tools/include/nolibc/time.h b/tools/include/nolibc/time.h
index d02bc44d2643..e9c1b976791a 100644
--- a/tools/include/nolibc/time.h
+++ b/tools/include/nolibc/time.h
@@ -133,7 +133,8 @@ static __attribute__((unused))
 int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *rqtp,
 		    struct timespec *rmtp)
 {
-	return __sysret(sys_clock_nanosleep(clockid, flags, rqtp, rmtp));
+	/* Directly return a positive error number */
+	return -sys_clock_nanosleep(clockid, flags, rqtp, rmtp);
 }
 
 static __inline__
@@ -145,7 +146,7 @@ double difftime(time_t time1, time_t time2)
 static __inline__
 int nanosleep(const struct timespec *rqtp, struct timespec *rmtp)
 {
-	return clock_nanosleep(CLOCK_REALTIME, 0, rqtp, rmtp);
+	return __sysret(sys_clock_nanosleep(CLOCK_REALTIME, 0, rqtp, rmtp));
 }