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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-10-15 13:04:23 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-10-15 13:04:23 +0300
commit608f2e77e49f99663221a857f518c568a320a4cc (patch)
tree56bc39b6644673ef3990b4354521e2983d381aef /tools/include/nolibc
parent4a12f38e23d10a5dbad6cce0abaadd10e5a1aa68 (diff)
parent17e9266e1aff69de51dbd554c8dad36c4cfef0bd (diff)
downloadlinux-rolling-stable.tar.xz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/include/nolibc')
-rw-r--r--tools/include/nolibc/nolibc.h1
-rw-r--r--tools/include/nolibc/std.h2
-rw-r--r--tools/include/nolibc/sys.h13
-rw-r--r--tools/include/nolibc/time.h5
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));
}