[glibc] y2038: Define __suseconds64_t type to be used with struct __timeval64

Lukasz Majewski lukma@sourceware.org
Fri Feb 7 16:56:00 GMT 2020


https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3fced064f23562ec24f8312ffbc14950993969e6

commit 3fced064f23562ec24f8312ffbc14950993969e6
Author: Lukasz Majewski <lukma@denx.de>
Date:   Sat Jan 25 22:33:41 2020 +0100

    y2038: Define __suseconds64_t type to be used with struct __timeval64
    
    The __suseconds64_t type is supposed to be the 64 bit type across all
    architectures.
    
    It would be mostly used internally in the glibc - however, when passed to
    Linux kernel (very unlikely), if necessary, it shall be converted to 32
    bit type (i.e. __suseconds_t)
    
    Build tests:
    ./src/scripts/build-many-glibcs.py glibcs
    
    Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
    Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>

Diff:
---
 bits/typesizes.h                                 | 1 +
 posix/bits/types.h                               | 1 +
 sysdeps/mach/hurd/bits/typesizes.h               | 1 +
 sysdeps/unix/sysv/linux/alpha/bits/typesizes.h   | 1 +
 sysdeps/unix/sysv/linux/generic/bits/typesizes.h | 1 +
 sysdeps/unix/sysv/linux/s390/bits/typesizes.h    | 1 +
 sysdeps/unix/sysv/linux/sparc/bits/typesizes.h   | 1 +
 sysdeps/unix/sysv/linux/x86/bits/typesizes.h     | 1 +
 8 files changed, 8 insertions(+)

diff --git a/bits/typesizes.h b/bits/typesizes.h
index 014c9aa..5994089 100644
--- a/bits/typesizes.h
+++ b/bits/typesizes.h
@@ -50,6 +50,7 @@
 #define __TIME_T_TYPE		__SLONGWORD_TYPE
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__SLONGWORD_TYPE
+#define __SUSECONDS64_T_TYPE	__SQUAD_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
diff --git a/posix/bits/types.h b/posix/bits/types.h
index adba926..a26cd38 100644
--- a/posix/bits/types.h
+++ b/posix/bits/types.h
@@ -160,6 +160,7 @@ __STD_TYPE __ID_T_TYPE __id_t;		/* General type for IDs.  */
 __STD_TYPE __TIME_T_TYPE __time_t;	/* Seconds since the Epoch.  */
 __STD_TYPE __USECONDS_T_TYPE __useconds_t; /* Count of microseconds.  */
 __STD_TYPE __SUSECONDS_T_TYPE __suseconds_t; /* Signed count of microseconds.  */
+__STD_TYPE __SUSECONDS64_T_TYPE __suseconds64_t;
 
 __STD_TYPE __DADDR_T_TYPE __daddr_t;	/* The type of a disk address.  */
 __STD_TYPE __KEY_T_TYPE __key_t;	/* Type of an IPC key.  */
diff --git a/sysdeps/mach/hurd/bits/typesizes.h b/sysdeps/mach/hurd/bits/typesizes.h
index b429379..10f3ac2 100644
--- a/sysdeps/mach/hurd/bits/typesizes.h
+++ b/sysdeps/mach/hurd/bits/typesizes.h
@@ -50,6 +50,7 @@
 #define __TIME_T_TYPE		__SLONGWORD_TYPE
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__SLONGWORD_TYPE
+#define __SUSECONDS64_T_TYPE	__SQUAD_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h b/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
index 30356ba..28ee3e5 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
@@ -49,6 +49,7 @@
 #define __TIME_T_TYPE		__SLONGWORD_TYPE
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__S64_TYPE
+#define __SUSECONDS64_T_TYPE	__S64_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
diff --git a/sysdeps/unix/sysv/linux/generic/bits/typesizes.h b/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
index a916dea..7c963e5 100644
--- a/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
+++ b/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
@@ -51,6 +51,7 @@
 #define __TIME_T_TYPE		__SLONGWORD_TYPE
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__SLONGWORD_TYPE
+#define __SUSECONDS64_T_TYPE	__SQUAD_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
diff --git a/sysdeps/unix/sysv/linux/s390/bits/typesizes.h b/sysdeps/unix/sysv/linux/s390/bits/typesizes.h
index 45f7018..e775e46 100644
--- a/sysdeps/unix/sysv/linux/s390/bits/typesizes.h
+++ b/sysdeps/unix/sysv/linux/s390/bits/typesizes.h
@@ -50,6 +50,7 @@
 #define __TIME_T_TYPE		__SLONGWORD_TYPE
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__SLONGWORD_TYPE
+#define __SUSECONDS64_T_TYPE	__SQUAD_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h b/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h
index 1f3bbc8..ac48c23 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h
@@ -50,6 +50,7 @@
 #define __TIME_T_TYPE		__SLONGWORD_TYPE
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__S32_TYPE
+#define __SUSECONDS64_T_TYPE	__SQUAD_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
diff --git a/sysdeps/unix/sysv/linux/x86/bits/typesizes.h b/sysdeps/unix/sysv/linux/x86/bits/typesizes.h
index d084145..87c50a4 100644
--- a/sysdeps/unix/sysv/linux/x86/bits/typesizes.h
+++ b/sysdeps/unix/sysv/linux/x86/bits/typesizes.h
@@ -64,6 +64,7 @@
 #define __TIME_T_TYPE		__SYSCALL_SLONG_TYPE
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__SYSCALL_SLONG_TYPE
+#define __SUSECONDS64_T_TYPE	__SQUAD_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE



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