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| author |   Deepa Dinamani <deepa.kernel@gmail.com> | 2018-09-19 21:41:07 -0700 |
|---|---|---|
| committer |   Arnd Bergmann <arnd@arndb.de> | 2018-12-06 17:23:18 +0100 |
| commit | e024707bccae15abd493265ea0b72f46a4920727 (patch) | |
| tree | 2218eb3b1ee57654a7a426aa82333ed4753ba072 /include/linux/compat.h | |
| parent | ppoll: use __kernel_timespec (diff) | |
| download | linux-dev-e024707bccae15abd493265ea0b72f46a4920727.tar.xz linux-dev-e024707bccae15abd493265ea0b72f46a4920727.zip | |
pselect6: use __kernel_timespec
struct timespec is not y2038 safe.
struct __kernel_timespec is the new y2038 safe structure for all
syscalls that are using struct timespec.
Update pselect interfaces to use struct __kernel_timespec.
sigset_t also has different representations on 32 bit and 64 bit
architectures. Hence, we need to support the following different
syscalls:
New y2038 safe syscalls:
(Controlled by CONFIG_64BIT_TIME for 32 bit ABIs)
Native 64 bit(unchanged) and native 32 bit : sys_pselect6
Compat : compat_sys_pselect6_time64
Older y2038 unsafe syscalls:
(Controlled by CONFIG_32BIT_COMPAT_TIME for 32 bit ABIs)
Native 32 bit : pselect6_time32
Compat : compat_sys_pselect6
Note that all other versions of select syscalls will not have
y2038 safe versions.
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'include/linux/compat.h')
| -rw-r--r-- | include/linux/compat.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h index f309a524a4b7..5776733b763f 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -647,6 +647,11 @@ asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, compat_ulong_t __user *exp, struct old_timespec32 __user *tsp, void __user *sig); +asmlinkage long compat_sys_pselect6_time64(int n, compat_ulong_t __user *inp, + compat_ulong_t __user *outp, + compat_ulong_t __user *exp, + struct __kernel_timespec __user *tsp, + void __user *sig); asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, unsigned int nfds, struct old_timespec32 __user *tsp, |