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Add nocancel version of pread64()

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This is in preparation for changes in the dynamic linker so that
pread() is used instead of lseek()+read().

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Leandro Pereira
2019-10-02 12:42:28 -04:00
committed by Carlos O'Donell
parent 2ac579f9c2
commit fed33b0fb0
6 changed files with 42 additions and 6 deletions
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4
sysdeps/unix/sysv/linux/not-cancel.h
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@ -43,6 +43,9 @@ __typeof (openat64) __openat64_nocancel;
/* Non cancellable read syscall. */
__typeof (__read) __read_nocancel;
/* Non cancellable pread syscall (LFS version). */
__typeof (__pread64) __pread64_nocancel;
/* Uncancelable write. */
__typeof (__write) __write_nocancel;
@ -84,6 +87,7 @@ hidden_proto (__open64_nocancel)
hidden_proto (__openat_nocancel)
hidden_proto (__openat64_nocancel)
hidden_proto (__read_nocancel)
hidden_proto (__pread64_nocancel)
hidden_proto (__write_nocancel)
hidden_proto (__close_nocancel)
hidden_proto (__waitpid_nocancel)