For Unix, refactor OSSL_sleep() to use nanosleep() instead of usleep()

usleep() is obsolete since POSIX.1-2001 and removed in POSIX.1-2008,
in favor of nanosleep(), which has been presen

For Unix, refactor OSSL_sleep() to use nanosleep() instead of usleep()

usleep() is obsolete since POSIX.1-2001 and removed in POSIX.1-2008,
in favor of nanosleep(), which has been present since POSIX.1-2001.

The exceptions for DJGPP and TANDEM are preserved. Also, just in case
nanosleep() turns out to be unavailable on any Unix machinery that we
are unaware of, we allow a revert to using usleep() by defining
OPENSSL_USE_USLEEP.

Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/24173)

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Copyright year updates

Reviewed-by: Neil Horman <nhorman@openssl.org>
Release: yes
(cherry picked from commit 3764f200f9d44622faa8ac1b15d2f3eb7c39e473)

Reviewed-by: Hugo Lan

Copyright year updates

Reviewed-by: Neil Horman <nhorman@openssl.org>
Release: yes
(cherry picked from commit 3764f200f9d44622faa8ac1b15d2f3eb7c39e473)

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/24034)

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NonStop: Do not call sleep() with a 0 value

This change ensures that sleep(0) is not invoked to cause unexpected
duplicate thread context switches when _REENTRANT is specified.

NonStop: Do not call sleep() with a 0 value

This change ensures that sleep(0) is not invoked to cause unexpected
duplicate thread context switches when _REENTRANT is specified.

Fixes: #24009

Signed-off-by: Randall S. Becker <randall.becker@nexbridge.ca>

Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/24012)

(cherry picked from commit c89fe574493f438dd0e94bb9a89227e4ca84c0b7)

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Correct OSSL_sleep for NonStop PUT model by introducing sleep().

This fix also removes SPT model support as it was previously deprecated.
Upcoming threading models on the platform should

Correct OSSL_sleep for NonStop PUT model by introducing sleep().

This fix also removes SPT model support as it was previously deprecated.
Upcoming threading models on the platform should be supportable without change
to this method.

Fixes: #23923
Fixes: #23927
Fixes: #23928

Signed-off-by: Randall S. Becker <randall.becker@nexbridge.ca>

Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/23926)

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Copyright year updates


Reviewed-by: Richard Levitte <levitte@openssl.org>
Release: yes

OSSL_sleep(): Calling sleep() function if sleepTime > 1sec

On some systems usleep() func does not support time >1sec.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: R

OSSL_sleep(): Calling sleep() function if sleepTime > 1sec

On some systems usleep() func does not support time >1sec.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21010)

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Fix UEFI support on win32

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20714)

sleep.c: Limit the sleep time instead of sleeping for days or even years

As the sleep() call is interruptible, it is not even a good idea to call
it in a loop if the caller uses some rid

sleep.c: Limit the sleep time instead of sleeping for days or even years

As the sleep() call is interruptible, it is not even a good idea to call
it in a loop if the caller uses some ridiculously large value as an
infinity just waiting for an interrupt.

Fixes #20524

Reviewed-by: David von Oheimb <david.von.oheimb@siemens.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
(Merged from https://github.com/openssl/openssl/pull/20533)

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Rename ossl_sleep() to OSSL_sleep() and make it public

ossl_sleep() was implemented as a static inline function in internal/e_os.h,
using usleep() on Unix and Sleep() on Windows. So far

Rename ossl_sleep() to OSSL_sleep() and make it public

ossl_sleep() was implemented as a static inline function in internal/e_os.h,
using usleep() on Unix and Sleep() on Windows. So far well and good.
However, it also has a fallback implementation for systems that do not have
usleep() or Sleep(), and that implementation happens to use ossl_time_now(),
which is a normal function, private to libcrypto, and is judged to be too
complex to sanely make into a static inline function.

This fallback creates a problem, because we do use ossl_sleep() in apps/ and
a few test programs in test/, and when they are linked with libcrypto in
shared library form, ossl_time_now() can't be found, since it's not publicly
exposed.

Something needs to give, and the easiest, and hopefully sanest answer is to
make ossl_sleep() a publicly exposed function, which requires a slight name
change.

Documentation and 'make update' result included.

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/19330)

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