Re: Questions on threading

[Steven Bade]

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Ken Goldman wrote:
| Referring to http://www.openssl.org/docs/crypto/threads.html
|
| 1
|
| "id_function(void) is a function that returns a thread ID. It is not
| needed on Windows nor on platforms where getpid() returns a different
| ID for each thread (most notably Linux)."
|
| Is this correct?  On my Linux system, getpid() returns the same pid
| for each thread.
|
Correct posix behavior is to return the same pid ... the old linux
threading did not return the same PID... that was fixed a while back..

| 2
|
| "You can find out if OpenSSL was configured with thread support:
|
|  #define OPENSSL_THREAD_DEFINES
|  #include <openssl/opensslconf.h>
|  #if defined(THREADS)
| "
|
| Is this correct?  I compiled for threads (seemed to be the default)
| and I saw -DOPENSSL_THREADS.  When I try the test, THREADS is not
| defined but OPENSSL_THREADS is.
|

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[Dan Trainor-3]

Steven Bade wrote:

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> Hash: SHA1
>
> Ken Goldman wrote:
> | Referring to http://www.openssl.org/docs/crypto/threads.html
> |
> | 1
> |
> | "id_function(void) is a function that returns a thread ID. It is not
> | needed on Windows nor on platforms where getpid() returns a different
> | ID for each thread (most notably Linux)."
> |
> | Is this correct?  On my Linux system, getpid() returns the same pid
> | for each thread.
> |
> Correct posix behavior is to return the same pid ... the old linux
> threading did not return the same PID... that was fixed a while back..
>
> | 2
> |
> | "You can find out if OpenSSL was configured with thread support:
> |
> |  #define OPENSSL_THREAD_DEFINES
> |  #include <openssl/opensslconf.h>
> |  #if defined(THREADS)
> | "
> |
> | Is this correct?  I compiled for threads (seemed to be the default)
> | and I saw -DOPENSSL_THREADS.  When I try the test, THREADS is not
> | defined but OPENSSL_THREADS is.
> |
>

Ken -

We've observed the same thing, even a re-compilation of OpenSSL with a
'threads' argument at configure-time.

Have you found any more answers to this?

Thanks!
-dant
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