[Log4cplus-devel] [ log4cplus-Bugs-3568882 ] Unnamed semaphores are not supported on Mac OS X

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Bugs item #3568882, was opened at 2012-09-18 04:46
Message generated for change (Comment added) made by wilx
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Category: Appender
Group: v1.1.x
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Christian Rüegg (rueegg)
Assigned to: Václav Zeman (wilx)
Summary: Unnamed semaphores are not supported on Mac OS X

Initial Comment:
use named semaphores.

See:
http://stackoverflow.com/questions/1413785/sem-init-on-os-x

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>Comment By: Václav Zeman (wilx)
Date: 2012-09-18 06:21

Message:
It seems that I could just use named semaphores on MacOS X instead. I do
not want to use OS specific headers if I can avoid it. I'll see what I can
do later today.

Could you please give me the output of "echo | g++ -dD -E -" (or similar)
command?

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Comment By: Christian Rüegg (rueegg)
Date: 2012-09-18 05:14

Message:
Taken from 
http://www.opensource.apple.com/source/freeradius/freeradius-36/freeradius/src/main/threads.c

Please add surrounding ifdefs

    #include <mach/mach.h>
    #include <mach/task.h>
    #include <mach/semaphore.h>

    #undef sem_t
    #define sem_t semaphore_t
    #undef sem_init
    #define sem_init(s,p,c)
semaphore_create(mach_task_self(),s,SYNC_POLICY_FIFO,c)
    #undef sem_wait
    #define sem_wait(s) semaphore_wait(*s)
    #undef sem_post
    #define sem_post(s) semaphore_signal(*s)
    #undef sem_destroy
    #define sem_destroy(s) semaphore_destroy(mach_task_self(),*s)


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