True, but it does say that -lrt will work for semaphores, but now it
doesn't.
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https://bugs.launchpad.net/bugs/874418
Title:
linking against librt doesn't provide sem_post
To manage no
Note that while the example I gave had the -lrt before the object, the
same problem occurs if it is included at the end.
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https://bugs.launchpad.net/bugs/874418
Title:
linking against l
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https://bugs.launchpad.net/bugs/874418
Title:
linking against librt doesn't provide sem_post
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/egl
Public bug reported:
We have software that uses semaphores but not pthreads. Therefore, our
code links against librt, as documented in the sem_post man page. This
worked fine in 10.04 and 11.04, but not in 11.10.
> cat a.c
#include
int main()
{
sem_t *mysem;
int ret;
ret = sem_post
If this is going to be the case going forward, then the sem_* man pages
should be updated to indicate that -lrt is no longer sufficient to use
semaphores. I don't have a problem with the change since LSB says to use
libpthread, anyway, but if the behavior is going to change then the
documentation t
The sem_* man pages need to be updated to reflect a "blessed" way of
linking in semaphore code now that -lrt doesn't work.
** Package changed: eglibc (Ubuntu) => manpages (Ubuntu)
** Changed in: manpages (Ubuntu)
Status: Invalid => New
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