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Added check routines from Stuart Lynne

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This commit is contained in:
Kurt Zeilenga 1998-08-30 18:55:54 +00:00
parent 3d6c77cbc7
commit cb587e9bf0
1 changed files with 28 additions and 0 deletions
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28
libraries/liblthread/rdwr.c
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@ -81,3 +81,31 @@ int pthread_rdwr_wunlock_np(pthread_rdwr_t *rdwrp)
return 0;
}
}
#ifdef LDAP_DEBUG
/* just for testing,
* return 0 if false, suitable for assert(pthread_rdwr_Xchk(rdwr))
*
* Currently they don't check if the calling thread is the one
* that has the lock, just that there is a reader or writer.
*
* Basically sufficent for testing that places that should have
* a lock are caught.
*/
int pthread_rdwr_rchk_np(pthread_rdwr_t *rdwrp)
{
return(rdwrp->readers_reading!=0);
}
int pthread_rdwr_wchk_np(pthread_rdwr_t *rdwrp)
{
return(rdwrp->writer_writing!=0);
}
int pthread_rdwr_rwchk_np(pthread_rdwr_t *rdwrp)
{
return(pthread_rdwr_rchk_np(rdwrp) || pthread_rdwr_wchk_np(rdwrp));
}
#endif LDAP_DEBUG