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  • Committer: Bazaar Package Importer
  • Author(s): Monty Taylor
  • Date: 2010-10-02 14:17:48 UTC
  • mfrom: (1.1.1 upstream)
  • mto: (2.1.17 sid)
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20101002141748-m6vbfbfjhrw1153e
Tags: 2010.09.1802-1
* New upstream release.
* Removed pid-file argument hack.
* Updated GPL-2 address to be new address.
* Directly copy in drizzledump.1 since debian doesn't have sphinx 1.0 yet.
* Link to jquery from libjs-jquery. Add it as a depend.
* Add drizzled.8 symlink to the install files.

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Lines of Context:
plugin/myisam/mi_dynrec.cc
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size_t mi_mmap_pread(MI_INFO *info, unsigned char *Buffer,
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                    size_t Count, internal::my_off_t offset, myf MyFlags)
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{
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  if (info->s->concurrent_insert)
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    pthread_rwlock_rdlock(&info->s->mmap_lock);
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  /*
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    The following test may fail in the following cases:
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    - We failed to remap a memory area (fragmented memory?)
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  if (info->s->mmaped_length >= offset + Count)
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  {
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    memcpy(Buffer, info->s->file_map + offset, Count);
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    if (info->s->concurrent_insert)
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      pthread_rwlock_unlock(&info->s->mmap_lock);
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    return 0;
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  }
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  else
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  {
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    if (info->s->concurrent_insert)
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      pthread_rwlock_unlock(&info->s->mmap_lock);
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    return my_pread(info->dfile, Buffer, Count, offset, MyFlags);
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  }
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}
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size_t mi_mmap_pwrite(MI_INFO *info, const unsigned char *Buffer,
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                      size_t Count, internal::my_off_t offset, myf MyFlags)
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{
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  if (info->s->concurrent_insert)
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    pthread_rwlock_rdlock(&info->s->mmap_lock);
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  /*
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    The following test may fail in the following cases:
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  if (info->s->mmaped_length >= offset + Count)
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  {
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    memcpy(info->s->file_map + offset, Buffer, Count);
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    if (info->s->concurrent_insert)
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      pthread_rwlock_unlock(&info->s->mmap_lock);
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    return 0;
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  }
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  else
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  {
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    info->s->nonmmaped_inserts++;
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    if (info->s->concurrent_insert)
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      pthread_rwlock_unlock(&info->s->mmap_lock);
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    return my_pwrite(info->dfile, Buffer, Count, offset, MyFlags);
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  }
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