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Mention that the recent fix to the gspawn helper process

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synchronization on Windows fixes #510664.
  

svn path=/trunk/; revision=6577
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Tor Lillqvist 2008-02-24 22:53:52 +00:00
parent 96c7abe76a
commit 81419b53de
1 changed files with 9 additions and 7 deletions
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@ -7,13 +7,15 @@
* glib/gspawn-win32.c * glib/gspawn-win32.c
* glib/gspawn-win32-helper.c: Fix race condition when using the * glib/gspawn-win32-helper.c: Fix race condition when using the
helper process: When the helper process writes the handle of the helper process. This seems to fix #510664.
actual started user process to the parent process, it must be
duplicated in the parent process with DuplicateHandle() so that it When the helper process writes the handle of the actual started
is a valid handle in that process. However, if the helper process user process to the parent process, it must be duplicated in the
has happened to exit before the DuplicateHandle() call, the parent process with DuplicateHandle() so that it is a valid handle
duplication will fail. Thus we must synchronise the helper in that process. However, if the helper process has happened to
process's exit. Use another pipe for this. exit before the DuplicateHandle() call, the duplication will
fail. Thus we must synchronise the helper process's exit. Use
another pipe for this.
Take care not to inherit the writing end of this pipe to the Take care not to inherit the writing end of this pipe to the
helper process. Also, in the helper process, take care not to helper process. Also, in the helper process, take care not to