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curl_global_init.3: Add Windows-specific info for init via DLL

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- Add to both curl_global_init.3 and libcurl.3 the caveat for Windows
that initializing libcurl via a DLL's DllMain or static initializer
could cause a deadlock.

Bug: https://github.com/bagder/curl/issues/586
Reported-by: marc-groundctl@users.noreply.github.com
This commit is contained in:
Jay Satiro
2016-01-04 17:44:39 -05:00
parent b82359643d
commit 19ca40100b
2 changed files with 7 additions and 0 deletions
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4
docs/libcurl/curl_global_init.3
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@@ -50,6 +50,10 @@ This doesn't just mean no other thread that is using libcurl. Because
similarly thread unsafe, it could conflict with any other thread that uses
these other libraries.
If you are initializing libcurl from a Windows DLL you should not initialize it
from DllMain or a static initializer because Windows holds the loader lock
during that time and it could cause a deadlock.
See the description in \fBlibcurl(3)\fP of global environment requirements for
details of how to use this function.