Bug 1556646 Comment 3 Edit History

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Original comment by
on 
The PosixNSPR functions we care about for Wasm:

* PR_GetOpenFileInfo to get the file size.
* PR_CreateFileMap
* PR_MemMap
* PR_MemUnmap
* PR_CloseFileMap

Luke, how do you feel about adding our own version of this in js/src/util/? None of these look that complicated and it lets us avoid the NSPR spaghetti code. I don't know if we can get a native file descriptor out of PRFileDesc though... A simpler alternative may be to move MapFile into Gecko. WDYT?
Revision 1 by
on 
The NSPR functions we care about for Wasm:

* PR_GetOpenFileInfo to get the file size.
* PR_CreateFileMap
* PR_MemMap
* PR_MemUnmap
* PR_CloseFileMap

Luke, how do you feel about adding our own version of this in js/src/util/? None of these look that complicated and it lets us avoid the NSPR spaghetti code. I don't know if we can get a native file descriptor out of PRFileDesc though... A simpler alternative may be to move MapFile into Gecko. WDYT?

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