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🐛 fix bus error on smaller readonly file in unix #44354

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merged 10 commits into from
Aug 21, 2023
Merged

🐛 fix bus error on smaller readonly file in unix #44354

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c9e56d4
🐛 fix bus error on smaller readonly file in unix
xgdgsc Feb 26, 2022
10588f3
Update stdlib/Mmap/src/Mmap.jl
xgdgsc Feb 26, 2022
de9c375
Update stdlib/Mmap/src/Mmap.jl
xgdgsc Mar 1, 2022
b8bb51b
logic cleanup
xgdgsc Mar 1, 2022
b7829c9
Apply suggestions from code review
vtjnash Nov 8, 2022
015812f
🐛 try fix ci fail
xgdgsc Jan 12, 2023
bc0cdaa
Update stdlib/Mmap/src/Mmap.jl
xgdgsc Jan 13, 2023
8b02ca4
try skip for 🍎
xgdgsc Jul 15, 2023
67bab23
try keep old behaviror for 🍎
xgdgsc Jul 15, 2023
fe71de3
Merge branch 'master' into xgdgsc-patch-1
xgdgsc Aug 3, 2023
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try keep old behaviror for 🍎
  • Loading branch information
@xgdgsc @vtjnash
xgdgsc authored and vtjnash committed Jul 18, 2023
commit 67bab23ec15fde7d395404c8189891c3b8a1fe88
9 changes: 7 additions & 2 deletions stdlib/Mmap/src/Mmap.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -210,8 +210,10 @@ function mmap(io::IO,
file_desc = gethandle(io)
szfile = convert(Csize_t, len + offset)
requestedSizeLarger = false
if !(io isa Mmap.Anonymous || Sys.isapple())
requestedSizeLarger = szfile > filesize(io)
if !(io isa Mmap.Anonymous)
@static if !Sys.isapple()
requestedSizeLarger = szfile > filesize(io)
end
end
# platform-specific mmapping
@static if Sys.isunix()
Expand All @@ -227,6 +229,9 @@ function mmap(io::IO,
throw(ArgumentError("unable to increase file size to $szfile due to read-only permissions"))
end
end
@static if Sys.isapple()
iswrite && grow && grow!(io, offset, len)
end
# mmap the file
ptr = ccall(:jl_mmap, Ptr{Cvoid}, (Ptr{Cvoid}, Csize_t, Cint, Cint, RawFD, Int64),
C_NULL, mmaplen, prot, flags, file_desc, offset_page)
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