ksh93 (2010-03-01) crashes if I open too many file descriptors:
ksh93 -c 'ulimit -n 60000 ; while redirect {x}< "/etc/profile" ; do
print $x ; done 2>&1' | tail -3
293
294
295
-ksh93: 1759: Memory fault(coredump)
fle...@meridian:~$ pstack core
core 'core' of 1759: ksh93 -c ulimit -n 60000 ; while redirect {x}<
"/etc/profile" ; do pri
ffffffff7d544fb4 sh_close (3, 0, 0, ffffffff7d6a6000,
ffffffff7d6a9498, 18) + d0
ffffffff7d546c64 sh_redirect (ffffffff7d6a8f08, 1001095c0, 3, 2,
ffffffff7d6a6000, 20000) + 1068
ffffffff7d582378 sh_exec (100109540, 0, ffffffffffffffff, 100109840,
0, 0) + 1318
ffffffff7d584d68 sh_exec (0, ffffffff7d6a8f08, ffffffff7d6a8f08, 4,
0, 1001094c0) + 3d08
ffffffff7d583c54 sh_exec (100109780, 5, ffffffff7d6a8f08, 1001097c0,
5, ffffffff7d6a6000) + 2bf4
ffffffff7d5813ac sh_exec (1001097a0, 25, 4, e, 1, 0) + 34c
ffffffff7d55c0f4 exfile (24, 25, 1001097a0, 24, 4, 4) + be8
ffffffff7d55b4f0 sh_main (0, 40000200001, 0, ffffffff7d6a6000,
ffffffff7d6a8f08, ffffffff7d6a6000) + c80
0000000100000d58 main (3, ffffffff7ffffa78, ffffffff7ffffa98, 1f5940,
1c80, 10000) + 44
0000000100000cfc _start (0, 0, 0, 0, 0, 0) + 17c
I would assume that the shell supports at least 1024 open files.
Olga
--
, _ _ ,
{ \/`o;====- Olga Kryzhanovska -====;o`\/ }
.----'-/`-/ [email protected] \-`\-'----.
`'-..-| / Solaris/BSD//C/C++ programmer \ |-..-'`
/\/\ /\/\
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