From: Yukihiro Matsumoto <matz@...>
Date: 2009-01-29T14:01:38+09:00
Subject: Re: Errno::ENOMEM reading a device in Ruby, not in Java though

Hi,

In message "Re: Errno::ENOMEM reading a device in Ruby, not in Java though"
    on Thu, 29 Jan 2009 05:27:13 +0900, Roger Pack <rogerpack2005@gmail.com> writes:

|ruby:
|
|open("/dev/st2", O_RDONLY)              = 3
|fstat(3, {st_mode=S_IFCHR|0660, st_rdev=makedev(9, 2), ...}) = 0
|fstat(3, {st_mode=S_IFCHR|0660, st_rdev=makedev(9, 2), ...}) = 0
|ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff5721d900) = -1 EINVAL
|(Invalid argument)
|mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
|= 0x2b5b53902000
|read(3, 0x2b5b53902000, 4096)           = -1 ENOMEM (Cannot allocate
|memory)

Strange.  ENOMEM is not listed among errors that read(2) can raise.

							matz.