pthreads stress test hangs on read() returning EINTR

Bernhard Reutner-Fischer rep.dot.nop at gmail.com
Wed Oct 15 14:33:08 UTC 2008


On Wed, Oct 15, 2008 at 07:43:47AM -0600, Chase N Douglas wrote:
>
>-----Bernhard Reutner-Fischer <rep.dot.nop at gmail.com> wrote: -----
>>On Mon, Oct 06, 2008 at 04:14:27PM -0400, Chase Douglas wrote:
>>> On Oct 6, 2008, at 6:04 AM, Fathi Boudra wrote:
>>>> Hi,
>>>>
>>>> ping.
>>>>
>>>> Any comments from people who care about thread ?
>>>>
>>>> As a reminder:
>>>>  - http://busybox.net/bugs/view.php?id=4994
>>>>  - http://uclibc.org/lists/uclibc/2008-March/019187.html
>>>>
>>>> It could be nice to take a look before 0.9.30 release.
>>>
>>> Just to be clear, both of these tackle the same issue, but the first
>>> should cover all cases, while the second is specific to malloc-standard
>>> and does not cover the pthreads_atfork mutex.
>>
>>This patch (which went in as r23660) broke
>>- no threads
>>- malloc debug
>
>Do you have any information on how the patch broke these two scenarios?
>Were they compilation errors, or runtime errors? What malloc stack(s)
>broke? I have not been able to reproduce the issues myself, but I have been
>running an older version of uClibc, not 0.9.30-rc2.

This should catch all:

$ egrep "(THREAD|MALLOC)" .config
# HAS_NO_THREADS is not set
# UCLIBC_HAS_THREADS is not set
MALLOC=y
# MALLOC_SIMPLE is not set
# MALLOC_STANDARD is not set
# MALLOC_GLIBC_COMPAT is not set
UCLIBC_MALLOC_DEBUGGING=y


  CC libc/stdlib/malloc/malloc.os
In file included from libc/stdlib/malloc/malloc.c:22:
libc/stdlib/malloc/malloc.h:225: error: expected '=', ',', ';', 'asm' or
'__attribute__' before '__malloc_heap_lock'
libc/stdlib/malloc/malloc.c:30: error: expected '=', ',', ';', 'asm' or
'__attribute__' before '__malloc_heap_lock'
libc/stdlib/malloc/malloc.c:53: error: expected declaration specifiers
or '...' before 'malloc_mutex_t'
libc/stdlib/malloc/malloc.c: In function 'malloc':
libc/stdlib/malloc/malloc.c:196: warning: passing argument 1 of
'__heap_check' from incompatible pointer type
libc/stdlib/malloc/malloc.c:212: error: '__malloc_heap_lock' undeclared
(first use in this function)
libc/stdlib/malloc/malloc.c:212: error: (Each undeclared identifier is
reported only once
libc/stdlib/malloc/malloc.c:212: error: for each function it appears
in.)
libc/stdlib/malloc/malloc.c:212: error: too many arguments to function
'malloc_from_heap'
make: *** [libc/stdlib/malloc/malloc.os] Error 1



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