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28 messages in ru.sysoev.nginxRe: buserror on osx.4| From | Sent On | Attachments |
|---|---|---|
| Franklin Kingma | Dec 17, 2006 12:35 pm | |
| Igor Sysoev | Dec 18, 2006 8:02 am | |
| Franklin Kingma | Dec 18, 2006 8:13 am | |
| Igor Sysoev | Dec 18, 2006 8:28 am | |
| Franklin Kingma | Dec 18, 2006 8:31 am | |
| Igor Sysoev | Dec 18, 2006 9:11 am | |
| Igor Sysoev | Dec 18, 2006 9:20 am | |
| Franklin Kingma | Dec 18, 2006 12:21 pm | |
| Franklin Kingma | Dec 18, 2006 2:03 pm | |
| Igor Sysoev | Dec 18, 2006 2:48 pm |  .txt |
| Franklin Kingma | Dec 18, 2006 2:59 pm | |
| Igor Sysoev | Dec 19, 2006 12:16 am | |
| Franklin Kingma | Dec 19, 2006 12:30 am | |
| Igor Sysoev | Dec 19, 2006 12:37 am | |
| Igor Sysoev | Dec 19, 2006 12:40 am | |
| Franklin Kingma | Dec 19, 2006 12:44 am | |
| Igor Sysoev | Dec 19, 2006 1:01 am | |
| Franklin Kingma | Dec 19, 2006 1:04 am | |
| Igor Sysoev | Dec 19, 2006 2:31 am | |
| Franklin Kingma | Dec 19, 2006 2:40 am | |
| Igor Sysoev | Dec 19, 2006 1:19 pm | |
| Franklin Kingma | Dec 19, 2006 1:33 pm | |
| Igor Sysoev | Dec 20, 2006 11:04 pm | |
| Franklin Kingma | Dec 21, 2006 12:37 am | |
| Igor Sysoev | Dec 21, 2006 12:46 am | |
| Igor Sysoev | Dec 21, 2006 12:58 am | |
| Franklin Kingma | Dec 21, 2006 1:01 am | |
| Delta Yeh | Dec 21, 2006 1:19 am |
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| Subject: | Re: buserror on osx.4 | Actions... |
|---|---|---|
| From: | Franklin Kingma (fran...@public.gmane.org) | |
| Date: | Dec 21, 2006 1:01:31 am | |
| List: | ru.sysoev.nginx | |
On Dec 21, 2006, at 9:59 AM, Igor Sysoev wrote:
On Thu, 21 Dec 2006, Igor Sysoev wrote:
(gdb) disassemble ___compare_and_swap32 Dump of assembler code for function ___compare_and_swap32: 0xffff8080 <___compare_and_swap32+0>: lwarx r7,0,r5 0xffff8084 <___compare_and_swap32+4>: cmplw r7,r3 0xffff8088 <___compare_and_swap32+8>: bne- 0xffff809c <___compare_and_swap32+28> 0xffff808c <___compare_and_swap32+12>: stwcx. r4,0,r5 0xffff8090 <___compare_and_swap32+16>: bne- 0xffff8080 <___compare_and_swap32> 0xffff8094 <___compare_and_swap32+20>: li r3,1 0xffff8098 <___compare_and_swap32+24>: blr 0xffff809c <___compare_and_swap32+28>: li r3,0 0xffff80a0 <___compare_and_swap32+32>: blr 0xffff80a4 <___compare_and_swap32+36>: .long 0x0 0xffff80a8 <___compare_and_swap32+40>: .long 0x0 0xffff80ac <___compare_and_swap32+44>: .long 0x0 0xffff80b0 <___compare_and_swap32+48>: .long 0x0 0xffff80b4 <___compare_and_swap32+52>: .long 0x0 0xffff80b8 <___compare_and_swap32+56>: .long 0x0 0xffff80bc <___compare_and_swap32+60>: .long 0x0 End of assembler dump.
OK, then I will do atomic operation using MacOSX builtin OSAtomicCompareAndSwap32Barrier()
Just to be sure that OSAtomicCompareAndSwap32() does not cycle forever (as it may if lwarx/stwcx pair does not work) on your Mac compile this program:
----------- #include <libkern/OSAtomic.h>
static int32_t test;
int main() { int rc;
rc = OSAtomicCompareAndSwap32(0, 1, &test);
printf("rc: %d, test: %d\n", rc, test); }
-----------
using
cc -o q q.c
and run, it should show:
rc: 1, test: 1
pluks:~ franklin$ cc -o q q.c q.c: In function 'main': q.c:11: warning: incompatible implicit declaration of built-in function 'printf' pluks:~ franklin$ ./q rc: 1, test: 1