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Red Hat Bugzilla – Attachment 851032 Details for
Bug 110212
Gdb fails with "Couldn't get registers" debugging multi-threaded app
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testcase
cant-save-core.c (text/plain), 603 bytes, created by
Paweł Sikora
on 2014-01-16 12:27:10 UTC
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Description:
testcase
Filename:
MIME Type:
Creator:
Paweł Sikora
Created:
2014-01-16 12:27:10 UTC
Size:
603 bytes
patch
obsolete
>#include <pthread.h> >#include <sched.h> >#include <stdio.h> >#include <time.h> > >void* th0( void* args ) >{ > int N = 10000000, i; > for ( i = 0; i < N; i++ ) > { > sched_yield(); > } > return NULL; >} > >void* th1( void* args ) >{ > int N = 10000000, i; > for ( i = 0; i < N; i++ ) > { > clock(); > sched_yield(); > clock(); > if ( i > N/2 ) > { > printf( "bug\n" ); > __builtin_abort(); > } > } > return NULL; >} > >int main( int argc, char** argv ) >{ > pthread_t t0, t1; > pthread_create( &t0, NULL, th0, NULL ); > pthread_create( &t1, NULL, th1, NULL ); > pthread_join( t0, NULL ); > pthread_join( t1, NULL ); > return 0; >}
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bug 110212
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