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Red Hat Bugzilla – Attachment 295347 Details for
Bug 433543
simple program compiled with gcc -O2 -pthread segfaults on exit
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short multithreaded C program
x.c (text/x-csrc), 656 bytes, created by
Joe Korty
on 2008-02-19 22:04:50 UTC
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Description:
short multithreaded C program
Filename:
MIME Type:
Creator:
Joe Korty
Created:
2008-02-19 22:04:50 UTC
Size:
656 bytes
patch
obsolete
>/* > * The following program segfaults on exit (return 0) when compiled > * on x86_64 RHEL 5.1 (with yum updates) with -O2. > * > * gcc -O2 -pthread x.c && ./a.out > * Exiting... > * Segmentation fault > * > * This program passes: 1) when compiled for i386, or 2) when compiled > * with -O1, or 3) when the 'return 0' statement is replaced with an > * 'exit(0)'. > */ >#define _XOPEN_SOURCE 600 > >#include <stdio.h> >#include <pthread.h> > >void *t1_func(void *arg) >{ > return NULL; >} > >int main(void) >{ > pthread_t thread1; > int th_ret; > > pthread_create(&thread1, NULL, t1_func, NULL); > pthread_join(thread1, (void*)&th_ret); > printf("Exiting...\n"); > return 0; >}
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bug 433543
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