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* Re: libstdc++/2932: new operator segfaults for arrays using pthreads on hpux
@ 2001-06-26 17:15 bkoz
0 siblings, 0 replies; 3+ messages in thread
From: bkoz @ 2001-06-26 17:15 UTC (permalink / raw)
To: gcc-bugs, gcc-prs, nobody, rob.renfrew
Synopsis: new operator segfaults for arrays using pthreads on hpux
State-Changed-From-To: feedback->closed
State-Changed-By: bkoz
State-Changed-When: Tue Jun 26 17:15:44 2001
State-Changed-Why:
Deprecated library.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=2932&database=gcc
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: libstdc++/2932: new operator segfaults for arrays using pthreads on hpux
@ 2001-06-13 10:04 bkoz
0 siblings, 0 replies; 3+ messages in thread
From: bkoz @ 2001-06-13 10:04 UTC (permalink / raw)
To: gcc-bugs, gcc-prs, nobody, rob.renfrew
Synopsis: new operator segfaults for arrays using pthreads on hpux
State-Changed-From-To: suspended->feedback
State-Changed-By: bkoz
State-Changed-When: Wed Jun 13 10:04:12 2001
State-Changed-Why:
This bug tracking system is for libstdc++-v3. Please trill try this again with the gcc-3 release, and see if you still have the same bug.
thanks
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=2932&database=gcc
^ permalink raw reply [flat|nested] 3+ messages in thread
* libstdc++/2932: new operator segfaults for arrays using pthreads on hpux
@ 2001-05-24 16:56 rob.renfrew
0 siblings, 0 replies; 3+ messages in thread
From: rob.renfrew @ 2001-05-24 16:56 UTC (permalink / raw)
To: gcc-gnats
>Number: 2932
>Category: libstdc++
>Synopsis: new operator segfaults for arrays using pthreads on hpux
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Thu May 24 16:56:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: rob.renfrew@epiphany.com
>Release: gcc version 2.95.2 19991024 (release)
>Organization:
>Environment:
HP-UX 11
>Description:
spawning many threads which each allocate new arrays will cause a segmentation fault on HPUX11. error does not occur using new to allocate non-arrays, or with malloc().
>How-To-Repeat:
build as:
gcc -o RTT RTT.cpp -lpthread
run ./RTT
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: text/plain; name="RTT.cpp"
Content-Disposition: inline; filename="RTT.cpp"
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#define NUM_THREADS 100
#define NUM_LOOPS 100
#define RT_SIZE 100
//typedef unsigned short Rtype;
typedef char Rtype;
void* memory_test(void *arg) {
for (int i = 0; i < NUM_LOOPS; i++) {
Rtype* rt = new Rtype[RT_SIZE];
delete rt;
}
}
int main(int argc, char **argv) {
int status;
pthread_t *threads;
threads = new pthread_t[NUM_THREADS];
for (int i = 0; i < NUM_THREADS; i++) {
status = pthread_create(&(threads[i]), NULL, memory_test, NULL);
if (status != 0) {
fprintf(stderr, "failed: pthread_create: %d\n", i);
exit(-1);
}
}
void *trash;
for (int i = 0; i < NUM_THREADS; i++) {
status = pthread_join(threads[i], &trash);
if (status != 0) {
fprintf(stderr, "failed: pthread_join: %d\n", i);
exit(-1);
}
}
return 0;
}
^ permalink raw reply [flat|nested] 3+ messages in thread
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2001-06-26 17:15 libstdc++/2932: new operator segfaults for arrays using pthreads on hpux bkoz
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2001-06-13 10:04 bkoz
2001-05-24 16:56 rob.renfrew
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