Package: kfreebsd-image-8.1-1-amd64
Version: 8.1+dfsg-8
Severity: serious
Hi,
Test case:
<---------
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
int retval;
int pid;
void * thread_get_retval(void *arg) {
if (waitpid(pid, &retval, 0) == -1) {
perror("waitpid");
exit(1);
}
printf("hello\n");
return(0);
}
int main() {
pthread_t tid;
if ((pid = fork()) == 0) {
return 42;
}
printf("PID: %d\n", pid);
if (pthread_create(&tid, NULL, thread_get_retval, NULL)) {
perror("pthread_create");
exit(1);
}
printf("Retval: %d\n", WEXITSTATUS(retval));
return 0;
}
--------->
As you can see, the main thread delegates the waitpid call to a sub-thread. But
both
threads are still part of the same process, so waitpid should not fail.
However:
Debian GNU/Linux:
PID: 27610
hello
Retval: 42
FreeBSD:
PID: 1172
hello
Retval: 42
Debian GNU/kFreeBSD:
./debian-kfreebsd-amd64:~# ./forkthread
PID: 719
waitpid: No child processes
This breaks the ruby1.9.1 test suite.
- Lucas
-- System Information:
Debian Release: 6.0.2
APT prefers stable
APT policy: (500, 'stable')
Architecture: kfreebsd-amd64 (x86_64)
Kernel: kFreeBSD 8.1-1-amd64
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/bash
Versions of packages kfreebsd-image-8.1-1-amd64 depends on:
ii freebsd-utils 8.1-4+b1 FreeBSD utilities needed for GNU/k
ii kldutils 8.1-4+b1 tools for managing kFreeBSD module
kfreebsd-image-8.1-1-amd64 recommends no packages.
kfreebsd-image-8.1-1-amd64 suggests no packages.
-- no debconf information
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