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After a clone system call there are two threads of control running so we

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need to make sure the child exits or we will get two copies of the output
from each test which follows. Also some older systems do not define the
CLONE_PARENT_SETTID flag.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3007
This commit is contained in:
Tom Hughes 2004-11-15 15:35:49 +00:00
parent a01f2960be
commit de135bbb7f
1 changed files with 7 additions and 1 deletions
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8
memcheck/tests/scalar.c
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@ -507,9 +507,15 @@ int main(void)
// __NR_clone 120
#include <sched.h>
#include <signal.h>
#ifndef CLONE_PARENT_SETTID
#define CLONE_PARENT_SETTID 0x00100000
#endif
// XXX: should really be "4s 2m"? Not sure... (see PRE(sys_clone))
GO(__NR_clone, "4s 0m");
SY(__NR_clone, x0|CLONE_PARENT_SETTID|SIGCHLD, x0, x0, x0);
if (SY(__NR_clone, x0|CLONE_PARENT_SETTID|SIGCHLD, x0, x0, x0) == 0)
{
SY(__NR_exit, 0);
}
// __NR_setdomainname 121
GO(__NR_setdomainname, "n/a");