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selftests: kvm: fix build with glibc >= 2.30 

Glibc-2.30 gained gettid() wrapper, selftests fail to compile:

lib/assert.c:58:14: error: static declaration of ‘gettid’ follows non-static declaration
   58 | static pid_t gettid(void)
      |              ^~~~~~
In file included from /usr/include/unistd.h:1170,
                 from include/test_util.h:18,
                 from lib/assert.c:10:
/usr/include/bits/unistd_ext.h:34:16: note: previous declaration of ‘gettid’ was here
   34 | extern __pid_t gettid (void) __THROW;
      |                ^~~~~~

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Vitaly Kuznetsov 2019-11-13 13:51:15 +01:00 committed by Paolo Bonzini
parent 13fb59276b
commit e37f9f139f
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/kvm/lib/assert.c
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@ -55,7 +55,7 @@ static void test_dump_stack(void)
#pragma GCC diagnostic pop
}
static pid_t gettid(void)
static pid_t _gettid(void)
{
return syscall(SYS_gettid);
}
@ -72,7 +72,7 @@ test_assert(bool exp, const char *exp_str,
fprintf(stderr, "==== Test Assertion Failure ====\n"
" %s:%u: %s\n"
" pid=%d tid=%d - %s\n",
file, line, exp_str, getpid(), gettid(),
file, line, exp_str, getpid(), _gettid(),
strerror(errno));
test_dump_stack();
if (fmt) {