pdwait4_
int waitrc = pdwait4_(pd, &status, 0, &ru);
EXPECT_EQ(-1, pdwait4_(pd, &status, 0, &ru));
EXPECT_EQ(-1, pdwait4_(fd, &status, 0, NULL));
EXPECT_EQ(pid, pdwait4_(pd, &status, 0, NULL));
int waitrc = pdwait4_(pd_copy, &status, 0, &ru);
EXPECT_EQ(0, pdwait4_(pd_, &status, 0, &ru));
int rc = pdwait4_(pd_, &status, 0, NULL);
int rc = pdwait4_(pd_, &status, 0, NULL);
EXPECT_EQ(-1, pdwait4_(pd_, &status, WNOHANG, NULL));
EXPECT_EQ(0, pdwait4_(pd_other, &status, WNOHANG, NULL));
EXPECT_SYSCALL_FAIL(EBADF, pdwait4_(pd, &status, WNOHANG, NULL));
int rc = pdwait4_(pd, &status, WNOHANG, NULL);
EXPECT_EQ(0, pdwait4_(pd_, &status, 0, NULL));
int rc = pdwait4_(pd_, &status, 0, NULL);
EXPECT_NOTCAPABLE(pdwait4_(cap_incapable, &status, 0, NULL));
int rc = pdwait4_(pd, &status, 0, NULL);