#define CMD_GETLEASE 8
#define CMD_SIGIO 9
#define CMD_WAIT_SIGIO 10
+#define CMD_TRUNCATE 11
#define PASS 1
#define FAIL 0
case CMD_GETLEASE: return "Get Lease"; break;
case CMD_SIGIO: return "Setup SIGIO"; break;
case CMD_WAIT_SIGIO: return "Wait for SIGIO"; break;
+ case CMD_TRUNCATE: return "Truncate"; break;
}
return "unknown";
}
/* 6 */"Write lease gets SIGIO on read open",
/* 7 */"Read lease does _not_ get SIGIO on read open",
/* 8 */"Read lease gets SIGIO on write open",
+ /* 9 */"Write lease gets SIGIO on truncate",
+ /* 10 */"Read lease gets SIGIO on truncate",
};
static int64_t lease_tests[][6] =
{8, CMD_CLOSE, 0, 0, PASS, SERVER },
{8, CMD_CLOSE, 0, 0, PASS, CLIENT },
+ /* Get SIGIO when Write lease is broken by Truncate */
+ {9, CMD_OPEN, O_RDWR, 0, PASS, CLIENT },
+ {9, CMD_SETLEASE, F_WRLCK, 0, PASS, CLIENT },
+ {9, CMD_GETLEASE, F_WRLCK, 0, PASS, CLIENT },
+ {9, CMD_SIGIO, 0, 0, PASS, CLIENT },
+ {9, CMD_TRUNCATE, FILE_SIZE/2, 0, PASS, CLIENT },
+ {9, CMD_WAIT_SIGIO, 5, 0, PASS, CLIENT },
+ {9, CMD_CLOSE, 0, 0, PASS, CLIENT },
+
+ /* Get SIGIO when Read lease is broken by Truncate */
+ {10, CMD_OPEN, O_RDONLY, 0, PASS, CLIENT },
+ {10, CMD_SETLEASE, F_RDLCK, 0, PASS, CLIENT },
+ {10, CMD_GETLEASE, F_RDLCK, 0, PASS, CLIENT },
+ {10, CMD_SIGIO, 0, 0, PASS, CLIENT },
+ {10, CMD_TRUNCATE, FILE_SIZE/2, 0, PASS, SERVER },
+ {10, CMD_WAIT_SIGIO, 5, 0, PASS, CLIENT },
+ {10, CMD_CLOSE, 0, 0, PASS, CLIENT },
+
+
/* indicate end of array */
{0,0,0,0,0,SERVER},
{0,0,0,0,0,CLIENT}
}
}
+static int do_truncate(size_t length)
+{
+ int rc;
+
+ if (debug)
+ fprintf(stderr, "truncating to %ld\n", length);
+
+again:
+ rc = truncate(filename, length);
+ if (rc && errno == EINTR)
+ goto again;
+
+ saved_errno = errno;
+
+ if (rc)
+ fprintf(stderr, "%s %d : %s\n",
+ __FILE__, errno, strerror(errno));
+
+ return (rc == 0 ? PASS:FAIL);
+}
+
void release_lease(int fd)
{
int rc;
case CMD_WAIT_SIGIO:
result = do_wait_sigio(tests[index][TIME]);
break;
+ case CMD_TRUNCATE:
+ result = do_truncate(tests[index][OFFSET]);
+ break;
}
if( result != tests[index][RESULT]) {
fail_flag++;
case CMD_WAIT_SIGIO:
result = do_wait_sigio(ctl.offset);
break;
+ case CMD_TRUNCATE:
+ result = do_truncate(ctl.offset);
+ break;
}
if( result != ctl.result ) {
fprintf(stderr,"Failure in %d:%s\n",