fis-gtm/sr_unix/mu_truncate.h

49 lines
1.6 KiB
C

/****************************************************************
* *
* Copyright 2012, 2013 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#ifndef MU_TRUNCATE_DEFINED
#define MU_TRUNCATE_DEFINED
#define BML_BLKS_PER_UCHAR (BITS_PER_UCHAR / BML_BITS_PER_BLK)
#define GET_STATUS(bp, blknum, bml_status) \
bml_status = (bp >> (blknum * BML_BITS_PER_BLK)) & ((1 << BML_BITS_PER_BLK) - 1);
#define CHECK_DBSYNC(reg, save_errno) \
{ \
if (0 != save_errno) \
{ \
send_msg_csa(CSA_ARG(REG2CSA(reg)) VARLSTCNT(5) ERR_DBFSYNCERR, 2, DB_LEN_STR(reg), save_errno); \
rts_error_csa(CSA_ARG(REG2CSA(reg)) VARLSTCNT(5) ERR_DBFSYNCERR, 2, DB_LEN_STR(reg), save_errno); \
assert(FALSE); /* should not come here as the rts_error above should not return */ \
rel_crit(reg); \
return FALSE; \
} \
}
#define KILL_TRUNC_TEST(label) \
{ \
GTM_WHITE_BOX_TEST(label, sigkill, 1); \
if (sigkill == 1) \
kill( getpid(), 9); \
}
typedef struct trunc_reg_struct
{
gd_region *reg;
struct trunc_reg_struct *next;
} trunc_region;
boolean_t mu_truncate(int4 truncate_percent);
STATICFNDCL int4 bml_find_busy_recycled(int4 hint, uchar_ptr_t base_addr, int4 blks_in_lmap, int *bml_status_ptr);
#endif