97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2012 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include <signal.h> /* for VSIG_ATOMIC_T */
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#ifndef __MVS__
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#include <sys/param.h>
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#ifdef __hpux
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#include <sys/pstat.h>
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#else
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#include "gtm_unistd.h"
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#endif
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#else /* __MVS__ */
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#define CVT_ADDR 0x10 /* -> to CVT */
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#define OFFSET_IN_CVT_OF_CSD_ADDR 0x294 /* CVT+294 -> CSD */
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#define OFFSET_IN_CSD_OF_NUM_CPUS_ADDR 0x0a /* CSD+a #cpus online */
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#define TYPE_OF_NUM_CPUS short
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#endif
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#include "send_msg.h"
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#include "gtmio.h"
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#include "have_crit.h"
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#include "eintr_wrappers.h"
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#include "set_num_additional_processors.h"
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#ifdef DEBUG
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#include "io.h"
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#include "gtm_stdio.h"
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#include "wcs_sleep.h"
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#include "wbox_test_init.h"
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#include "deferred_signal_handler.h"
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#endif
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GBLREF int num_additional_processors;
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error_def(ERR_NUMPROCESSORS);
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void set_num_additional_processors(void)
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{
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long numcpus;
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# ifdef __hpux
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struct pst_dynamic psd;
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DEFER_INTERRUPTS(INTRPT_IN_SET_NUM_ADD_PROCS);
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# ifdef DEBUG
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if (gtm_white_box_test_case_enabled
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&& (WBTEST_SYSCONF_WRAPPER == gtm_white_box_test_case_number))
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{
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DBGFPF((stderr, "will sleep indefinitely now\n"));
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while (TRUE)
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LONG_SLEEP(60);
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}
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# endif
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if (pstat_getdynamic(&psd, SIZEOF(psd), (size_t)1, 0) == -1)
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{
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send_msg(VARLSTCNT(1) ERR_NUMPROCESSORS);
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numcpus = 1;
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}
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else
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numcpus = psd.psd_proc_cnt;
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ENABLE_INTERRUPTS(INTRPT_IN_SET_NUM_ADD_PROCS);
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# else
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# ifdef __MVS__
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# ifdef DEBUG
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DEFER_INTERRUPTS(INTRPT_IN_SET_NUM_ADD_PROCS);
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if (gtm_white_box_test_case_enabled
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&& (WBTEST_SYSCONF_WRAPPER == gtm_white_box_test_case_number))
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{
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DBGFPF((stderr, "will sleep indefinitely now\n"));
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while (TRUE)
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LONG_SLEEP(60);
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}
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ENABLE_INTERRUPTS(INTRPT_IN_SET_NUM_ADD_PROCS);
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# endif
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numcpus = *(TYPE_OF_NUM_CPUS *)((*(int *)((*(int *)CVT_ADDR) + OFFSET_IN_CVT_OF_CSD_ADDR))
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+ OFFSET_IN_CSD_OF_NUM_CPUS_ADDR);
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# else
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SYSCONF(_SC_NPROCESSORS_ONLN, numcpus);
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if (numcpus == -1)
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{
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send_msg(VARLSTCNT(1) ERR_NUMPROCESSORS);
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numcpus = 1;
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}
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# endif
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# endif
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num_additional_processors = (int)(numcpus - 1);
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}
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