| 1 | /* $Id: DosLoadModuleEx.c 2254 2005-07-17 12:25:44Z bird $ */
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| 2 | /** @file
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| 3 | *
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| 4 | * DosCreateEventSemEx.
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| 5 | *
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| 6 | * Copyright (c) 2004 knut st. osmundsen <bird-srcspam@anduin.net>
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| 7 | *
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| 8 | *
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| 9 | * This file is part of InnoTek LIBC.
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| 10 | *
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| 11 | * InnoTek LIBC is free software; you can redistribute it and/or modify
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| 12 | * it under the terms of the GNU Lesser General Public License as published
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| 13 | * by the Free Software Foundation; either version 2 of the License, or
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| 14 | * (at your option) any later version.
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| 15 | *
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| 16 | * InnoTek LIBC is distributed in the hope that it will be useful,
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | * GNU Lesser General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU Lesser General Public License
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| 22 | * along with InnoTek LIBC; if not, write to the Free Software
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| 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 24 | *
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| 25 | */
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| 26 |
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| 27 | /*******************************************************************************
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| 28 | * Header Files *
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| 29 | *******************************************************************************/
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| 30 | #include "libc-alias.h"
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| 31 | #define INCL_ERRORS
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| 32 | #define INCL_DOSMODULEMGR
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| 33 | #define INCL_FSMACROS
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| 34 | #define INCL_EXAPIS
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| 35 | #include <os2emx.h>
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| 36 | #define __LIBC_LOG_GROUP __LIBC_LOG_GRP_DOSEX
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| 37 | #include <InnoTekLIBC/logstrict.h>
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| 38 | #include "DosEx.h"
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| 39 |
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| 40 |
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| 41 | /**
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| 42 | * Extended DosLoadModule() which will make sure the loaded module is
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| 43 | * loaded in a forked process.
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| 44 | */
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| 45 | APIRET APIENTRY DosLoadModuleEx(PSZ pszObject, ULONG cbObject, PCSZ pszModule, PHMODULE phmod)
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| 46 | {
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| 47 | LIBCLOG_ENTER("pszObject=%p cbObject=%ld pszModule=%p:{'%s'} phmod=%p\n", pszObject, cbObject, (void *)pszModule, pszModule, (void *)phmod);
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| 48 | DOSEXTYPE enmType;
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| 49 | PDOSEX pDosEx;
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| 50 | HMODULE hmte;
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| 51 | int rc;
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| 52 | FS_VAR();
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| 53 |
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| 54 | /*
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| 55 | * Create the semaphore.
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| 56 | */
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| 57 | FS_SAVE_LOAD();
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| 58 | rc = DosLoadModule(pszObject, cbObject, pszModule, phmod);
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| 59 | if (rc)
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| 60 | {
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| 61 | FS_RESTORE();
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| 62 | LIBCLOG_ERROR_RETURN_INT(rc);
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| 63 | }
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| 64 |
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| 65 | /*
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| 66 | * Check if already loaded.
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| 67 | */
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| 68 | hmte = *phmod;
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| 69 | pDosEx = __libc_dosexFind(DOSEX_TYPE_LOAD_MODULE, (unsigned)hmte);
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| 70 | if (pDosEx)
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| 71 | {
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| 72 | pDosEx->u.LoadModule.cLoads++;
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| 73 | __libc_dosexRelease(pDosEx);
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| 74 | }
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| 75 | else
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| 76 | {
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| 77 | /*
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| 78 | * Allocate record.
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| 79 | */
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| 80 | enmType = DOSEX_TYPE_LOAD_MODULE;
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| 81 | pDosEx = __libc_dosexAlloc(enmType);
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| 82 | if (!pDosEx)
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| 83 | {
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| 84 | DosFreeModule(hmte);
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| 85 | FS_RESTORE();
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| 86 | LIBCLOG_ERROR_RETURN_INT(ERROR_NOT_ENOUGH_MEMORY);
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| 87 | }
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| 88 |
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| 89 | /*
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| 90 | * Initialize record.
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| 91 | */
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| 92 | pDosEx->u.LoadModule.hmte = hmte;
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| 93 | pDosEx->u.LoadModule.cLoads = 1;
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| 94 | }
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| 95 |
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| 96 | FS_RESTORE();
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| 97 | LIBCLOG_RETURN_MSG(0, "ret 0 *phmod=%#lx\n", hmte);
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| 98 | }
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| 99 |
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