| 1 | typedef struct {
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| 2 | PCNRITEM pci;
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| 3 | PSZ pszFileName;
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| 4 | BOOL bAllocated;
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| 5 | }
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| 6 | PCIHIST, *PPCIHIST;
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| 7 | #define PciMaint(a, b) PciMaint2(a, b, pszSrcFile, __LINE__)
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| 8 | void PciMaint2(PCNRITEM pci, BOOL bPciAllocation, PSZ pszSource, int iLine)
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| 9 | {
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| 10 | #define HIST_COUNT 1000
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| 11 |
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| 12 | static HMTX hmtxPciTable = NULLHANDLE;
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| 13 | static PPCIHIST pHistory = NULL;
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| 14 | static USHORT usAllocations = 1;
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| 15 | ULONG ulNumStructs = usAllocations * HIST_COUNT;
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| 16 | UINT i, i2;
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| 17 | APIRET rc;
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| 18 | char szFile[CCHMAXPATH];
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| 19 |
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| 20 | if (!hmtxPciTable) {
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| 21 | rc = DosCreateMutexSem(NULL, &hmtxPciTable, 0L, TRUE);
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| 22 | if (rc) {
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| 23 | fprintf(stderr, "Unable to create pcitable mutex: %d\n", rc);
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| 24 | fflush(stderr);
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| 25 | return;
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| 26 | }
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| 27 | pHistory = xmalloc(HIST_COUNT * usAllocations * sizeof(PCIHIST), pszSrcFile, __LINE__);
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| 28 | memset((void *)pHistory, 0, HIST_COUNT * sizeof(PCIHIST));
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| 29 | } else {
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| 30 | rc = DosRequestMutexSem(hmtxPciTable, SEM_INDEFINITE_WAIT);
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| 31 | if (rc) {
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| 32 | fprintf(stderr, "Error requesting mutex: %d\n", rc);
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| 33 | fflush(stderr);
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| 34 | return;
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| 35 | }
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| 36 | }
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| 37 | strcpy(szFile, ((pci->pszFileName && *pci->pszFileName) ? pci->pszFileName : "N/A"));
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| 38 | fprintf(stderr, "PciMaint entry. pci: %08x New: %c Line: %d src: %s file: %s\n",
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| 39 | pci, (bPciAllocation ? 'Y' : 'N'), iLine, pszSource, szFile);
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| 40 | if (!pci) {
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| 41 | DosReleaseMutexSem(hmtxPciTable);
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| 42 | fflush(stderr);
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| 43 | return;
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| 44 | }
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| 45 | for (i = 0; i < ulNumStructs; i++) {
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| 46 | if (!pHistory[i].pci || pHistory[i].pci == pci)
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| 47 | break;
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| 48 | }
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| 49 | if (i == ulNumStructs) {
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| 50 | fprintf(stderr, "PciMaint history reallocation: %d\n", usAllocations++);
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| 51 | ulNumStructs += HIST_COUNT;
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| 52 | pHistory = xrealloc(pHistory, usAllocations * HIST_COUNT * sizeof(PCIHIST), pszSrcFile, __LINE__);
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| 53 | usAllocations++;
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| 54 | for (i2 = i; i2 < i + HIST_COUNT; i2++) {
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| 55 | pHistory[i2].pci = NULL;
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| 56 | }
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| 57 | }
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| 58 | if (bPciAllocation) {
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| 59 | if (!pHistory[i].pci) {
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| 60 | fprintf(stderr, "PciMaint using new slot %d\n", i);
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| 61 | pHistory[i].pci = pci;
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| 62 | pHistory[i].bAllocated = TRUE;
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| 63 | if (pci->pszFileName && *pci->pszFileName) {
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| 64 | pHistory[i].pszFileName = xstrdup(pci->pszFileName, pszSrcFile, __LINE__);
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| 65 | } else {
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| 66 | pHistory[i].pszFileName = NULL;
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| 67 | }
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| 68 | } else {
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| 69 | if (pHistory[i].bAllocated) { // Error: repeat allocation w/o intervening dealloc
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| 70 | strcpy(szFile, (pHistory[i].pszFileName ? pHistory[i].pszFileName : "N/A"));
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| 71 | fprintf(stderr, "PciMaint error: Missed dealloc or repeat alloc for pci: %08x slot: %d prev file: %s\n",
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| 72 | pci, i, szFile);
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| 73 | pHistory[i].pci = pci;
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| 74 | pHistory[i].bAllocated = TRUE;
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| 75 | if (pHistory[i].pszFileName && (pHistory[i].pszFileName != NullStr)) free(pHistory[i].pszFileName);
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| 76 | if (pci->pszFileName && *pci->pszFileName) {
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| 77 | pHistory[i].pszFileName = xstrdup(pci->pszFileName, pszSrcFile, __LINE__);
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| 78 | } else {
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| 79 | pHistory[i].pszFileName = NULL;
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| 80 | }
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| 81 | } else { // OK, realloc deallocated pci
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| 82 | fprintf(stderr, "PciMaint re-using slot %d\n", i);
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| 83 | pHistory[i].bAllocated = TRUE;
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| 84 | if (pHistory[i].pszFileName && (pHistory[i].pszFileName != NullStr)) free(pHistory[i].pszFileName);
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| 85 | if (pci->pszFileName && *pci->pszFileName) {
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| 86 | pHistory[i].pszFileName = xstrdup(pci->pszFileName, pszSrcFile, __LINE__);
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| 87 | } else {
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| 88 | pHistory[i].pszFileName = NULL;
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| 89 | }
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| 90 | }
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| 91 | }
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| 92 | } else { // Deallocation
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| 93 | if (!pHistory[i].pci) { // Error: not previously allocated
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| 94 | fprintf(stderr, "PCiMaint error: Missed alloc or dealloc before alloc for pci: %08x slot %d\n", pci, i);
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| 95 | if (pci->pszFileName && *pci->pszFileName) {
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| 96 | pHistory[i].pszFileName = xstrdup(pci->pszFileName, pszSrcFile, __LINE__);
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| 97 | } else {
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| 98 | pHistory[i].pszFileName = NULL;
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| 99 | }
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| 100 | } else {
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| 101 | if (pHistory[i].bAllocated) {
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| 102 | fprintf(stderr, "PciMaint deallocating slot %d\n", i);
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| 103 | pHistory[i].bAllocated = FALSE;
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| 104 | if (pHistory[i].pszFileName && (pHistory[i].pszFileName != NullStr)) free(pHistory[i].pszFileName);
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| 105 | if (pci->pszFileName && *pci->pszFileName) {
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| 106 | pHistory[i].pszFileName = xstrdup(pci->pszFileName, pszSrcFile, __LINE__);
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| 107 | } else {
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| 108 | pHistory[i].pszFileName = NULL;
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| 109 | }
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| 110 | } else { // Error: 2x free
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| 111 | fprintf(stderr, "PCiMaint error: Missed alloc or repeat dealloc pci: %08x slot: %d prev. file: %s\n", pci, i);
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| 112 | if (pHistory[i].pszFileName && (pHistory[i].pszFileName != NullStr)) free(pHistory[i].pszFileName);
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| 113 | if (pci->pszFileName && *pci->pszFileName) {
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| 114 | pHistory[i].pszFileName = xstrdup(pci->pszFileName, pszSrcFile, __LINE__);
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| 115 | } else {
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| 116 | pHistory[i].pszFileName = NULL;
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| 117 | }
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| 118 | }
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| 119 | }
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| 120 | }
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| 121 | DosReleaseMutexSem(hmtxPciTable);
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| 122 | fflush(stderr);
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| 123 | return;
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| 124 | }
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| 125 |
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