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2986a63f JH |
1 | /* dl_netware.xs |
2 | * | |
3 | * Platform: NetWare | |
4 | * Author: SGP | |
5 | * Created: 21st July 2000 | |
6 | * Last Modified: 23rd Oct 2000 | |
7 | * Note: !!!Any modification to the xs file to be done to the one which is under netware directory!!! | |
8 | * Modification History | |
9 | * 23rd Oct - Failing to find nlms with long names fixed - sdbm_file | |
10 | */ | |
11 | ||
12 | /* | |
13 | ||
14 | NetWare related modifications done on dl_win32.xs file created by Wei-Yuen Tan to get this file. | |
15 | ||
16 | */ | |
17 | ||
18 | ||
19 | #include <nwthread.h> | |
20 | #include <nwerrno.h> | |
21 | ||
22 | #include "EXTERN.h" | |
23 | #include "perl.h" | |
24 | #include "XSUB.h" | |
25 | ||
26 | ||
27 | //function pointer for UCSInitialize | |
28 | typedef void (*PFUCSINITIALIZE) (); | |
29 | ||
2986a63f JH |
30 | #include "dlutils.c" /* SaveError() etc */ |
31 | ||
32 | static void | |
acfe0abc | 33 | dl_private_init(pTHX) |
2986a63f | 34 | { |
acfe0abc | 35 | (void)dl_generic_private_init(aTHX); |
2986a63f JH |
36 | } |
37 | ||
38 | ||
39 | MODULE = DynaLoader PACKAGE = DynaLoader | |
40 | ||
41 | BOOT: | |
acfe0abc | 42 | (void)dl_private_init(aTHX); |
2986a63f JH |
43 | |
44 | ||
45 | void * | |
46 | dl_load_file(filename,flags=0) | |
47 | char * filename | |
48 | int flags | |
49 | PREINIT: | |
50 | CODE: | |
51 | { | |
52 | char* mod_name = filename; | |
53 | ||
54 | //Names with more than 8 chars can't be found with FindNLMHandle | |
55 | //8 - Name, 1 - Period, 3 - Extension, 1 - String terminator | |
56 | char mod_name8[13]={'\0'}; | |
57 | char *p=NULL; | |
58 | char *buffer=NULL; | |
59 | int nNameLength=0; | |
60 | unsigned int nlmHandle=0; | |
61 | ||
62 | while (*mod_name) mod_name++; | |
63 | ||
64 | //Get the module name with extension to see if it is already loaded | |
65 | while (mod_name > filename && mod_name[-1] != '/' && mod_name[-1] != '\\') mod_name--; | |
66 | ||
67 | DLDEBUG(1,PerlIO_printf(Perl_debug_log,"dl_load_file(%s):\n", filename)); | |
68 | ||
69 | buffer = strdup(mod_name); | |
70 | p = strtok (buffer, "."); | |
71 | if (p) { | |
72 | nNameLength = (strlen(p)>8)?8:strlen(p); | |
73 | memcpy(mod_name8,p,nNameLength); | |
74 | *(mod_name8 + nNameLength) = '.'; | |
75 | *(mod_name8 + nNameLength+1) ='\0'; | |
76 | p = strtok (NULL, "."); | |
77 | if (p){ | |
78 | strcat(mod_name8,p); | |
79 | ||
80 | if ( (nlmHandle = FindNLMHandle(mod_name8)) == NULL ) | |
81 | { | |
82 | //NLM/NLP not loaded, load it and get the handle | |
83 | if(spawnlp(P_NOWAIT, filename, filename, NULL)!=0) | |
84 | { | |
85 | //failed to load the NLM/NLP, this unlikely | |
86 | //If multiple scripts are executed for the first time before running any other | |
87 | //ucs script, sometimes there used to be an abend. | |
88 | switch(NetWareErrno) | |
89 | { | |
90 | case LOAD_CAN_NOT_LOAD_MULTIPLE_COPIES: | |
91 | nlmHandle = FindNLMHandle(mod_name8); | |
92 | break; | |
93 | case LOAD_ALREADY_IN_PROGRESS: | |
94 | #ifdef MPK_ON | |
95 | kYieldThread(); | |
96 | #else | |
97 | ThreadSwitch(); | |
98 | #endif //MPK_ON | |
99 | nlmHandle = FindNLMHandle(mod_name8); | |
100 | break; | |
101 | default: | |
102 | nlmHandle = 0; | |
103 | } | |
104 | } | |
105 | else | |
106 | { | |
107 | nlmHandle = FindNLMHandle(mod_name8); | |
108 | } | |
109 | } | |
4d76e4b4 | 110 | //use Perl2UCS or UCSExt encountered : |
2986a63f JH |
111 | //initialize UCS, this has to be terminated when the script finishes execution |
112 | //Is the script intending to use UCS Extensions? | |
113 | //This should be done once per script execution | |
011f1a1a | 114 | if ((strcmp(mod_name,"Perl2UCS.nlm")==0) || (strcmp(mod_name,"UCSExt.nlm")==0)) |
2986a63f JH |
115 | { |
116 | unsigned int moduleHandle = 0; | |
117 | moduleHandle = FindNLMHandle("UCSCORE.NLM"); | |
118 | if (moduleHandle) | |
119 | { | |
120 | PFUCSINITIALIZE ucsinit = (PFUCSINITIALIZE)ImportSymbol(moduleHandle,"UCSInitialize"); | |
121 | if (ucsinit!=NULL) | |
122 | (*ucsinit)(); | |
123 | } | |
124 | } | |
125 | ||
126 | DLDEBUG(2,PerlIO_printf(Perl_debug_log," libref=%x\n", nlmHandle)); | |
127 | ST(0) = sv_newmortal() ; | |
128 | if (nlmHandle == NULL) | |
acfe0abc GS |
129 | //SaveError(aTHX_ "load_file:%s", |
130 | // OS_Error_String(aTHX)) ; | |
2986a63f JH |
131 | ConsolePrintf("load_file error : %s\n", mod_name8); |
132 | else | |
133 | sv_setiv( ST(0), (IV)nlmHandle); | |
134 | } | |
135 | } | |
136 | free(buffer); | |
137 | ||
138 | ||
139 | } | |
140 | ||
141 | void * | |
142 | dl_find_symbol(libhandle, symbolname) | |
143 | void * libhandle | |
144 | char * symbolname | |
145 | CODE: | |
146 | DLDEBUG(2,PerlIO_printf(Perl_debug_log,"dl_find_symbol(handle=%x, symbol=%s)\n", | |
147 | libhandle, symbolname)); | |
148 | ||
149 | //import the symbol that the dynaloader is asking for. | |
150 | RETVAL = (void *)ImportSymbol((int)libhandle, symbolname); | |
151 | ||
152 | DLDEBUG(2,PerlIO_printf(Perl_debug_log," symbolref = %x\n", RETVAL)); | |
153 | ST(0) = sv_newmortal() ; | |
154 | if (RETVAL == NULL) | |
acfe0abc GS |
155 | //SaveError(aTHX_ "find_symbol:%s", |
156 | // OS_Error_String(aTHX)) ; | |
2986a63f JH |
157 | ConsolePrintf("find_symbol error \n"); |
158 | else | |
159 | sv_setiv( ST(0), (IV)RETVAL); | |
160 | ||
161 | void | |
162 | dl_undef_symbols() | |
163 | PPCODE: | |
164 | ||
165 | ||
166 | # These functions should not need changing on any platform: | |
167 | ||
168 | void | |
169 | dl_install_xsub(perl_name, symref, filename="$Package") | |
170 | char * perl_name | |
171 | void * symref | |
172 | char * filename | |
173 | CODE: | |
174 | DLDEBUG(2,PerlIO_printf(Perl_debug_log,"dl_install_xsub(name=%s, symref=%x)\n", | |
175 | perl_name, symref)); | |
176 | ST(0) = sv_2mortal(newRV((SV*)newXS(perl_name, | |
acfe0abc | 177 | (void(*)(pTHX_ CV *))symref, |
2986a63f JH |
178 | filename))); |
179 | ||
180 | ||
181 | char * | |
182 | dl_error() | |
183 | CODE: | |
c8c3aaef JH |
184 | dMY_CXT; |
185 | RETVAL = dl_last_error ; | |
2986a63f JH |
186 | OUTPUT: |
187 | RETVAL | |
188 | ||
189 | # end. | |
190 | ||
191 |