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perl/win32/perllib.c

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/*
* The Road goes ever on and on
* Down from the door where it began.
*
* [Bilbo on p.35 of _The Lord of the Rings_, I/i: "A Long-Expected Party"]
* [Frodo on p.73 of _The Lord of the Rings_, I/iii: "Three Is Company"]
*/
#define PERLIO_NOT_STDIO 0
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#ifdef PERL_IMPLICIT_SYS
#include "win32iop.h"
#include <fcntl.h>
#endif /* PERL_IMPLICIT_SYS */
/* Register any extra external extensions */
const char * const staticlinkmodules[] = {
"DynaLoader",
/* other similar records will be included from "perllibst.h" */
#define STATIC1
#include "perllibst.h"
NULL,
};
EXTERN_C void boot_DynaLoader (pTHX_ CV* cv);
/* other similar records will be included from "perllibst.h" */
#define STATIC2
#include "perllibst.h"
static void
xs_init(pTHX)
{
char *file = __FILE__;
dXSUB_SYS;
newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
/* other similar records will be included from "perllibst.h" */
#define STATIC3
#include "perllibst.h"
}
#ifdef PERL_IMPLICIT_SYS
/* WINCE: include replaced by:
extern "C" void win32_checkTLS(PerlInterpreter *host_perl);
*/
#include "perlhost.h"
void
win32_checkTLS(PerlInterpreter *host_perl)
{
dTHX;
if (host_perl != my_perl) {
int *nowhere = NULL;
#ifdef UNDER_CE
printf(" ... bad in win32_checkTLS\n");
printf(" %08X ne %08X\n",host_perl,my_perl);
#endif
abort();
}
}
#ifdef UNDER_CE
int GetLogicalDrives() {
return 0; /* no logical drives on CE */
}
int GetLogicalDriveStrings(int size, char addr[]) {
return 0; /* no logical drives on CE */
}
/* TBD */
DWORD GetFullPathNameA(LPCSTR fn, DWORD blen, LPTSTR buf, LPSTR *pfile) {
return 0;
}
/* TBD */
DWORD GetFullPathNameW(CONST WCHAR *fn, DWORD blen, WCHAR * buf, WCHAR **pfile) {
return 0;
}
/* TBD */
DWORD SetCurrentDirectoryA(LPSTR pPath) {
return 0;
}
/* TBD */
DWORD SetCurrentDirectoryW(CONST WCHAR *pPath) {
return 0;
}
int xcesetuid(uid_t id){return 0;}
int xceseteuid(uid_t id){ return 0;}
int xcegetuid() {return 0;}
int xcegeteuid(){ return 0;}
#endif
/* WINCE??: include "perlhost.h" */
EXTERN_C void
perl_get_host_info(struct IPerlMemInfo* perlMemInfo,
struct IPerlMemInfo* perlMemSharedInfo,
struct IPerlMemInfo* perlMemParseInfo,
struct IPerlEnvInfo* perlEnvInfo,
struct IPerlStdIOInfo* perlStdIOInfo,
struct IPerlLIOInfo* perlLIOInfo,
struct IPerlDirInfo* perlDirInfo,
struct IPerlSockInfo* perlSockInfo,
struct IPerlProcInfo* perlProcInfo)
{
if (perlMemInfo) {
Copy(&perlMem, &perlMemInfo->perlMemList, perlMemInfo->nCount, void*);
perlMemInfo->nCount = (sizeof(struct IPerlMem)/sizeof(void*));
}
if (perlMemSharedInfo) {
Copy(&perlMem, &perlMemSharedInfo->perlMemList, perlMemSharedInfo->nCount, void*);
perlMemSharedInfo->nCount = (sizeof(struct IPerlMem)/sizeof(void*));
}
if (perlMemParseInfo) {
Copy(&perlMem, &perlMemParseInfo->perlMemList, perlMemParseInfo->nCount, void*);
perlMemParseInfo->nCount = (sizeof(struct IPerlMem)/sizeof(void*));
}
if (perlEnvInfo) {
Copy(&perlEnv, &perlEnvInfo->perlEnvList, perlEnvInfo->nCount, void*);
perlEnvInfo->nCount = (sizeof(struct IPerlEnv)/sizeof(void*));
}
if (perlStdIOInfo) {
Copy(&perlStdIO, &perlStdIOInfo->perlStdIOList, perlStdIOInfo->nCount, void*);
perlStdIOInfo->nCount = (sizeof(struct IPerlStdIO)/sizeof(void*));
}
if (perlLIOInfo) {
Copy(&perlLIO, &perlLIOInfo->perlLIOList, perlLIOInfo->nCount, void*);
perlLIOInfo->nCount = (sizeof(struct IPerlLIO)/sizeof(void*));
}
if (perlDirInfo) {
Copy(&perlDir, &perlDirInfo->perlDirList, perlDirInfo->nCount, void*);
perlDirInfo->nCount = (sizeof(struct IPerlDir)/sizeof(void*));
}
if (perlSockInfo) {
Copy(&perlSock, &perlSockInfo->perlSockList, perlSockInfo->nCount, void*);
perlSockInfo->nCount = (sizeof(struct IPerlSock)/sizeof(void*));
}
if (perlProcInfo) {
Copy(&perlProc, &perlProcInfo->perlProcList, perlProcInfo->nCount, void*);
perlProcInfo->nCount = (sizeof(struct IPerlProc)/sizeof(void*));
}
}
EXTERN_C PerlInterpreter*
perl_alloc_override(struct IPerlMem** ppMem, struct IPerlMem** ppMemShared,
struct IPerlMem** ppMemParse, struct IPerlEnv** ppEnv,
struct IPerlStdIO** ppStdIO, struct IPerlLIO** ppLIO,
struct IPerlDir** ppDir, struct IPerlSock** ppSock,
struct IPerlProc** ppProc)
{
PerlInterpreter *my_perl = NULL;
CPerlHost* pHost = new CPerlHost(ppMem, ppMemShared, ppMemParse, ppEnv,
ppStdIO, ppLIO, ppDir, ppSock, ppProc);
if (pHost) {
my_perl = perl_alloc_using(pHost->m_pHostperlMem,
pHost->m_pHostperlMemShared,
pHost->m_pHostperlMemParse,
pHost->m_pHostperlEnv,
pHost->m_pHostperlStdIO,
pHost->m_pHostperlLIO,
pHost->m_pHostperlDir,
pHost->m_pHostperlSock,
pHost->m_pHostperlProc);
if (my_perl) {
w32_internal_host = pHost;
pHost->host_perl = my_perl;
}
}
return my_perl;
}
EXTERN_C PerlInterpreter*
perl_alloc(void)
{
PerlInterpreter* my_perl = NULL;
CPerlHost* pHost = new CPerlHost();
if (pHost) {
my_perl = perl_alloc_using(pHost->m_pHostperlMem,
pHost->m_pHostperlMemShared,
pHost->m_pHostperlMemParse,
pHost->m_pHostperlEnv,
pHost->m_pHostperlStdIO,
pHost->m_pHostperlLIO,
pHost->m_pHostperlDir,
pHost->m_pHostperlSock,
pHost->m_pHostperlProc);
if (my_perl) {
w32_internal_host = pHost;
pHost->host_perl = my_perl;
}
}
return my_perl;
}
EXTERN_C void
win32_delete_internal_host(void *h)
{
CPerlHost *host = (CPerlHost*)h;
delete host;
}
#endif /* PERL_IMPLICIT_SYS */
EXTERN_C HANDLE w32_perldll_handle;
EXTERN_C DllExport int
RunPerl(int argc, char **argv, char **env)
{
int exitstatus;
PerlInterpreter *my_perl, *new_perl = NULL;
bool use_environ = (env == environ);
#ifdef PERL_GLOBAL_STRUCT
#define PERLVAR(prefix,var,type) /**/
#define PERLVARA(prefix,var,type) /**/
#define PERLVARI(prefix,var,type,init) PL_Vars.prefix##var = init;
#define PERLVARIC(prefix,var,type,init) PL_Vars.prefix##var = init;
#include "perlvars.h"
#undef PERLVAR
#undef PERLVARA
#undef PERLVARI
#undef PERLVARIC
#endif
PERL_SYS_INIT(&argc,&argv);
if (!(my_perl = perl_alloc()))
return (1);
perl_construct(my_perl);
PL_perl_destruct_level = 0;
/* PERL_SYS_INIT() may update the environment, e.g. via ansify_path().
* This may reallocate the RTL environment block. Therefore we need
* to make sure that `env` continues to have the same value as `environ`
* if we have been called this way. If we have been called with any
* other value for `env` then all environment munging by PERL_SYS_INIT()
* will be lost again.
*/
if (use_environ)
env = environ;
if (!perl_parse(my_perl, xs_init, argc, argv, env)) {
#if defined(TOP_CLONE) && defined(USE_ITHREADS) /* XXXXXX testing */
new_perl = perl_clone(my_perl, 1);
(void) perl_run(new_perl);
PERL_SET_THX(my_perl);
#else
(void) perl_run(my_perl);
#endif
}
exitstatus = perl_destruct(my_perl);
perl_free(my_perl);
#ifdef USE_ITHREADS
if (new_perl) {
PERL_SET_THX(new_perl);
exitstatus = perl_destruct(new_perl);
perl_free(new_perl);
}
#endif
PERL_SYS_TERM();
return (exitstatus);
}
EXTERN_C void
set_w32_module_name(void);
EXTERN_C void
EndSockets(void);
#ifdef __MINGW32__
EXTERN_C /* GCC in C++ mode mangles the name, otherwise */
#endif
BOOL APIENTRY
DllMain(HINSTANCE hModule, /* DLL module handle */
DWORD fdwReason, /* reason called */
LPVOID lpvReserved) /* reserved */
{
switch (fdwReason) {
/* The DLL is attaching to a process due to process
* initialization or a call to LoadLibrary.
*/
case DLL_PROCESS_ATTACH:
#ifndef UNDER_CE
DisableThreadLibraryCalls((HMODULE)hModule);
#endif
w32_perldll_handle = hModule;
set_w32_module_name();
break;
/* The DLL is detaching from a process due to
* process termination or call to FreeLibrary.
*/
case DLL_PROCESS_DETACH:
/* As long as we use TerminateProcess()/TerminateThread() etc. for mimicing kill()
anything here had better be harmless if:
A. Not called at all.
B. Called after memory allocation for Heap has been forcibly removed by OS.
PerlIO_cleanup() was done here but fails (B).
*/
EndSockets();
#if defined(USE_ITHREADS)
if (PL_curinterp)
FREE_THREAD_KEY;
#endif
break;
/* The attached process creates a new thread. */
case DLL_THREAD_ATTACH:
break;
/* The thread of the attached process terminates. */
case DLL_THREAD_DETACH:
break;
default:
break;
}
return TRUE;
}
#if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
EXTERN_C PerlInterpreter *
perl_clone_host(PerlInterpreter* proto_perl, UV flags) {
dTHX;
CPerlHost *h;
h = new CPerlHost(*(CPerlHost*)PL_sys_intern.internal_host);
proto_perl = perl_clone_using(proto_perl, flags,
h->m_pHostperlMem,
h->m_pHostperlMemShared,
h->m_pHostperlMemParse,
h->m_pHostperlEnv,
h->m_pHostperlStdIO,
h->m_pHostperlLIO,
h->m_pHostperlDir,
h->m_pHostperlSock,
h->m_pHostperlProc
);
proto_perl->Isys_intern.internal_host = h;
h->host_perl = proto_perl;
return proto_perl;
}
#endif
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