* Currently this file is simply #included into dl_*.xs/.c files.
* It should really be split into a dlutils.h and dlutils.c
*
+ * Modified:
+ * 29th Feburary 2000 - Alan Burlison: Added functionality to close dlopen'd
+ * files when the interpreter exits
*/
+#define PERL_EUPXS_ALWAYS_EXPORT
+#ifndef START_MY_CXT /* Some IDEs try compiling this standalone. */
+# include "EXTERN.h"
+# include "perl.h"
+# include "XSUB.h"
+#endif
-/* pointer to allocated memory for last error message */
-static char *LastError = (char*)NULL;
+#ifndef XS_VERSION
+# define XS_VERSION "0"
+#endif
+#define MY_CXT_KEY "DynaLoader::_guts" XS_VERSION
+
+/* disable version checking since DynaLoader can't be DynaLoaded */
+#undef dXSBOOTARGSXSAPIVERCHK
+#define dXSBOOTARGSXSAPIVERCHK dXSBOOTARGSNOVERCHK
+
+typedef struct {
+ SV* x_dl_last_error; /* pointer to allocated memory for
+ last error message */
+#if defined(PERL_IN_DL_HPUX_XS) || defined(PERL_IN_DL_DLOPEN_XS)
+ int x_dl_nonlazy; /* flag for immediate rather than lazy
+ linking (spots unresolved symbol) */
+#endif
+#ifdef DL_LOADONCEONLY
+ HV * x_dl_loaded_files; /* only needed on a few systems */
+#endif
+#ifdef DL_CXT_EXTRA
+ my_cxtx_t x_dl_cxtx; /* extra platform-specific data */
+#endif
+#ifdef DEBUGGING
+ int x_dl_debug; /* value copied from $DynaLoader::dl_debug */
+#endif
+} my_cxt_t;
-/* flag for immediate rather than lazy linking (spots unresolved symbol) */
-static int dl_nonlazy = 0;
+START_MY_CXT
+#define dl_last_error (SvPVX(MY_CXT.x_dl_last_error))
+#if defined(PERL_IN_DL_HPUX_XS) || defined(PERL_IN_DL_DLOPEN_XS)
+#define dl_nonlazy (MY_CXT.x_dl_nonlazy)
+#endif
#ifdef DL_LOADONCEONLY
-static HV *dl_loaded_files = Nullhv; /* only needed on a few systems */
+#define dl_loaded_files (MY_CXT.x_dl_loaded_files)
+#endif
+#ifdef DL_CXT_EXTRA
+#define dl_cxtx (MY_CXT.x_dl_cxtx)
+#endif
+#ifdef DEBUGGING
+#define dl_debug (MY_CXT.x_dl_debug)
#endif
-
#ifdef DEBUGGING
-static int dl_debug = 0; /* value copied from $DynaLoader::dl_error */
-#define DLDEBUG(level,code) if (dl_debug>=level) { code; }
+#define DLDEBUG(level,code) \
+ STMT_START { \
+ dMY_CXT; \
+ if (dl_debug>=level) { code; } \
+ } STMT_END
#else
-#define DLDEBUG(level,code)
+#define DLDEBUG(level,code) NOOP
#endif
+#ifdef DL_UNLOAD_ALL_AT_EXIT
+/* Close all dlopen'd files */
+static void
+dl_unload_all_files(pTHX_ void *unused)
+{
+ CV *sub;
+ AV *dl_librefs;
+ SV *dl_libref;
+
+ if ((sub = get_cvs("DynaLoader::dl_unload_file", 0)) != NULL) {
+ dl_librefs = get_av("DynaLoader::dl_librefs", 0);
+ EXTEND(SP,1);
+ while ((dl_libref = av_pop(dl_librefs)) != &PL_sv_undef) {
+ dSP;
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ PUSHs(sv_2mortal(dl_libref));
+ PUTBACK;
+ call_sv((SV*)sub, G_DISCARD | G_NODEBUG);
+ FREETMPS;
+ LEAVE;
+ }
+ }
+}
+#endif
static void
-dl_generic_private_init(pTHXo) /* called by dl_*.xs dl_private_init() */
+dl_generic_private_init(pTHX) /* called by dl_*.xs dl_private_init() */
{
+#if defined(PERL_IN_DL_HPUX_XS) || defined(PERL_IN_DL_DLOPEN_XS)
char *perl_dl_nonlazy;
+#endif
+ MY_CXT_INIT;
+
+ MY_CXT.x_dl_last_error = newSVpvs("");
+#ifdef DL_LOADONCEONLY
+ dl_loaded_files = NULL;
+#endif
#ifdef DEBUGGING
- dl_debug = SvIV(get_sv("DynaLoader::dl_debug", 0x04) );
+ {
+ SV *sv = get_sv("DynaLoader::dl_debug", 0);
+ dl_debug = sv ? SvIV(sv) : 0;
+ }
#endif
+
+#if defined(PERL_IN_DL_HPUX_XS) || defined(PERL_IN_DL_DLOPEN_XS)
if ( (perl_dl_nonlazy = getenv("PERL_DL_NONLAZY")) != NULL )
- dl_nonlazy = atoi(perl_dl_nonlazy);
+ dl_nonlazy = grok_atou(perl_dl_nonlazy, NULL);
+ else
+ dl_nonlazy = 0;
if (dl_nonlazy)
- DLDEBUG(1,PerlIO_printf(PerlIO_stderr(), "DynaLoader bind mode is 'non-lazy'\n"));
+ DLDEBUG(1,PerlIO_printf(Perl_debug_log, "DynaLoader bind mode is 'non-lazy'\n"));
+#endif
#ifdef DL_LOADONCEONLY
if (!dl_loaded_files)
dl_loaded_files = newHV(); /* provide cache for dl_*.xs if needed */
#endif
+#ifdef DL_UNLOAD_ALL_AT_EXIT
+ call_atexit(&dl_unload_all_files, (void*)0);
+#endif
}
-/* SaveError() takes printf style args and saves the result in LastError */
+#ifndef SYMBIAN
+/* SaveError() takes printf style args and saves the result in dl_last_error */
static void
-SaveError(pTHXo_ char* pat, ...)
+SaveError(pTHX_ const char* pat, ...)
{
va_list args;
SV *msv;
- char *message;
+ const char *message;
STRLEN len;
/* This code is based on croak/warn, see mess() in util.c */
va_start(args, pat);
- msv = mess(pat, &args);
+ msv = vmess(pat, &args);
va_end(args);
message = SvPV(msv,len);
len++; /* include terminating null char */
- /* Allocate some memory for the error message */
- if (LastError)
- LastError = (char*)saferealloc(LastError, len) ;
- else
- LastError = (char *) safemalloc(len) ;
-
- /* Copy message into LastError (including terminating null char) */
- strncpy(LastError, message, len) ;
- DLDEBUG(2,PerlIO_printf(PerlIO_stderr(), "DynaLoader: stored error msg '%s'\n",LastError));
+ {
+ dMY_CXT;
+ /* Copy message into dl_last_error (including terminating null char) */
+ sv_setpvn(MY_CXT.x_dl_last_error, message, len) ;
+ DLDEBUG(2,PerlIO_printf(Perl_debug_log, "DynaLoader: stored error msg '%s'\n",dl_last_error));
+ }
}
+#endif
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