* Version: 2.1, 1995/1/25
*/
+/* o Added BIND_VERBOSE to dl_nonlazy condition to add names of missing
+ * symbols to stderr message on fatal error.
+ *
+ * o Added BIND_NONFATAL comment to default condition.
+ *
+ * Chuck Phillips (cdp@fc.hp.com)
+ * Version: 2.2, 1997/5/4 */
+
#ifdef __hp9000s300
#define magic hpux_magic
#define MAGIC HPUX_MAGIC
#include "perl.h"
#include "XSUB.h"
+typedef struct {
+ AV * x_resolve_using;
+} my_cxtx_t; /* this *must* be named my_cxtx_t */
+#define DL_CXT_EXTRA /* ask for dl_cxtx to be defined in dlutils.c */
#include "dlutils.c" /* for SaveError() etc */
-static AV *dl_resolve_using = Nullav;
-
+#define dl_resolve_using (dl_cxtx.x_resolve_using)
static void
-dl_private_init()
+dl_private_init(pTHX)
{
- (void)dl_generic_private_init();
- dl_resolve_using = perl_get_av("DynaLoader::dl_resolve_using", 0x4);
+ (void)dl_generic_private_init(aTHX);
+ {
+ dMY_CXT;
+ dl_resolve_using = get_av("DynaLoader::dl_resolve_using", GV_ADDMULTI);
+ }
}
MODULE = DynaLoader PACKAGE = DynaLoader
BOOT:
- (void)dl_private_init();
+ (void)dl_private_init(aTHX);
-void *
+void
dl_load_file(filename, flags=0)
char * filename
int flags
PREINIT:
shl_t obj = NULL;
int i, max, bind_type;
+ dMY_CXT;
CODE:
- DLDEBUG(1,PerlIO_printf(PerlIO_stderr(), "dl_load_file(%s,%x):\n", filename,flags));
+ DLDEBUG(1,PerlIO_printf(Perl_debug_log, "dl_load_file(%s,%x):\n", filename,flags));
if (flags & 0x01)
- warn("Can't make loaded symbols global on this platform while loading %s",filename);
- if (dl_nonlazy)
- bind_type = BIND_IMMEDIATE;
- else
- bind_type = BIND_DEFERRED;
+ Perl_warn(aTHX_ "Can't make loaded symbols global on this platform while loading %s",filename);
+ if (dl_nonlazy) {
+ bind_type = BIND_IMMEDIATE|BIND_VERBOSE;
+ } else {
+ bind_type = BIND_DEFERRED;
+ /* For certain libraries, like DCE, deferred binding often causes run
+ * time problems. Adding BIND_NONFATAL to BIND_IMMEDIATE still allows
+ * unresolved references in situations like this. */
+ /* bind_type = BIND_IMMEDIATE|BIND_NONFATAL; */
+ }
+ /* BIND_NOSTART removed from bind_type because it causes the shared library's */
+ /* initialisers not to be run. This causes problems with all of the static objects */
+ /* in the library. */
#ifdef DEBUGGING
if (dl_debug)
bind_type |= BIND_VERBOSE;
max = AvFILL(dl_resolve_using);
for (i = 0; i <= max; i++) {
char *sym = SvPVX(*av_fetch(dl_resolve_using, i, 0));
- DLDEBUG(1,PerlIO_printf(PerlIO_stderr(), "dl_load_file(%s) (dependent)\n", sym));
- obj = shl_load(sym, bind_type | BIND_NOSTART, 0L);
+ DLDEBUG(1,PerlIO_printf(Perl_debug_log, "dl_load_file(%s) (dependent)\n", sym));
+ obj = shl_load(sym, bind_type, 0L);
if (obj == NULL) {
goto end;
}
}
- DLDEBUG(1,PerlIO_printf(PerlIO_stderr(), "dl_load_file(%s): ", filename));
- obj = shl_load(filename, bind_type | BIND_NOSTART, 0L);
+ DLDEBUG(1,PerlIO_printf(Perl_debug_log, "dl_load_file(%s): ", filename));
+ obj = shl_load(filename, bind_type, 0L);
- DLDEBUG(2,PerlIO_printf(PerlIO_stderr(), " libref=%x\n", obj));
+ DLDEBUG(2,PerlIO_printf(Perl_debug_log, " libref=%x\n", obj));
end:
ST(0) = sv_newmortal() ;
if (obj == NULL)
- SaveError("%s",Strerror(errno));
+ SaveError(aTHX_ "%s",Strerror(errno));
else
- sv_setiv( ST(0), (IV)obj);
+ sv_setiv( ST(0), PTR2IV(obj) );
+
+
+int
+dl_unload_file(libref)
+ void * libref
+ CODE:
+ DLDEBUG(1,PerlIO_printf(Perl_debug_log, "dl_unload_file(%lx):\n", PTR2ul(libref)));
+ RETVAL = (shl_unload(libref) == 0 ? 1 : 0);
+ if (!RETVAL)
+ SaveError(aTHX_ "%s", Strerror(errno));
+ DLDEBUG(2,PerlIO_printf(Perl_debug_log, " retval = %d\n", RETVAL));
+ OUTPUT:
+ RETVAL
-void *
+void
dl_find_symbol(libhandle, symbolname)
void * libhandle
char * symbolname
void *symaddr = NULL;
int status;
#ifdef __hp9000s300
- char symbolname_buf[MAXPATHLEN];
- symbolname = dl_add_underscore(symbolname, symbolname_buf);
+ symbolname = Perl_form_nocontext("_%s", symbolname);
#endif
- DLDEBUG(2,PerlIO_printf(PerlIO_stderr(), "dl_find_symbol(handle=%x, symbol=%s)\n",
- libhandle, symbolname));
+ DLDEBUG(2, PerlIO_printf(Perl_debug_log,
+ "dl_find_symbol(handle=%lx, symbol=%s)\n",
+ (unsigned long) libhandle, symbolname));
+
ST(0) = sv_newmortal() ;
errno = 0;
status = shl_findsym(&obj, symbolname, TYPE_PROCEDURE, &symaddr);
- DLDEBUG(2,PerlIO_printf(PerlIO_stderr(), " symbolref(PROCEDURE) = %x\n", symaddr));
+ DLDEBUG(2,PerlIO_printf(Perl_debug_log, " symbolref(PROCEDURE) = %x\n", symaddr));
if (status == -1 && errno == 0) { /* try TYPE_DATA instead */
status = shl_findsym(&obj, symbolname, TYPE_DATA, &symaddr);
- DLDEBUG(2,PerlIO_printf(PerlIO_stderr(), " symbolref(DATA) = %x\n", symaddr));
+ DLDEBUG(2,PerlIO_printf(Perl_debug_log, " symbolref(DATA) = %x\n", symaddr));
}
if (status == -1) {
- SaveError("%s",(errno) ? Strerror(errno) : "Symbol not found") ;
+ SaveError(aTHX_ "%s",(errno) ? Strerror(errno) : "Symbol not found") ;
} else {
- sv_setiv( ST(0), (IV)symaddr);
+ sv_setiv( ST(0), PTR2IV(symaddr) );
}
void
dl_undef_symbols()
- PPCODE:
+ CODE:
dl_install_xsub(perl_name, symref, filename="$Package")
char * perl_name
void * symref
- char * filename
+ const char * filename
CODE:
- DLDEBUG(2,PerlIO_printf(PerlIO_stderr(), "dl_install_xsub(name=%s, symref=%x)\n",
+ DLDEBUG(2,PerlIO_printf(Perl_debug_log, "dl_install_xsub(name=%s, symref=%x)\n",
perl_name, symref));
- ST(0)=sv_2mortal(newRV((SV*)newXS(perl_name, (void(*)())symref, filename)));
-
+ ST(0) = sv_2mortal(newRV((SV*)newXS_flags(perl_name,
+ (void(*)(pTHX_ CV *))symref,
+ filename, NULL,
+ XS_DYNAMIC_FILENAME)));
char *
dl_error()
CODE:
- RETVAL = LastError ;
+ dMY_CXT;
+ RETVAL = dl_last_error ;
OUTPUT:
RETVAL
+#if defined(USE_ITHREADS)
+
+void
+CLONE(...)
+ CODE:
+ MY_CXT_CLONE;
+
+ /* MY_CXT_CLONE just does a memcpy on the whole structure, so to avoid
+ * using Perl variables that belong to another thread, we create our
+ * own for this thread.
+ */
+ MY_CXT.x_dl_last_error = newSVpvn("", 0);
+ dl_resolve_using = get_av("DynaLoader::dl_resolve_using", GV_ADDMULTI);
+
+#endif
+
# end.
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