AppPkg/Applications/Python/Python-2.7.2/Python/dynload_hpux.c

   1
   2 /* Support for dynamic loading of extension modules */
   3
   4 #include "dl.h"
   5 #include <errno.h>
   6
   7 #include "Python.h"
   8 #include "importdl.h"
   9
  10 #if defined(__hp9000s300)
  11 #define FUNCNAME_PATTERN "_init%.200s"
  12 #else
  13 #define FUNCNAME_PATTERN "init%.200s"
  14 #endif
  15
  16 const struct filedescr _PyImport_DynLoadFiletab[] = {
  17     {SHLIB_EXT, "rb", C_EXTENSION},
  18     {"module"SHLIB_EXT, "rb", C_EXTENSION},
  19     {0, 0}
  20 };
  21
  22 dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
  23                                     const char *pathname, FILE *fp)
  24 {
  25     dl_funcptr p;
  26     shl_t lib;
  27     int flags;
  28     char funcname[258];
  29
  30     flags = BIND_FIRST | BIND_DEFERRED;
  31     if (Py_VerboseFlag) {
  32         flags = BIND_FIRST | BIND_IMMEDIATE |
  33             BIND_NONFATAL | BIND_VERBOSE;
  34         printf("shl_load %s\n",pathname);
  35     }
  36     lib = shl_load(pathname, flags, 0);
  37     /* XXX Chuck Blake once wrote that 0 should be BIND_NOSTART? */
  38     if (lib == NULL) {
  39         char buf[256];
  40         if (Py_VerboseFlag)
  41             perror(pathname);
  42         PyOS_snprintf(buf, sizeof(buf), "Failed to load %.200s",
  43                       pathname);
  44         PyErr_SetString(PyExc_ImportError, buf);
  45         return NULL;
  46     }
  47     PyOS_snprintf(funcname, sizeof(funcname), FUNCNAME_PATTERN, shortname);
  48     if (Py_VerboseFlag)
  49         printf("shl_findsym %s\n", funcname);
  50     if (shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p) == -1) {
  51         shl_unload(lib);
  52         p = NULL;
  53     }
  54     if (p == NULL && Py_VerboseFlag)
  55         perror(funcname);
  56
  57     return p;
  58 }