diff options
Diffstat (limited to 'java/src/jni/exceptionImp.c')
| -rw-r--r-- | java/src/jni/exceptionImp.c | 206 |
1 files changed, 131 insertions, 75 deletions
diff --git a/java/src/jni/exceptionImp.c b/java/src/jni/exceptionImp.c index ccda0d2..0faa0cc 100644 --- a/java/src/jni/exceptionImp.c +++ b/java/src/jni/exceptionImp.c @@ -33,21 +33,14 @@ extern "C" { #include "h5jni.h" #include "exceptionImp.h" -extern H5E_auto2_t efunc; -extern void *edata; +extern H5E_auto2_t efunc; +extern void *edata; /*******************/ /* Local Variables */ /*******************/ -/* These types are copied from H5Eprivate.h - * They should be moved to a public include file, and deleted from - * here. - */ - -#define H5E_NSLOTS 32 /*number of slots in an error stack */ - /* * The list of error messages in the system is kept as an array of * error_code/message pairs, one for major error numbers and another for @@ -73,29 +66,29 @@ typedef struct H5E_num_t { /* Local Macros */ /********************/ -#define THROWEXCEPTION(className,args) { \ - jclass jc; \ - jmethodID jm; \ - jobject ex; \ - jc = ENVPTR->FindClass(ENVPAR (className)); \ - if (jc == NULL) { \ - return JNI_FALSE; \ - } \ - jm = ENVPTR->GetMethodID(ENVPAR jc, "<init>", "(Ljava/lang/String;)V"); \ - if (jm == NULL) { \ - printf("THROWEXCEPTION FATAL ERROR: GetMethodID failed\n"); \ - return JNI_FALSE; \ - } \ - ex = ENVPTR->NewObjectA (ENVPAR jc, jm, (jvalue*)(args)); \ - if (ex == NULL) { \ - printf("THROWEXCEPTION FATAL ERROR: %s: Creation failed\n", (className)); \ - return JNI_FALSE; \ - } \ - if (ENVPTR->Throw(ENVPAR (jthrowable)ex) < 0) { \ - printf("THROWEXCEPTION FATAL ERROR: %s: Throw failed\n", (className)); \ - return JNI_FALSE; \ - } \ - return JNI_TRUE; \ +#define THROWEXCEPTION(className, args) \ +{ \ + jmethodID jm; \ + jclass jc; \ + jobject ex; \ + \ + if (NULL == (jc = ENVPTR->FindClass(ENVONLY, (className)))) \ + CHECK_JNI_EXCEPTION(ENVONLY, JNI_FALSE); \ + \ + if (NULL == (jm = ENVPTR->GetMethodID(ENVONLY, jc, "<init>", "(Ljava/lang/String;)V"))) { \ + HDprintf("THROWEXCEPTION FATAL ERROR: GetMethodID failed\n"); \ + CHECK_JNI_EXCEPTION(ENVONLY, JNI_FALSE); \ + } \ + \ + if (NULL == (ex = ENVPTR->NewObjectA(ENVONLY, jc, jm, (jvalue *)(args)))) { \ + HDprintf("THROWEXCEPTION FATAL ERROR: Class %s: Creation failed\n", (className)); \ + CHECK_JNI_EXCEPTION(ENVONLY, JNI_FALSE); \ + } \ + \ + if (ENVPTR->Throw(ENVONLY, (jthrowable)ex) < 0) { \ + HDprintf("THROWEXCEPTION FATAL ERROR: Class %s: Throw failed\n", (className)); \ + CHECK_JNI_EXCEPTION(ENVONLY, JNI_FALSE); \ + } \ } /********************/ @@ -112,7 +105,9 @@ walk_error_callback { H5E_num_t *err_nums = (H5E_num_t *)_err_nums; - if(err_desc) { + UNUSED(n); + + if (err_desc) { err_nums->maj_num = err_desc->maj_num; err_nums->min_num = err_desc->min_num; } /* end if */ @@ -130,8 +125,15 @@ JNIEXPORT jint JNICALL Java_hdf_hdf5lib_H5_H5error_1off (JNIEnv *env, jclass clss) { - H5Eget_auto2(H5E_DEFAULT, &efunc, &edata); - H5Eset_auto2(H5E_DEFAULT, NULL, NULL); + UNUSED(env); + UNUSED(clss); + + if (H5Eget_auto2(H5E_DEFAULT, &efunc, &edata) < 0) + return -1; + + if (H5Eset_auto2(H5E_DEFAULT, NULL, NULL) < 0) + return -1; + return 0; } /* end Java_hdf_hdf5lib_H5_H5error_1off() */ @@ -145,10 +147,12 @@ JNIEXPORT void JNICALL Java_hdf_hdf5lib_H5_H5error_1on (JNIEnv *env, jclass clss) { + UNUSED(env); + UNUSED(clss); + H5Eset_auto2(H5E_DEFAULT, efunc, edata); } /* end Java_hdf_hdf5lib_H5_H5error_1on() */ - /* * Class: hdf_hdf5lib_exceptions_HDFLibraryException * Method: printStackTrace0 @@ -163,18 +167,25 @@ Java_hdf_hdf5lib_exceptions_HDF5LibraryException_printStackTrace0 FILE *stream = NULL; const char *file = NULL; - if(file_name == NULL) { + UNUSED(obj); + + if (NULL == file_name) { H5Eprint2(H5E_DEFAULT, stderr); - } /* end if */ + } else { - file = ENVPTR->GetStringUTFChars(ENVPAR file_name, 0); - stream = HDfopen(file, "a+"); - if(stream) { + PIN_JAVA_STRING(ENVONLY, file_name, file, NULL, "printStackTrace0: file name not pinned"); + + if ((stream = HDfopen(file, "a+"))) { H5Eprint2(H5E_DEFAULT, stream); HDfclose(stream); - } /* end if */ - ENVPTR->ReleaseStringUTFChars(ENVPAR file_name, file); - } /* end else */ + } + } + +done: + if (file) + UNPIN_JAVA_STRING(ENVONLY, file_name, file); + + return; } /* end Java_hdf_hdf5lib_exceptions_HDF5LibraryException_printStackTrace0() */ /* @@ -189,10 +200,15 @@ Java_hdf_hdf5lib_exceptions_HDF5LibraryException__1getMajorErrorNumber (JNIEnv *env, jobject obj) { H5E_num_t err_nums; + + UNUSED(env); + UNUSED(obj); + err_nums.maj_num = 0; err_nums.min_num = 0; - H5Ewalk2(H5E_DEFAULT, H5E_WALK_DOWNWARD, walk_error_callback, &err_nums); + if (H5Ewalk2(H5E_DEFAULT, H5E_WALK_DOWNWARD, walk_error_callback, &err_nums) < 0) + return -1; return err_nums.maj_num; } /* end Java_hdf_hdf5lib_exceptions_HDF5LibraryException__1getMajorErrorNumber() */ @@ -209,27 +225,42 @@ Java_hdf_hdf5lib_exceptions_HDF5LibraryException__1getMinorErrorNumber (JNIEnv *env, jobject obj) { H5E_num_t err_nums; + + UNUSED(env); + UNUSED(obj); + err_nums.maj_num = 0; err_nums.min_num = 0; - H5Ewalk2(H5E_DEFAULT, H5E_WALK_DOWNWARD, walk_error_callback, &err_nums); + if (H5Ewalk2(H5E_DEFAULT, H5E_WALK_DOWNWARD, walk_error_callback, &err_nums) < 0) + return -1; return err_nums.min_num; } /* end Java_hdf_hdf5lib_exceptions_HDF5LibraryException__1getMinorErrorNumber() */ /* - * Routine to raise particular Java exceptions from C + * Routine to raise particular Java exceptions from C. */ static jboolean H5JNIErrorClass (JNIEnv *env, const char *message, const char *className) { - char *args[2]; - jstring str = ENVPTR->NewStringUTF(ENVPAR message); - args[0] = (char *)str; + jstring str; + char *args[2]; + jboolean retVal = JNI_FALSE; + + if (NULL == (str = ENVPTR->NewStringUTF(ENVONLY, message))) + CHECK_JNI_EXCEPTION(ENVONLY, JNI_FALSE); + + args[0] = (char *) str; args[1] = 0; THROWEXCEPTION(className, args); + + retVal = JNI_TRUE; + +done: + return retVal; } /* end H5JNIErrorClass() */ /* @@ -316,7 +347,7 @@ h5unimplemented */ jboolean h5raiseException - (JNIEnv *env, const char *exception, const char *message) + (JNIEnv *env, const char *message, const char *exception) { return H5JNIErrorClass(env, message, exception); } /* end h5raiseException() */ @@ -336,51 +367,76 @@ jboolean h5libraryError (JNIEnv *env) { - char *args[2]; const char *exception = NULL; - char *msg_str = NULL; - int num_errs = 0; - hid_t min_num; - hid_t maj_num; - ssize_t msg_size = 0; H5E_type_t error_msg_type; - jstring str = NULL; - hid_t stk_id = -1; H5E_num_t exceptionNumbers; + jstring str = NULL; + ssize_t msg_size = 0; + hid_t min_num; + hid_t maj_num; + hid_t stk_id = H5I_INVALID_HID; + char *args[2]; + char *msg_str = NULL; + jboolean retVal = JNI_FALSE; exceptionNumbers.maj_num = 0; exceptionNumbers.min_num = 0; /* Save current stack contents for future use */ - stk_id = H5Eget_current_stack(); /* This will clear current stack */ - if(stk_id >= 0) - H5Ewalk2(stk_id, H5E_WALK_DOWNWARD, walk_error_callback, &exceptionNumbers); + if ((stk_id = H5Eget_current_stack()) >= 0) + /* This will clear current stack */ + if (H5Ewalk2(stk_id, H5E_WALK_DOWNWARD, walk_error_callback, &exceptionNumbers) < 0) + goto done; + maj_num = exceptionNumbers.maj_num; min_num = exceptionNumbers.min_num; + /* + * TODO: handle < 0 case. + */ + + /* + * No error detected in HDF5 error stack. + */ + if (!maj_num && !min_num) + goto done; + exception = defineHDF5LibraryException(maj_num); /* get the length of the name */ - msg_size = H5Eget_msg(min_num, NULL, NULL, 0); - if(msg_size > 0) { - msg_size++; /* add extra space for the null terminator */ - msg_str = (char*)HDcalloc((size_t)msg_size, sizeof(char)); - if(msg_str) { - msg_size = H5Eget_msg(min_num, &error_msg_type, (char *)msg_str, (size_t)msg_size); - str = ENVPTR->NewStringUTF(ENVPAR msg_str); - HDfree(msg_str); - } /* end if */ - } /* end if */ + if ((msg_size = H5Eget_msg(min_num, NULL, NULL, 0)) < 0) + goto done; + + if (msg_size > 0) { + if (NULL == (msg_str = (char *) HDcalloc((size_t)msg_size + 1, sizeof(char)))) + H5_JNI_FATAL_ERROR(ENVONLY, "h5libraryerror: failed to allocate buffer for error message"); + + if ((msg_size = H5Eget_msg(min_num, &error_msg_type, msg_str, (size_t)msg_size + 1)) < 0) + goto done; + msg_str[msg_size] = '\0'; + + if (NULL == (str = ENVPTR->NewStringUTF(ENVONLY, msg_str))) + CHECK_JNI_EXCEPTION(ENVONLY, JNI_FALSE); + } else str = NULL; - if(stk_id >= 0) + + if (stk_id >= 0) H5Eset_current_stack(stk_id); - args[0] = (char *)str; + args[0] = (char *) str; args[1] = 0; + THROWEXCEPTION(exception, args); -} /* end h5libraryError() */ + retVal = JNI_TRUE; + +done: + if (msg_str) + HDfree(msg_str); + + return retVal; +} /* end h5libraryError() */ /* * defineHDF5LibraryException() returns the name of the sub-class |