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-rw-r--r--runtime/debug.c74
1 files changed, 46 insertions, 28 deletions
diff --git a/runtime/debug.c b/runtime/debug.c
index 62e2a687..fb751efb 100644
--- a/runtime/debug.c
+++ b/runtime/debug.c
@@ -1,3 +1,4 @@
+#include <sys/syscall.h>
/* debug.c
*
* This file proides debug and run time error analysis support. Some of the
@@ -731,6 +732,8 @@ static void dbgGetThrdName(char *pszBuf, size_t lenBuf, pthread_t thrd, int bInc
*/
void dbgSetThrdName(uchar *pszName)
{
+return;
+
dbgThrdInfo_t *pThrd = dbgGetThrdInfo();
if(pThrd->pszThrdName != NULL)
free(pThrd->pszThrdName);
@@ -775,7 +778,7 @@ static void dbgCallStackPrint(dbgThrdInfo_t *pThrd)
/* print all threads call stacks
*/
-static void dbgCallStackPrintAll(void)
+void dbgCallStackPrintAll(void)
{
dbgThrdInfo_t *pThrd;
/* stack info */
@@ -827,13 +830,12 @@ sigsegvHdlr(int signum)
abort();
}
-#if 1
-#pragma GCC diagnostic ignored "-Wempty-body"
-/* write the debug message. This is a helper to dbgprintf and dbgoprint which
- * contains common code. added 2008-09-26 rgerhards
+/* actually write the debug message. This is a separate fuction because the cleanup_push/_pop
+ * interface otherwise is unsafe to use (generates compiler warnings at least).
+ * 2009-05-20 rgerhards
*/
-static void
-dbgprint(obj_t *pObj, char *pszMsg, size_t lenMsg)
+static inline void
+do_dbgprint(uchar *pszObjName, char *pszMsg, size_t lenMsg)
{
static pthread_t ptLastThrdID = 0;
static int bWasNL = 0;
@@ -841,20 +843,6 @@ dbgprint(obj_t *pObj, char *pszMsg, size_t lenMsg)
char pszWriteBuf[1024];
size_t lenWriteBuf;
struct timespec t;
- uchar *pszObjName = NULL;
-
- /* we must get the object name before we lock the mutex, because the object
- * potentially calls back into us. If we locked the mutex, we would deadlock
- * ourselfs. On the other hand, the GetName call needs not to be protected, as
- * this thread has a valid reference. If such an object is deleted by another
- * thread, we are in much more trouble than just for dbgprint(). -- rgerhards, 2008-09-26
- */
- if(pObj != NULL) {
- pszObjName = obj.GetName(pObj);
- }
-
- pthread_mutex_lock(&mutdbgprint);
- pthread_cleanup_push(dbgMutexCancelCleanupHdlr, &mutdbgprint);
/* The bWasNL handler does not really work. It works if no thread
* switching occurs during non-NL messages. Else, things are messed
@@ -886,7 +874,9 @@ dbgprint(obj_t *pObj, char *pszMsg, size_t lenMsg)
if(stddbg != -1) write(stddbg, pszWriteBuf, lenWriteBuf);
if(altdbg != -1) write(altdbg, pszWriteBuf, lenWriteBuf);
}
+
lenWriteBuf = snprintf(pszWriteBuf, sizeof(pszWriteBuf), "%s: ", pszThrdName);
+ // use for testing: lenWriteBuf = snprintf(pszWriteBuf, sizeof(pszWriteBuf), "{%ld}%s: ", (long) syscall(SYS_gettid), pszThrdName);
if(stddbg != -1) write(stddbg, pszWriteBuf, lenWriteBuf);
if(altdbg != -1) write(altdbg, pszWriteBuf, lenWriteBuf);
/* print object name header if we have an object */
@@ -900,11 +890,35 @@ dbgprint(obj_t *pObj, char *pszMsg, size_t lenMsg)
if(altdbg != -1) write(altdbg, pszMsg, lenMsg);
bWasNL = (pszMsg[lenMsg - 1] == '\n') ? 1 : 0;
+}
+
+#pragma GCC diagnostic ignored "-Wempty-body"
+/* write the debug message. This is a helper to dbgprintf and dbgoprint which
+ * contains common code. added 2008-09-26 rgerhards
+ */
+static void
+dbgprint(obj_t *pObj, char *pszMsg, size_t lenMsg)
+{
+ uchar *pszObjName = NULL;
+
+ /* we must get the object name before we lock the mutex, because the object
+ * potentially calls back into us. If we locked the mutex, we would deadlock
+ * ourselfs. On the other hand, the GetName call needs not to be protected, as
+ * this thread has a valid reference. If such an object is deleted by another
+ * thread, we are in much more trouble than just for dbgprint(). -- rgerhards, 2008-09-26
+ */
+ if(pObj != NULL) {
+ pszObjName = obj.GetName(pObj);
+ }
+
+ pthread_mutex_lock(&mutdbgprint);
+ pthread_cleanup_push(dbgMutexCancelCleanupHdlr, &mutdbgprint);
+
+ do_dbgprint(pszObjName, pszMsg, lenMsg);
pthread_cleanup_pop(1);
}
#pragma GCC diagnostic warning "-Wempty-body"
-#endif
/* print some debug output when an object is given
* This is mostly a copy of dbgprintf, but I do not know how to combine it
@@ -1047,7 +1061,9 @@ int dbgEntrFunc(dbgFuncDB_t **ppFuncDB, const char *file, const char *func, int
/* when we reach this point, we have a fully-initialized FuncDB! */
ATOMIC_INC(pFuncDB->nTimesCalled);
if(bLogFuncFlow && dbgPrintNameIsInList((const uchar*)pFuncDB->file, printNameFileRoot))
- dbgprintf("%s:%d: %s: enter\n", pFuncDB->file, pFuncDB->line, pFuncDB->func);
+ if(strcmp(pFuncDB->file, "stringbuf.c")) { /* TODO: make configurable */
+ dbgprintf("%s:%d: %s: enter\n", pFuncDB->file, pFuncDB->line, pFuncDB->func);
+ }
if(pThrd->stackPtr >= (int) (sizeof(pThrd->callStack) / sizeof(dbgFuncDB_t*))) {
dbgprintf("%s:%d: %s: debug module: call stack for this thread full, suspending call tracking\n",
pFuncDB->file, pFuncDB->line, pFuncDB->func);
@@ -1077,10 +1093,12 @@ void dbgExitFunc(dbgFuncDB_t *pFuncDB, int iStackPtrRestore, int iRet)
dbgFuncDBPrintActiveMutexes(pFuncDB, "WARNING: mutex still owned by us as we exit function, mutex: ", pthread_self());
if(bLogFuncFlow && dbgPrintNameIsInList((const uchar*)pFuncDB->file, printNameFileRoot)) {
- if(iRet == RS_RET_NO_IRET)
- dbgprintf("%s:%d: %s: exit: (no iRet)\n", pFuncDB->file, pFuncDB->line, pFuncDB->func);
- else
- dbgprintf("%s:%d: %s: exit: %d\n", pFuncDB->file, pFuncDB->line, pFuncDB->func, iRet);
+ if(strcmp(pFuncDB->file, "stringbuf.c")) { /* TODO: make configurable */
+ if(iRet == RS_RET_NO_IRET)
+ dbgprintf("%s:%d: %s: exit: (no iRet)\n", pFuncDB->file, pFuncDB->line, pFuncDB->func);
+ else
+ dbgprintf("%s:%d: %s: exit: %d\n", pFuncDB->file, pFuncDB->line, pFuncDB->func, iRet);
+ }
}
pThrd->stackPtr = iStackPtrRestore;
if(pThrd->stackPtr < 0) {
@@ -1340,7 +1358,7 @@ rsRetVal dbgClassInit(void)
if(pszAltDbgFileName != NULL) {
/* we have a secondary file, so let's open it) */
- if((altdbg = open(pszAltDbgFileName, O_WRONLY|O_CREAT|O_TRUNC|O_NOCTTY, S_IRUSR|S_IWUSR)) == -1) {
+ if((altdbg = open(pszAltDbgFileName, O_WRONLY|O_CREAT|O_TRUNC|O_NOCTTY|O_CLOEXEC, S_IRUSR|S_IWUSR)) == -1) {
fprintf(stderr, "alternate debug file could not be opened, ignoring. Error: %s\n", strerror(errno));
}
}