diff options
Diffstat (limited to 'dbug')
-rw-r--r-- | dbug/dbug.c | 224 |
1 files changed, 122 insertions, 102 deletions
diff --git a/dbug/dbug.c b/dbug/dbug.c index ce692552045..ef63f660543 100644 --- a/dbug/dbug.c +++ b/dbug/dbug.c @@ -258,7 +258,7 @@ static void DBUGCloseFile(CODE_STATE *cs, FILE *fp); /* Push current debug settings */ static void PushState(CODE_STATE *cs); /* Free memory associated with debug state. */ -static void FreeState (CODE_STATE *cs, struct settings *state); +static void FreeState (CODE_STATE *cs, struct settings *state, int free_state); /* Test for tracing enabled */ static BOOLEAN DoTrace(CODE_STATE *cs); @@ -396,7 +396,7 @@ static CODE_STATE *code_state(void) * * SYNOPSIS * - * VOID _db_push_(name) + * VOID _process_(name) * char *name; * */ @@ -448,49 +448,51 @@ void _db_set_(CODE_STATE *cs, const char *control) { const char *end; int rel=0; + struct settings *stack; get_code_state_or_return; + stack= cs->stack; if (control[0] == '-' && control[1] == '#') control+=2; rel= control[0] == '+' || control[0] == '-'; - if (!rel || (!cs->stack->out_file && !cs->stack->next)) + if ((!rel || (!stack->out_file && !stack->next))) { - cs->stack->flags= 0; - cs->stack->delay= 0; - cs->stack->maxdepth= 0; - cs->stack->sub_level= 0; - cs->stack->out_file= stderr; - cs->stack->prof_file= NULL; - cs->stack->functions= NULL; - cs->stack->p_functions= NULL; - cs->stack->keywords= NULL; - cs->stack->processes= NULL; + stack->flags= 0; + stack->delay= 0; + stack->maxdepth= 0; + stack->sub_level= 0; + stack->out_file= stderr; + stack->prof_file= NULL; + stack->functions= NULL; + stack->p_functions= NULL; + stack->keywords= NULL; + stack->processes= NULL; } - else if (!cs->stack->out_file) + else if (!stack->out_file) { - cs->stack->flags= cs->stack->next->flags; - cs->stack->delay= cs->stack->next->delay; - cs->stack->maxdepth= cs->stack->next->maxdepth; - cs->stack->sub_level= cs->stack->next->sub_level; - strcpy(cs->stack->name, cs->stack->next->name); - cs->stack->out_file= cs->stack->next->out_file; - cs->stack->prof_file= cs->stack->next->prof_file; - if (cs->stack->next == &init_settings) + stack->flags= stack->next->flags; + stack->delay= stack->next->delay; + stack->maxdepth= stack->next->maxdepth; + stack->sub_level= stack->next->sub_level; + strcpy(stack->name, stack->next->name); + stack->out_file= stack->next->out_file; + stack->prof_file= stack->next->prof_file; + if (stack->next == &init_settings) { /* never share with the global parent - it can change under your feet */ - cs->stack->functions= ListCopy(init_settings.functions); - cs->stack->p_functions= ListCopy(init_settings.p_functions); - cs->stack->keywords= ListCopy(init_settings.keywords); - cs->stack->processes= ListCopy(init_settings.processes); + stack->functions= ListCopy(init_settings.functions); + stack->p_functions= ListCopy(init_settings.p_functions); + stack->keywords= ListCopy(init_settings.keywords); + stack->processes= ListCopy(init_settings.processes); } else { - cs->stack->functions= cs->stack->next->functions; - cs->stack->p_functions= cs->stack->next->p_functions; - cs->stack->keywords= cs->stack->next->keywords; - cs->stack->processes= cs->stack->next->processes; + stack->functions= stack->next->functions; + stack->p_functions= stack->next->p_functions; + stack->keywords= stack->next->keywords; + stack->processes= stack->next->processes; } } @@ -507,158 +509,158 @@ void _db_set_(CODE_STATE *cs, const char *control) case 'd': if (sign < 0 && control == end) { - if (!is_shared(cs->stack, keywords)) - FreeList(cs->stack->keywords); - cs->stack->keywords=NULL; - cs->stack->flags &= ~DEBUG_ON; + if (!is_shared(stack, keywords)) + FreeList(stack->keywords); + stack->keywords=NULL; + stack->flags &= ~DEBUG_ON; break; } - if (rel && is_shared(cs->stack, keywords)) - cs->stack->keywords= ListCopy(cs->stack->keywords); + if (rel && is_shared(stack, keywords)) + stack->keywords= ListCopy(stack->keywords); if (sign < 0) { if (DEBUGGING) - cs->stack->keywords= ListDel(cs->stack->keywords, control, end); + stack->keywords= ListDel(stack->keywords, control, end); break; } - cs->stack->keywords= ListAdd(cs->stack->keywords, control, end); - cs->stack->flags |= DEBUG_ON; + stack->keywords= ListAdd(stack->keywords, control, end); + stack->flags |= DEBUG_ON; break; case 'D': - cs->stack->delay= atoi(control); + stack->delay= atoi(control); break; case 'f': if (sign < 0 && control == end) { - if (!is_shared(cs->stack,functions)) - FreeList(cs->stack->functions); - cs->stack->functions=NULL; + if (!is_shared(stack,functions)) + FreeList(stack->functions); + stack->functions=NULL; break; } - if (rel && is_shared(cs->stack,functions)) - cs->stack->functions= ListCopy(cs->stack->functions); + if (rel && is_shared(stack,functions)) + stack->functions= ListCopy(stack->functions); if (sign < 0) - cs->stack->functions= ListDel(cs->stack->functions, control, end); + stack->functions= ListDel(stack->functions, control, end); else - cs->stack->functions= ListAdd(cs->stack->functions, control, end); + stack->functions= ListAdd(stack->functions, control, end); break; case 'F': if (sign < 0) - cs->stack->flags &= ~FILE_ON; + stack->flags &= ~FILE_ON; else - cs->stack->flags |= FILE_ON; + stack->flags |= FILE_ON; break; case 'i': if (sign < 0) - cs->stack->flags &= ~PID_ON; + stack->flags &= ~PID_ON; else - cs->stack->flags |= PID_ON; + stack->flags |= PID_ON; break; #ifndef THREAD case 'g': if (OpenProfile(cs, PROF_FILE)) { - cs->stack->flags |= PROFILE_ON; - cs->stack->p_functions= ListAdd(cs->stack->p_functions, control, end); + stack->flags |= PROFILE_ON; + stack->p_functions= ListAdd(stack->p_functions, control, end); } break; #endif case 'L': if (sign < 0) - cs->stack->flags &= ~LINE_ON; + stack->flags &= ~LINE_ON; else - cs->stack->flags |= LINE_ON; + stack->flags |= LINE_ON; break; case 'n': if (sign < 0) - cs->stack->flags &= ~DEPTH_ON; + stack->flags &= ~DEPTH_ON; else - cs->stack->flags |= DEPTH_ON; + stack->flags |= DEPTH_ON; break; case 'N': if (sign < 0) - cs->stack->flags &= ~NUMBER_ON; + stack->flags &= ~NUMBER_ON; else - cs->stack->flags |= NUMBER_ON; + stack->flags |= NUMBER_ON; break; case 'A': case 'O': - cs->stack->flags |= FLUSH_ON_WRITE; + stack->flags |= FLUSH_ON_WRITE; /* fall through */ case 'a': case 'o': if (sign < 0) { - if (!is_shared(cs->stack, out_file)) - DBUGCloseFile(cs, cs->stack->out_file); - cs->stack->flags &= ~FLUSH_ON_WRITE; - cs->stack->out_file= stderr; + if (!is_shared(stack, out_file)) + DBUGCloseFile(cs, stack->out_file); + stack->flags &= ~FLUSH_ON_WRITE; + stack->out_file= stderr; break; } if (c == 'a' || c == 'A') - cs->stack->flags |= OPEN_APPEND; + stack->flags |= OPEN_APPEND; else - cs->stack->flags &= ~OPEN_APPEND; + stack->flags &= ~OPEN_APPEND; if (control != end) - DBUGOpenFile(cs, control, end, cs->stack->flags & OPEN_APPEND); + DBUGOpenFile(cs, control, end, stack->flags & OPEN_APPEND); else DBUGOpenFile(cs, "-",0,0); break; case 'p': if (sign < 0 && control == end) { - if (!is_shared(cs->stack,processes)) - FreeList(cs->stack->processes); - cs->stack->processes=NULL; + if (!is_shared(stack,processes)) + FreeList(stack->processes); + stack->processes=NULL; break; } - if (rel && is_shared(cs->stack, processes)) - cs->stack->processes= ListCopy(cs->stack->processes); + if (rel && is_shared(stack, processes)) + stack->processes= ListCopy(stack->processes); if (sign < 0) - cs->stack->processes= ListDel(cs->stack->processes, control, end); + stack->processes= ListDel(stack->processes, control, end); else - cs->stack->processes= ListAdd(cs->stack->processes, control, end); + stack->processes= ListAdd(stack->processes, control, end); break; case 'P': if (sign < 0) - cs->stack->flags &= ~PROCESS_ON; + stack->flags &= ~PROCESS_ON; else - cs->stack->flags |= PROCESS_ON; + stack->flags |= PROCESS_ON; break; case 'r': - cs->stack->sub_level= cs->level; + stack->sub_level= cs->level; break; case 't': if (sign < 0) { if (control != end) - cs->stack->maxdepth-= atoi(control); + stack->maxdepth-= atoi(control); else - cs->stack->maxdepth= 0; + stack->maxdepth= 0; } else { if (control != end) - cs->stack->maxdepth+= atoi(control); + stack->maxdepth+= atoi(control); else - cs->stack->maxdepth= MAXDEPTH; + stack->maxdepth= MAXDEPTH; } - if (cs->stack->maxdepth > 0) - cs->stack->flags |= TRACE_ON; + if (stack->maxdepth > 0) + stack->flags |= TRACE_ON; else - cs->stack->flags &= ~TRACE_ON; + stack->flags &= ~TRACE_ON; break; case 'T': if (sign < 0) - cs->stack->flags &= ~TIMESTAMP_ON; + stack->flags &= ~TIMESTAMP_ON; else - cs->stack->flags |= TIMESTAMP_ON; + stack->flags |= TIMESTAMP_ON; break; case 'S': if (sign < 0) - cs->stack->flags &= ~SANITY_CHECK_ON; + stack->flags &= ~SANITY_CHECK_ON; else - cs->stack->flags |= SANITY_CHECK_ON; + stack->flags |= SANITY_CHECK_ON; break; } if (!*end) @@ -712,10 +714,10 @@ void _db_push_(const char *control) void _db_set_init_(const char *control) { - CODE_STATE cs; - bzero((char*) &cs,sizeof(cs)); - cs.stack=&init_settings; - _db_set_(&cs, control); + CODE_STATE tmp_cs; + bzero((char*) &tmp_cs, sizeof(tmp_cs)); + tmp_cs.stack= &init_settings; + _db_set_(&tmp_cs, control); } /* @@ -746,7 +748,7 @@ void _db_pop_() if (discard->next != NULL) { cs->stack= discard->next; - FreeState(cs, discard); + FreeState(cs, discard, 1); } } @@ -1426,16 +1428,15 @@ static void PushState(CODE_STATE *cs) * * static void FreeState (state) * struct state *state; + * int free_state; * * DESCRIPTION * * Deallocates the memory allocated for various information in a - * state. + * state. If free_state is set, also free 'state' * */ -static void FreeState ( -CODE_STATE *cs, -struct settings *state) +static void FreeState(CODE_STATE *cs, struct settings *state, int free_state) { if (!is_shared(state, keywords)) FreeList(state->keywords); @@ -1449,7 +1450,8 @@ struct settings *state) DBUGCloseFile(cs, state->out_file); if (state->prof_file) DBUGCloseFile(cs, state->prof_file); - free((char *) state); + if (free_state) + free((char *) state); } @@ -1470,19 +1472,37 @@ struct settings *state) * To be called at the very end of the program. * */ -void _db_end_ () +void _db_end_() { struct settings *discard; + static struct settings tmp; CODE_STATE *cs=0; get_code_state_or_return; - while((discard= cs->stack) != NULL) { - if(discard == &init_settings) + while ((discard= cs->stack)) + { + if (discard == &init_settings) break; cs->stack= discard->next; - FreeState (cs, discard); + FreeState(cs, discard, 1); } + tmp= init_settings; + + /* Use mutex lock to make it less likely anyone access out_file */ + pthread_mutex_lock(&THR_LOCK_dbug); + init_settings.flags= OPEN_APPEND; + init_settings.out_file= stderr; + init_settings.prof_file= stderr; + init_settings.maxdepth= 0; + init_settings.delay= 0; + init_settings.sub_level= 0; + init_settings.functions= 0; + init_settings.p_functions= 0; + init_settings.keywords= 0; + init_settings.processes= 0; + pthread_mutex_unlock(&THR_LOCK_dbug); + FreeState(cs, &tmp, 0); } |