/[LeafOK_CVS]/lbbs/src/menu.c
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Diff of /lbbs/src/menu.c

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Revision 1.73 by sysadm, Mon Oct 13 07:13:39 2025 UTC Revision 1.77 by sysadm, Wed Oct 29 05:30:05 2025 UTC
# Line 38  Line 38 
38    
39  #define MENU_SET_RESERVED_LENGTH (sizeof(int16_t) * 4)  #define MENU_SET_RESERVED_LENGTH (sizeof(int16_t) * 4)
40    
41    #define MENU_SHMGET_RETRY_LIMIT 3
42    
43  MENU_SET bbs_menu;  MENU_SET bbs_menu;
44  MENU_SET top10_menu;  MENU_SET top10_menu;
45    
# Line 60  int load_menu(MENU_SET *p_menu_set, cons Line 62  int load_menu(MENU_SET *p_menu_set, cons
62          int proj_id;          int proj_id;
63          key_t key;          key_t key;
64          size_t size;          size_t size;
65            int retry_cnt;
66    
67          // Initialize the data structure          // Initialize the data structure
68          memset(p_menu_set, 0, sizeof(*p_menu_set));          memset(p_menu_set, 0, sizeof(*p_menu_set));
# Line 87  int load_menu(MENU_SET *p_menu_set, cons Line 90  int load_menu(MENU_SET *p_menu_set, cons
90          }          }
91    
92          // Allocate shared memory          // Allocate shared memory
         proj_id = (int)(time(NULL) % getpid());  
         key = ftok(conf_file, proj_id);  
         if (key == -1)  
         {  
                 log_error("ftok(%s %d) error (%d)\n", conf_file, proj_id, errno);  
                 return -2;  
         }  
   
93          size = MENU_SET_RESERVED_LENGTH +          size = MENU_SET_RESERVED_LENGTH +
94                     sizeof(MENU) * MAX_MENUS +                     sizeof(MENU) * MAX_MENUS +
95                     sizeof(MENU_ITEM) * MAX_MENUITEMS +                     sizeof(MENU_ITEM) * MAX_MENUITEMS +
96                     sizeof(MENU_SCREEN) * MAX_MENUS +                     sizeof(MENU_SCREEN) * MAX_MENUS +
97                     MAX_MENU_SCR_BUF_LENGTH * MAX_MENUS;                     MAX_MENU_SCR_BUF_LENGTH * MAX_MENUS;
98          p_menu_set->shmid = shmget(key, size, IPC_CREAT | IPC_EXCL | 0600);  
99          if (p_menu_set->shmid == -1)          proj_id = (int)(time(NULL) % getpid());
100            retry_cnt = 0;
101    
102            do
103          {          {
104                  log_error("shmget(size = %d) error (%d)\n", size, errno);                  key = ftok(conf_file, proj_id + retry_cnt);
105                  return -3;                  if (key == -1)
106          }                  {
107                            log_error("ftok(%s %d) error (%d)\n", conf_file, proj_id, errno);
108                            return -2;
109                    }
110    
111                    p_menu_set->shmid = shmget(key, size, IPC_CREAT | IPC_EXCL | 0600);
112    
113                    if (p_menu_set->shmid == -1)
114                    {
115                            if (errno != EEXIST || retry_cnt + 1 >= MENU_SHMGET_RETRY_LIMIT)
116                            {
117                                    log_error("shmget(conf_file=%s, size=%d) error (%d) %d times\n",
118                                                      conf_file, size, errno, retry_cnt + 1);
119                                    break;
120                            }
121    #ifdef _DEBUG
122                            log_error("shmget(conf_file=%s, proj_id=%d, key=0x%x, size=%d) error (%d), retry ...\n",
123                                              conf_file, proj_id + retry_cnt, key, size, errno);
124    #endif                                    
125                            retry_cnt++;
126                    }
127            } while (p_menu_set->shmid == -1);
128    
129          p_menu_set->p_reserved = shmat(p_menu_set->shmid, NULL, 0);          p_menu_set->p_reserved = shmat(p_menu_set->shmid, NULL, 0);
130          if (p_menu_set->p_reserved == (void *)-1)          if (p_menu_set->p_reserved == (void *)-1)
131          {          {
132                  log_error("shmat() error (%d)\n", errno);                  log_error("shmat() error (%d)\n", errno);
133                  return -3;                  return -3;
134          }          }
135          p_menu_set->p_menu_pool = p_menu_set->p_reserved + MENU_SET_RESERVED_LENGTH;  
136          p_menu_set->p_menu_item_pool = p_menu_set->p_menu_pool + sizeof(MENU) * MAX_MENUS;          p_menu_set->p_menu_pool = (char *)(p_menu_set->p_reserved) + MENU_SET_RESERVED_LENGTH;
137          p_menu_set->p_menu_screen_pool = p_menu_set->p_menu_item_pool + sizeof(MENU_ITEM) * MAX_MENUITEMS;          p_menu_set->p_menu_item_pool = (char *)(p_menu_set->p_menu_pool) + sizeof(MENU) * MAX_MENUS;
138          p_menu_set->p_menu_screen_buf = p_menu_set->p_menu_screen_pool + sizeof(MENU_SCREEN) * MAX_MENUS;          p_menu_set->p_menu_screen_pool = (char *)(p_menu_set->p_menu_item_pool) + sizeof(MENU_ITEM) * MAX_MENUITEMS;
139            p_menu_set->p_menu_screen_buf = (char *)(p_menu_set->p_menu_screen_pool) + sizeof(MENU_SCREEN) * MAX_MENUS;
140          p_menu_set->p_menu_screen_buf_free = p_menu_set->p_menu_screen_buf;          p_menu_set->p_menu_screen_buf_free = p_menu_set->p_menu_screen_buf;
141    
142          p_menu_set->menu_count = 0;          p_menu_set->menu_count = 0;
# Line 989  int display_menu(MENU_SET *p_menu_set) Line 1010  int display_menu(MENU_SET *p_menu_set)
1010                  return EXITMENU;                  return EXITMENU;
1011          }          }
1012    
1013          if(p_menu->item_count <= 0) // empty menu          if (p_menu->item_count <= 0) // empty menu
1014          {          {
1015                  moveto(p_menu->screen_row, p_menu->screen_col);                  moveto(p_menu->screen_row, p_menu->screen_col);
1016                  clrtoeol();                  clrtoeol();
# Line 1141  int menu_control(MENU_SET *p_menu_set, i Line 1162  int menu_control(MENU_SET *p_menu_set, i
1162          switch (key)          switch (key)
1163          {          {
1164          case CR:          case CR:
                 igetch_reset();  
1165          case KEY_RIGHT:          case KEY_RIGHT:
1166                  if (p_menu_item->submenu)                  if (p_menu_item->submenu)
1167                  {                  {
# Line 1396  int get_menu_shm_readonly(MENU_SET *p_me Line 1416  int get_menu_shm_readonly(MENU_SET *p_me
1416          }          }
1417    
1418          p_menu_set->p_reserved = p_shm;          p_menu_set->p_reserved = p_shm;
1419          p_menu_set->p_menu_pool = p_menu_set->p_reserved + MENU_SET_RESERVED_LENGTH;          p_menu_set->p_menu_pool = (char *)(p_menu_set->p_reserved) + MENU_SET_RESERVED_LENGTH;
1420          p_menu_set->p_menu_item_pool = p_menu_set->p_menu_pool + sizeof(MENU) * MAX_MENUS;          p_menu_set->p_menu_item_pool = (char *)(p_menu_set->p_menu_pool) + sizeof(MENU) * MAX_MENUS;
1421          p_menu_set->p_menu_screen_pool = p_menu_set->p_menu_item_pool + sizeof(MENU_ITEM) * MAX_MENUITEMS;          p_menu_set->p_menu_screen_pool = (char *)(p_menu_set->p_menu_item_pool) + sizeof(MENU_ITEM) * MAX_MENUITEMS;
1422          p_menu_set->p_menu_screen_buf = p_menu_set->p_menu_screen_pool + sizeof(MENU_SCREEN) * MAX_MENUS;          p_menu_set->p_menu_screen_buf = (char *)(p_menu_set->p_menu_screen_pool) + sizeof(MENU_SCREEN) * MAX_MENUS;
1423          p_menu_set->p_menu_screen_buf_free = p_menu_set->p_menu_screen_buf;          p_menu_set->p_menu_screen_buf_free = p_menu_set->p_menu_screen_buf;
1424    
1425          p_menu_set->choose_step = 0;          p_menu_set->choose_step = 0;

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