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restore old implementation for shared znode info

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Vincent Wei
2020-01-14 12:09:12 +08:00
parent f479377b4e
commit 71459366d5
1 changed files with 120 additions and 0 deletions
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120
src/kernel/zorder.c
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@@ -100,6 +100,123 @@ inline static key_t get_layer_shm_key (void)
}
#endif
int kernel_alloc_z_order_info (int nr_topmosts, int nr_normals)
{
#if defined(_MGRM_PROCESSES)
key_t shm_key;
int zorder_shmid;
if ((shm_key = get_layer_shm_key ()) == -1) {
return -1;
}
zorder_shmid = shmget (shm_key,
sizeof (ZORDERINFO) + SIZE_USAGE_BMP +
sizeof (ZORDERNODE) *
(DEF_NR_POPUPMENUS + /* for the popup menus */
SHAREDRES_NR_GLOBALS + /* for the global windows */
nr_topmosts + /* for the topmost windows */
nr_normals)+ /* for the normal windows */
SIZE_MASKRECT_USAGE_BMP +
sizeof (MASKRECT) * DEF_NR_MASKRECT,
SHM_PARAM | IPC_CREAT | IPC_EXCL);
return zorder_shmid;
#else
ZORDERNODE* znodes;
void* maskrect_usage_bmp;
__mg_zorder_info = (PZORDERINFO) calloc (1,
sizeof (ZORDERINFO) + SIZE_USAGE_BMP +
sizeof (ZORDERNODE) *
(DEF_NR_POPUPMENUS + /* for the popup menus */
SHAREDRES_NR_GLOBALS + /* for global window: 0*/
nr_topmosts + /* for the topmost windows */
nr_normals)+ /* for the normal windows */
SIZE_MASKRECT_USAGE_BMP +
sizeof (MASKRECT) * DEF_NR_MASKRECT);
if (!__mg_zorder_info) {
_MG_PRINTF ("KERNEL>ZOrder: calloc zorderinfo failure. \n");
return -1;
}
__mg_zorder_info->size_usage_bmp = SIZE_USAGE_BMP;
__mg_zorder_info->size_maskrect_usage_bmp = SIZE_MASKRECT_USAGE_BMP;
__mg_zorder_info->max_nr_popupmenus = DEF_NR_POPUPMENUS;
__mg_zorder_info->max_nr_globals = 0;
__mg_zorder_info->max_nr_topmosts = nr_topmosts;
__mg_zorder_info->max_nr_normals = nr_normals;
__mg_zorder_info->nr_popupmenus = 0;
__mg_zorder_info->nr_globals = 0;
__mg_zorder_info->nr_topmosts = 0;
__mg_zorder_info->nr_normals = 0;
__mg_zorder_info->first_global = 0;
__mg_zorder_info->first_topmost = 0;
__mg_zorder_info->first_normal = 0;
__mg_zorder_info->active_win = 0;
__mg_zorder_info->cli_trackmenu = -1;
__mg_zorder_info->ptmi_in_cli = (HWND)-1;
/* Set zorder node usage map. */
memset (__mg_zorder_info + 1, 0xFF, SIZE_USAGE_BMP);
/* Set zorder mask rect usage map. */
maskrect_usage_bmp = GET_MASKRECT_USAGEBMP(__mg_zorder_info);
memset (maskrect_usage_bmp, 0xFF,
__mg_zorder_info->size_maskrect_usage_bmp);
/* init z-order node for desktop */
znodes = GET_ZORDERNODE(__mg_zorder_info);
znodes [0].flags = ZOF_TYPE_DESKTOP | ZOF_VISIBLE;
znodes [0].rc = g_rcScr;
znodes [0].age = 0;
znodes [0].cli = 0;
znodes [0].fortestinghwnd = HWND_DESKTOP;
znodes [0].next = 0;
znodes [0].prev = 0;
znodes [0].idx_mask_rect = 0;
__mg_slot_set_use ((unsigned char*)(__mg_zorder_info + 1), 0);
__mg_slot_set_use ((unsigned char*)(maskrect_usage_bmp), 0);
#ifdef _MGRM_THREADS
#ifndef __NOUNIX__
pthread_rwlock_init(&__mg_zorder_info->rwlock, NULL);
#else
pthread_mutex_init(&__mg_zorder_info->rwlock, NULL);
#endif
#endif
return 0;
#endif
}
void kernel_free_z_order_info (ZORDERINFO* zi)
{
#if defined(_MGRM_PROCESSES)
if (shmdt (zi) < 0)
perror ("Detaches shared zorder nodes");
#else
#ifdef _MGRM_THREADS
#ifndef __NOUNIX__
pthread_rwlock_destroy(&zi->rwlock);
#else
pthread_mutex_destroy(&zi->rwlock);
#endif
#endif
free (zi);
__mg_zorder_info = NULL;
#endif
}
#if 0
#if IS_SHAREDFB_SCHEMA
int kernel_alloc_z_order_info (int nr_topmosts, int nr_normals)
@@ -224,3 +341,6 @@ void kernel_free_z_order_info (ZORDERINFO* zi)
free (zi);
#endif /* not IS_SHAREDFB_SCHEMA */
}
#endif /* comment out code */