Changeset 651 for trunk/kernel/kern/process.h

Timestamp:

Nov 14, 2019, 11:50:09 AM (4 years ago)

Author:

alain

Message:

1) Improve the VMM MMAP allocator: implement the "buddy" algorithm
to allocate only aligned blocks.
2) fix a bug in the pthread_join() / pthread_exit() mmechanism.

File:

• trunk/kernel/kern/process.h (modified) (1 diff)

trunk/kernel/kern/process.h

@@ -122 +122 @@
 typedef struct process_s
 {
-        vmm_t              vmm;              /*! embedded virtual memory manager                 */
-
-        fd_array_t         fd_array;         /*! embedded open file descriptors array            */
-
-        xptr_t             vfs_root_xp;      /*! extended pointer on VFS root inode              */
-        xptr_t             vfs_bin_xp;       /*! extended pointer on .elf file descriptor        */
-        pid_t              pid;              /*! process identifier                              */
+    vmm_t              vmm;              /*! embedded virtual memory manager                 */
+
+    fd_array_t         fd_array;         /*! embedded open file descriptors array            */
+
+    xptr_t             vfs_root_xp;      /*! extended pointer on VFS root inode              */
+    xptr_t             vfs_bin_xp;       /*! extended pointer on .elf file descriptor        */
+    pid_t              pid;              /*! process identifier                              */
     xptr_t             ref_xp;           /*! extended pointer on reference process           */
     xptr_t             owner_xp;         /*! extended pointer on owner process               */
     xptr_t             parent_xp;        /*! extended pointer on parent process              */
 
-        xptr_t             cwd_xp;           /*! extended pointer on current working dir inode   */
-        remote_busylock_t  cwd_lock;         /*! lock protecting working directory changes       */
-
-        xlist_entry_t      children_root;    /*! root of the children process xlist              */
+    xptr_t             cwd_xp;           /*! extended pointer on current working dir inode   */
+    remote_busylock_t  cwd_lock;         /*! lock protecting working directory changes       */
+
+    xlist_entry_t      children_root;    /*! root of the children process xlist              */
     remote_queuelock_t children_lock;    /*! lock protecting children process xlist          */
     uint32_t           children_nr;      /*! number of children processes                    */
 
-        xlist_entry_t      children_list;    /*! member of list of children of same parent       */
+    xlist_entry_t      children_list;    /*! member of list of children of same parent       */
     xlist_entry_t      local_list;       /*! member of list of process in same cluster       */
     xlist_entry_t      copies_list;      /*! member of list of copies of same process        */
     xlist_entry_t      txt_list;         /*! member of list of processes sharing same TXT    */
 
-        struct thread_s  * th_tbl[CONFIG_THREADS_MAX_PER_CLUSTER];       /*! local threads       */
-
-        uint32_t           th_nr;            /*! number of threads in this cluster               */
+    struct thread_s  * th_tbl[CONFIG_THREADS_MAX_PER_CLUSTER];       /*! local threads       */
+
+    uint32_t           th_nr;            /*! number of threads in this cluster               */
     rwlock_t           th_lock;          /*! lock protecting th_tbl[]  i                     */