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Fix channel variables on cloned channels (bug #3804)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5222 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2005-03-21 04:18:50 +00:00
parent 00ffb24b83
commit ebc1c06835
1 changed files with 25 additions and 24 deletions
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49
include/asterisk/linkedlists.h
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@@ -198,9 +198,9 @@ struct { \
This macro initializes a list head structure by setting the head This macro initializes a list head structure by setting the head
entry to \a NULL (empty list) and recreating the embedded lock. entry to \a NULL (empty list) and recreating the embedded lock.
*/ */
#define AST_LIST_HEAD_INIT(head) { \ #define AST_LIST_HEAD_INIT(head) { \
(head)->first = NULL; \ (head)->first = NULL; \
ast_pthread_mutex_init(&(head)->lock,NULL); \ ast_pthread_mutex_init(&(head)->lock,NULL); \
} }
/*! /*!
@@ -211,9 +211,9 @@ struct { \
\param field This is the name of the field (declared using AST_LIST_ENTRY()) \param field This is the name of the field (declared using AST_LIST_ENTRY())
used to link entries of this list together. used to link entries of this list together.
*/ */
#define AST_LIST_INSERT_AFTER(listelm, elm, field) do { \ #define AST_LIST_INSERT_AFTER(listelm, elm, field) do { \
(elm)->field.next = (listelm)->field.next; \ (elm)->field.next = (listelm)->field.next; \
(listelm)->field.next = (elm); \ (listelm)->field.next = (elm); \
} while (0) } while (0)
/*! /*!
@@ -229,22 +229,24 @@ struct { \
} while (0) } while (0)
/*! /*!
\brief Inserts a list entry at the tail of a list. \brief Appends a list entry to the tail of a list.
\param head This is a pointer to the list head structure \param head This is a pointer to the list head structure
\param elm This is a pointer to the entry to be inserted. \param elm This is a pointer to the entry to be appended.
\param field This is the name of the field (declared using AST_LIST_ENTRY()) \param field This is the name of the field (declared using AST_LIST_ENTRY())
used to link entries of this list together. used to link entries of this list together.
Note: The link field in the appended entry is \b not modified, so if it is
actually the head of a list itself, the entire list will be appended.
*/ */
#define AST_LIST_INSERT_TAIL(head, elm, field) do { \ #define AST_LIST_INSERT_TAIL(head, elm, field) do { \
typeof(elm) curelm = (head)->first; \ if (!(head)->first) { \
if (!curelm) { \ (head)->first = (elm); \
AST_LIST_INSERT_HEAD(head, elm, field); \ } else { \
} else { \ typeof(elm) curelm = (head)->first; \
while (curelm->field.next!=NULL) { \ while (curelm->field.next != NULL) \
curelm=curelm->field.next; \ curelm = curelm->field.next; \
} \ curelm->field.next = (elm); \
AST_LIST_INSERT_AFTER(curelm, elm, field); \ } \
} \
} while (0) } while (0)
/*! /*!
@@ -256,10 +258,10 @@ struct { \
Removes the head entry from the list, and returns a pointer to it. The Removes the head entry from the list, and returns a pointer to it. The
forward-link pointer in the returned entry is \b not cleared. forward-link pointer in the returned entry is \b not cleared.
*/ */
#define AST_LIST_REMOVE_HEAD(head, field) ({ \ #define AST_LIST_REMOVE_HEAD(head, field) ({ \
typeof((head)->first) cur = (head)->first; \ typeof((head)->first) cur = (head)->first; \
(head)->first = (head)->first->field.next; \ (head)->first = (head)->first->field.next; \
cur; \ cur; \
}) })
/*! /*!
@@ -272,14 +274,13 @@ struct { \
*/ */
#define AST_LIST_REMOVE(head, elm, field) do { \ #define AST_LIST_REMOVE(head, elm, field) do { \
if ((head)->first == (elm)) { \ if ((head)->first == (elm)) { \
AST_LIST_REMOVE_HEAD((head), field); \ (head)->first = (elm)->field.next; \
} \ } \
else { \ else { \
typeof(elm) curelm = (head)->first; \ typeof(elm) curelm = (head)->first; \
while( curelm->field.next != (elm) ) \ while (curelm->field.next != (elm)) \
curelm = curelm->field.next; \ curelm = curelm->field.next; \
curelm->field.next = \ curelm->field.next = (elm)->field.next; \
curelm->field.next->field.next; \
} \ } \
} while (0) } while (0)