Changeset 436a0a5 in mainline for kernel/generic/include

Timestamp:

2018-11-09T22:04:01Z (7 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

95d45482

Parents:

88e43bc (diff), abf6c01 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

(merge) Reduce the number of blocking allocations in the kernel

Location:

kernel/generic/include

Files:

• adt/fifo.h (modified) (1 diff)
• ipc/ipc.h (modified) (3 diffs)
• mm/as.h (modified) (1 diff)
• mm/slab.h (modified) (1 diff)
• proc/thread.h (modified) (1 diff)

kernel/generic/include/adt/fifo.h

@@ -115 +115 @@
  */
 #define fifo_create(name) \
-        name.fifo = nfmalloc(sizeof(*name.fifo) * name.items)
+        name.fifo = malloc(sizeof(*name.fifo) * name.items)
 
 #endif

kernel/generic/include/ipc/ipc.h

@@ -47 +47 @@
 struct answerbox;
 struct task;
+struct call;
 
 typedef enum {
@@ -67 +68 @@
         struct task *caller;
         struct answerbox *callee;
+        /* A call prepared for hangup ahead of time, so that it cannot fail. */
+        struct call *hangup_call;
         ipc_phone_state_t state;
         atomic_t active_calls;
@@ -171 +174 @@
 extern void ipc_init(void);
 
-extern call_t *ipc_call_alloc(unsigned int);
-extern void ipc_call_free(call_t *);
-extern void ipc_call_hold(call_t *);
-extern void ipc_call_release(call_t *);
+extern call_t *ipc_call_alloc(void);
 
 extern errno_t ipc_call_sync(phone_t *, call_t *);

kernel/generic/include/mm/as.h

@@ -325 +325 @@
 
 /* Introspection functions. */
-extern void as_get_area_info(as_t *, as_area_info_t **, size_t *);
+extern as_area_info_t *as_get_area_info(as_t *, size_t *);
 extern void as_print(as_t *);
 

kernel/generic/include/mm/slab.h

@@ -146 +146 @@
 extern void free(void *);
 
-extern void *nfmalloc(size_t)
-    __attribute__((malloc, returns_nonnull));
-
 #endif
 

kernel/generic/include/proc/thread.h

@@ -225 +225 @@
 
 #ifndef thread_create_arch
-extern void thread_create_arch(thread_t *);
+extern errno_t thread_create_arch(thread_t *, thread_flags_t);
 #endif