Changeset 4998155 for libcfa/src/concurrency/io/types.hfa

Timestamp:

Aug 14, 2020, 12:33:26 PM (4 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

7fdae38

Parents:

b353a49

Message:

I/O now uses onshot semaphore instead of raw park/unpark.
I/O now uses linux/types.h types instead of stdint.h types

File:

• libcfa/src/concurrency/io/types.hfa (modified) (5 diffs)

libcfa/src/concurrency/io/types.hfa

@@ -17 +17 @@
 
 #if defined(CFA_HAVE_LINUX_IO_URING_H)
+        extern "C" {
+                #include <linux/types.h>
+        }
+
       #include "bits/locks.hfa"
 
@@ -23 +27 @@
       struct __submition_data {
                 // Head and tail of the ring (associated with array)
-                volatile uint32_t * head;
-                volatile uint32_t * tail;
-                volatile uint32_t prev_head;
+                volatile __u32 * head;
+                volatile __u32 * tail;
+                volatile __u32 prev_head;
 
                 // The actual kernel ring which uses head/tail
                 // indexes into the sqes arrays
-                uint32_t * array;
+                __u32 * array;
 
                 // number of entries and mask to go with it
-                const uint32_t * num;
-                const uint32_t * mask;
+                const __u32 * num;
+                const __u32 * mask;
 
                 // Submission flags (Not sure what for)
-                uint32_t * flags;
+                __u32 * flags;
 
                 // number of sqes not submitted (whatever that means)
-                uint32_t * dropped;
+                __u32 * dropped;
 
                 // Like head/tail but not seen by the kernel
-                volatile uint32_t * ready;
-                uint32_t ready_cnt;
+                volatile __u32 * ready;
+                __u32 ready_cnt;
 
                 __spinlock_t lock;
@@ -58 +62 @@
         struct __completion_data {
                 // Head and tail of the ring
-                volatile uint32_t * head;
-                volatile uint32_t * tail;
+                volatile __u32 * head;
+                volatile __u32 * tail;
 
                 // number of entries and mask to go with it
-                const uint32_t * mask;
-                const uint32_t * num;
+                const __u32 * mask;
+                const __u32 * num;
 
                 // number of cqes not submitted (whatever that means)
-                uint32_t * overflow;
+                __u32 * overflow;
 
                 // the kernel ring
@@ -79 +83 @@
                 struct __submition_data submit_q;
                 struct __completion_data completion_q;
-                uint32_t ring_flags;
+                __u32 ring_flags;
                 int fd;
                 bool eager_submits:1;
@@ -89 +93 @@
         // IO user data
         struct __io_user_data_t {
-                int32_t result;
-                $thread * thrd;
+                __s32 result;
+                oneshot sem;
         };