process: Switch to array + bitmap for fd allocations

2026-10-26 21:37:11 +01:00
parent 2b35f2edf4
commit 52ed52c332
2 changed files with 122 additions and 57 deletions
@@ -4,7 +4,6 @@

 #include <zinnia/atomic.h>
 #include <zinnia/errno.h>
-#include <zinnia/hashmap.h>
 #include <zinnia/ident.h>
 #include <zinnia/mutex.h>
 #include <zinnia/refcount.h>
@@ -26,9 +25,12 @@ struct process_rlimit {
    rlim_t max;
 };

-struct fd_entry {
-    struct vfs_file* file;
-    bool cloexec;
+struct fd_table {
+    struct vfs_file** files;
+    uint64_t* open;
+    uint64_t* cloexec;
+    size_t capacity;
+    size_t next_free;
 };

 struct process {
@@ -50,7 +52,7 @@ struct process {
    struct process_rlimit limit_nofile;

    mutex_t files_lock;
-    hashmap(int, struct fd_entry) files;
+    struct fd_table files;
 };

 struct process* process_kernel();