kern/amd64: proc: Add proc_self()

Introduce a new proc_self() function to get the current running process
on the current CPU core.

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/sys/arch/amd64/os/os_proc.c b/src/sys/arch/amd64/os/os_proc.c
index 1064c10..8318476 100644
--- a/src/sys/arch/amd64/os/os_proc.c
+++ b/src/sys/arch/amd64/os/os_proc.c
@@ -252,3 +252,18 @@ md_proc_kill(struct proc *procp, int flags)
 
     return 0;
 }
+
+/*
+ * Get the current running process
+ */
+struct proc *
+proc_self(void)
+{
+    struct pcore *core = this_core();
+
+    if (core == NULL) {
+        return NULL;
+    }
+
+    return core->curproc;
+}