kern: proc: Add process lookups by PID

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

1 files changed, 9 insertions, 0 deletions

diff --git a/src/sys/include/sys/proc.h b/src/sys/include/sys/proc.h
index 48c784a..0cf105e 100644
--- a/src/sys/include/sys/proc.h
+++ b/src/sys/include/sys/proc.h
@@ -203,6 +203,15 @@ int md_set_ip(struct proc *procp, uintptr_t ip);
 int proc_check_addr(struct proc *proc, uintptr_t addr, size_t len);
 
 /*
+ * Lookup a process using its PID
+ *
+ * @pid: PID of process to lookup
+ *
+ * Returns NULL on failure
+ */
+struct proc *proc_lookup(pid_t pid);
+
+/*
  * Put the current process into a halt loop
  * until the next one runs.
  */