From a58859aad1e38fe4dffd8825ae8c513bdb8dcdda Mon Sep 17 00:00:00 2001
From: Mark <alnyan@airmail.cc>
Date: Fri, 17 Jan 2020 22:57:06 +0200
Subject: [PATCH] Automatically assign thread names when running execve()

---
 sys/amd64/sys/thread.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sys/amd64/sys/thread.c b/sys/amd64/sys/thread.c
index b93009b..e538cc0 100644
--- a/sys/amd64/sys/thread.c
+++ b/sys/amd64/sys/thread.c
@@ -272,6 +272,15 @@ int sys_execve(const char *filename, const char *const argv[], const char *const
         return res;
     }
 
+    const char *e = strrchr(filename, '/');
+    const char *name = e + 1;
+    if (!e) {
+        name = filename;
+    }
+    size_t name_len = MIN(strlen(name), sizeof(thr->name) - 1);
+    strncpy(thr->name, name, name_len);
+    thr->name[name_len] = 0;
+
     _assert(argv);
 
     // Copy argp page