From 4e5249a84900607520de71b6097bde80bbe45469 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mart=C3=ADn=20Capello?= <martin@igara.com>
Date: Tue, 16 Jan 2024 15:59:40 -0300
Subject: [PATCH] Add 'get_process_name()' impl for Linux

---
 base/process.cpp | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/base/process.cpp b/base/process.cpp
index 8bd87dc9c..0862fac85 100644
--- a/base/process.cpp
+++ b/base/process.cpp
@@ -26,6 +26,12 @@
   #include <libproc.h>
 #endif
 
+#if LAF_LINUX
+  #include "base/fs.h"
+  #include <cstdlib>
+  #include <cstring>
+#endif
+
 namespace base {
 
 #if LAF_WINDOWS
@@ -95,8 +101,17 @@ std::string get_process_name(pid pid)
 
 std::string get_process_name(pid pid)
 {
-  // TODO implement for Linux
-  return std::string();
+  char path[128];
+  std::memset(path, 0, 128);
+  std::sprintf(path, "/proc/%d/exe", pid);
+  char* exepath = realpath(path, nullptr);
+  if (!exepath)
+    return std::string();
+
+  const std::string exename = base::get_file_name(exepath);
+  free(exepath);
+
+  return exename;
 }
 
 #endif