From 12af7016e23e7b7f507dc99a1b73e64d0bb5ccf3 Mon Sep 17 00:00:00 2001
From: "Justin M. Keyes" <justinkz@gmail.com>
Date: Wed, 14 Mar 2018 23:26:37 +0100
Subject: nvim_get_proc_children: fallback to shell
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/proc/…/children may be unavailable because of an unset kernel option.
Fallback to `pgrep` invoked in a shell.
---
 src/nvim/os/process.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/nvim/os')

diff --git a/src/nvim/os/process.c b/src/nvim/os/process.c
index da66d78e0d..80c2dad64d 100644
--- a/src/nvim/os/process.c
+++ b/src/nvim/os/process.c
@@ -2,6 +2,7 @@
 // it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
 
 #include <uv.h>  // for HANDLE (win32)
+
 #ifdef WIN32
 # include <tlhelp32.h>  // for CreateToolhelp32Snapshot
 #endif
@@ -165,7 +166,7 @@ int os_proc_children(int ppid, int **proc_list, size_t *proc_count)
   snprintf(proc_p, sizeof(proc_p), "/proc/%d/task/%d/children", ppid, ppid);
   FILE *fp = fopen(proc_p, "r");
   if (fp == NULL) {
-    return 1;  // Process not found.
+    return 2;  // Process not found, or /proc/…/children not supported.
   }
   int match_pid;
   while (fscanf(fp, "%d", &match_pid) > 0) {
-- 
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