diff options
| author | Maxime Coste <mawww@kakoune.org> | 2018-11-27 21:49:57 +1100 |
|---|---|---|
| committer | Maxime Coste <mawww@kakoune.org> | 2018-11-27 21:49:57 +1100 |
| commit | 5250593129b14feae02fdf449d5bf68b8c12ab70 (patch) | |
| tree | c113db508863665aadf94b466abf8bb76679c898 /src/shell_manager.cc | |
| parent | c6d6060502a2c039d6ebd4b20aa91fa32bb07165 (diff) | |
ShellManager: Use vfork instead of fork
When large buffers have been opened, copying Kakoune's memory
page descriptors can get pretty slow, making fork more expensive
than necessary.
vfork avoids that problem. While not strictly conforming, it seems
the few calls we do before execve (open, close, dup2 and
set_signal_handler) would not cause any problems on platforms we
care about.
Diffstat (limited to 'src/shell_manager.cc')
| -rw-r--r-- | src/shell_manager.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/shell_manager.cc b/src/shell_manager.cc index 3683c85f..be8a8b2f 100644 --- a/src/shell_manager.cc +++ b/src/shell_manager.cc @@ -107,7 +107,7 @@ pid_t spawn_shell(const char* shell, StringView cmdline, execparams.push_back(param.c_str()); execparams.push_back(nullptr); - if (pid_t pid = fork()) + if (pid_t pid = vfork()) return pid; setup_child(); |