diff options
Diffstat (limited to 'lib/System/Unix/Program.inc')
-rw-r--r-- | lib/System/Unix/Program.inc | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/System/Unix/Program.inc b/lib/System/Unix/Program.inc index 4814228e13..43a3e7f283 100644 --- a/lib/System/Unix/Program.inc +++ b/lib/System/Unix/Program.inc @@ -200,9 +200,13 @@ Program::Execute(const Path& path, execve(path.c_str(), (char**)args, (char**)envp); else execv(path.c_str(), (char**)args); - // If the execve() failed, we should exit and let the parent pick up - // our non-zero exit status. - exit(errno == ENOENT ? 127 : 126); + // If the execve() failed, we should exit. Follow Unix protocol and + // return 127 if the executable was not found, and 126 otherwise. + // Use _exit rather than exit so that atexit functions and static + // object destructors cloned from the parent process aren't + // redundantly run, and so that any data buffered in stdio buffers + // cloned from the parent aren't redundantly written out. + _exit(errno == ENOENT ? 127 : 126); } // Parent process: Break out of the switch to do our processing. |