diff options
Diffstat (limited to 'process-posix.c')
| -rw-r--r-- | process-posix.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/process-posix.c b/process-posix.c index 1236323..f35017f 100644 --- a/process-posix.c +++ b/process-posix.c @@ -14,12 +14,15 @@ bool process_run(Process *proc, char const *command) { memset(proc, 0, sizeof *proc); bool success = false; - int pipefd[2]; if (pipe(pipefd) == 0) { pid_t pid = fork(); if (pid == 0) { // child process + // put child in its own group. it will be in this group with all of its descendents, + // so by killing everything in the group, we kill all the descendents of this process. + // if we didn't do this, we would just be killing the sh process in process_kill. + setpgid(0, 0); // send stdout and stderr to pipe dup2(pipefd[1], STDOUT_FILENO); dup2(pipefd[1], STDERR_FILENO); @@ -64,7 +67,7 @@ long long process_read(Process *proc, char *data, size_t size) { } void process_kill(Process *proc) { - kill(proc->pid, SIGKILL); + kill(-proc->pid, SIGKILL); // kill everything in process group // get rid of zombie process waitpid(proc->pid, NULL, 0); close(proc->pipe); |