1 files changed, 110 insertions, 0 deletions
diff --git a/src/nvim/os/pipe_process.c b/src/nvim/os/pipe_process.c
new file mode 100644
index 0000000000..5535c3fe93
--- /dev/null
+++ b/src/nvim/os/pipe_process.c
@@ -0,0 +1,110 @@
+#include <stdbool.h>
+#include <stdlib.h>
+
+#include <uv.h>
+
+#include "nvim/os/uv_helpers.h"
+#include "nvim/os/job.h"
+#include "nvim/os/job_defs.h"
+#include "nvim/os/job_private.h"
+#include "nvim/os/pipe_process.h"
+#include "nvim/memory.h"
+
+#ifdef INCLUDE_GENERATED_DECLARATIONS
+# include "os/pipe_process.c.generated.h"
+#endif
+
+typedef struct {
+  // Structures for process spawning/management used by libuv
+  uv_process_t proc;
+  uv_process_options_t proc_opts;
+  uv_stdio_container_t stdio[3];
+  uv_pipe_t proc_stdin, proc_stdout, proc_stderr;
+} UvProcess;
+
+void pipe_process_init(Job *job)
+{
+  UvProcess *pipeproc = xmalloc(sizeof(UvProcess));
+  pipeproc->proc_opts.file = job->opts.argv[0];
+  pipeproc->proc_opts.args = job->opts.argv;
+  pipeproc->proc_opts.stdio = pipeproc->stdio;
+  pipeproc->proc_opts.stdio_count = 3;
+  pipeproc->proc_opts.flags = UV_PROCESS_WINDOWS_HIDE;
+  pipeproc->proc_opts.exit_cb = exit_cb;
+  pipeproc->proc_opts.cwd = NULL;
+  pipeproc->proc_opts.env = NULL;
+  pipeproc->proc.data = NULL;
+  pipeproc->proc_stdin.data = NULL;
+  pipeproc->proc_stdout.data = NULL;
+  pipeproc->proc_stderr.data = NULL;
+
+  // Initialize the job std{in,out,err}
+  pipeproc->stdio[0].flags = UV_IGNORE;
+  pipeproc->stdio[1].flags = UV_IGNORE;
+  pipeproc->stdio[2].flags = UV_IGNORE;
+
+  handle_set_job((uv_handle_t *)&pipeproc->proc, job);
+
+  if (job->opts.writable) {
+    uv_pipe_init(uv_default_loop(), &pipeproc->proc_stdin, 0);
+    pipeproc->stdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
+    pipeproc->stdio[0].data.stream = (uv_stream_t *)&pipeproc->proc_stdin;
+  }
+
+  if (job->opts.stdout_cb) {
+    uv_pipe_init(uv_default_loop(), &pipeproc->proc_stdout, 0);
+    pipeproc->stdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
+    pipeproc->stdio[1].data.stream = (uv_stream_t *)&pipeproc->proc_stdout;
+  }
+
+  if (job->opts.stderr_cb) {
+    uv_pipe_init(uv_default_loop(), &pipeproc->proc_stderr, 0);
+    pipeproc->stdio[2].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
+    pipeproc->stdio[2].data.stream = (uv_stream_t *)&pipeproc->proc_stderr;
+  }
+
+  job->proc_stdin = (uv_stream_t *)&pipeproc->proc_stdin;
+  job->proc_stdout = (uv_stream_t *)&pipeproc->proc_stdout;
+  job->proc_stderr = (uv_stream_t *)&pipeproc->proc_stderr;
+  job->process = pipeproc;
+}
+
+void pipe_process_destroy(Job *job)
+{
+  UvProcess *pipeproc = job->process;
+  free(pipeproc->proc.data);
+  free(pipeproc);
+  job->process = NULL;
+}
+
+bool pipe_process_spawn(Job *job)
+{
+  UvProcess *pipeproc = job->process;
+
+  if (uv_spawn(uv_default_loop(), &pipeproc->proc, &pipeproc->proc_opts) != 0) {
+    return false;
+  }
+
+  job->pid = pipeproc->proc.pid;
+  return true;
+}
+
+void pipe_process_close(Job *job)
+{
+  UvProcess *pipeproc = job->process;
+  uv_close((uv_handle_t *)&pipeproc->proc, close_cb);
+}
+
+static void exit_cb(uv_process_t *proc, int64_t status, int term_signal)
+{
+  Job *job = handle_get_job((uv_handle_t *)proc);
+  job->status = (int)status;
+  pipe_process_close(job);
+}
+
+static void close_cb(uv_handle_t *handle)
+{
+  Job *job = handle_get_job(handle);
+  job_close_streams(job);
+  job_decref(job);
+}