blob: 5b445cdda76da8ed479cbc2dd54463b7e9b7f757 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
#include <assert.h>
#include <locale.h>
#include <stdint.h>
#include <uv.h>
#include "nvim/eval/typval.h"
#include "nvim/event/defs.h"
#include "nvim/event/libuv_proc.h"
#include "nvim/event/loop.h"
#include "nvim/event/proc.h"
#include "nvim/log.h"
#include "nvim/os/os.h"
#include "nvim/os/os_defs.h"
#include "nvim/types_defs.h"
#include "nvim/ui_client.h"
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "event/libuv_proc.c.generated.h"
#endif
/// @returns zero on success, or negative error code
int libuv_proc_spawn(LibuvProc *uvproc)
FUNC_ATTR_NONNULL_ALL
{
Proc *proc = (Proc *)uvproc;
uvproc->uvopts.file = proc_get_exepath(proc);
uvproc->uvopts.args = proc->argv;
uvproc->uvopts.flags = UV_PROCESS_WINDOWS_HIDE;
#ifdef MSWIN
// libuv collapses the argv to a CommandLineToArgvW()-style string. cmd.exe
// expects a different syntax (must be prepared by the caller before now).
if (os_shell_is_cmdexe(proc->argv[0])) {
uvproc->uvopts.flags |= UV_PROCESS_WINDOWS_VERBATIM_ARGUMENTS;
}
if (proc->detach) {
uvproc->uvopts.flags |= UV_PROCESS_DETACHED;
}
#else
// Always setsid() on unix-likes. #8107
uvproc->uvopts.flags |= UV_PROCESS_DETACHED;
#endif
uvproc->uvopts.exit_cb = exit_cb;
uvproc->uvopts.cwd = proc->cwd;
uvproc->uvopts.stdio = uvproc->uvstdio;
uvproc->uvopts.stdio_count = 3;
uvproc->uvstdio[0].flags = UV_IGNORE;
uvproc->uvstdio[1].flags = UV_IGNORE;
uvproc->uvstdio[2].flags = UV_IGNORE;
if (ui_client_forward_stdin) {
assert(UI_CLIENT_STDIN_FD == 3);
uvproc->uvopts.stdio_count = 4;
uvproc->uvstdio[3].data.fd = 0;
uvproc->uvstdio[3].flags = UV_INHERIT_FD;
}
uvproc->uv.data = proc;
if (proc->env) {
uvproc->uvopts.env = tv_dict_to_env(proc->env);
} else {
uvproc->uvopts.env = NULL;
}
if (!proc->in.closed) {
uvproc->uvstdio[0].flags = UV_CREATE_PIPE | UV_READABLE_PIPE;
#ifdef MSWIN
uvproc->uvstdio[0].flags |= proc->overlapped ? UV_OVERLAPPED_PIPE : 0;
#endif
uvproc->uvstdio[0].data.stream = (uv_stream_t *)(&proc->in.uv.pipe);
}
if (!proc->out.s.closed) {
uvproc->uvstdio[1].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
#ifdef MSWIN
// pipe must be readable for IOCP to work on Windows.
uvproc->uvstdio[1].flags |= proc->overlapped
? (UV_READABLE_PIPE | UV_OVERLAPPED_PIPE) : 0;
#endif
uvproc->uvstdio[1].data.stream = (uv_stream_t *)(&proc->out.s.uv.pipe);
}
if (!proc->err.s.closed) {
uvproc->uvstdio[2].flags = UV_CREATE_PIPE | UV_WRITABLE_PIPE;
uvproc->uvstdio[2].data.stream = (uv_stream_t *)(&proc->err.s.uv.pipe);
} else if (proc->fwd_err) {
uvproc->uvstdio[2].flags = UV_INHERIT_FD;
uvproc->uvstdio[2].data.fd = STDERR_FILENO;
}
int status;
if ((status = uv_spawn(&proc->loop->uv, &uvproc->uv, &uvproc->uvopts))) {
ILOG("uv_spawn(%s) failed: %s", uvproc->uvopts.file, uv_strerror(status));
if (uvproc->uvopts.env) {
os_free_fullenv(uvproc->uvopts.env);
}
return status;
}
proc->pid = uvproc->uv.pid;
return status;
}
void libuv_proc_close(LibuvProc *uvproc)
FUNC_ATTR_NONNULL_ARG(1)
{
uv_close((uv_handle_t *)&uvproc->uv, close_cb);
}
static void close_cb(uv_handle_t *handle)
{
Proc *proc = handle->data;
if (proc->internal_close_cb) {
proc->internal_close_cb(proc);
}
LibuvProc *uvproc = (LibuvProc *)proc;
if (uvproc->uvopts.env) {
os_free_fullenv(uvproc->uvopts.env);
}
}
static void exit_cb(uv_process_t *handle, int64_t status, int term_signal)
{
Proc *proc = handle->data;
#if defined(MSWIN)
// Use stored/expected signal.
term_signal = proc->exit_signal;
#endif
proc->status = term_signal ? 128 + term_signal : (int)status;
proc->internal_exit_cb(proc);
}
LibuvProc libuv_proc_init(Loop *loop, void *data)
{
LibuvProc rv = {
.proc = proc_init(loop, kProcTypeUv, data)
};
return rv;
}
|
