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
|
#include "rust_internal.h"
#include "rust_util.h"
#include "rust_scheduler.h"
#include <cstdio>
struct
command_line_args : public kernel_owned<command_line_args>
{
rust_kernel *kernel;
rust_task *task;
int argc;
char **argv;
// [str] passed to rust_task::start.
rust_vec *args;
command_line_args(rust_task *task,
int sys_argc,
char **sys_argv)
: kernel(task->kernel),
task(task),
argc(sys_argc),
argv(sys_argv)
{
#if defined(__WIN32__)
LPCWSTR cmdline = GetCommandLineW();
LPWSTR *wargv = CommandLineToArgvW(cmdline, &argc);
kernel->win32_require("CommandLineToArgvW", wargv != NULL);
argv = (char **) kernel->malloc(sizeof(char*) * argc,
"win32 command line");
for (int i = 0; i < argc; ++i) {
int n_chars = WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1,
NULL, 0, NULL, NULL);
kernel->win32_require("WideCharToMultiByte(0)", n_chars != 0);
argv[i] = (char *) kernel->malloc(n_chars,
"win32 command line arg");
n_chars = WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1,
argv[i], n_chars, NULL, NULL);
kernel->win32_require("WideCharToMultiByte(1)", n_chars != 0);
}
LocalFree(wargv);
#endif
args = make_str_vec(kernel, argc, argv);
}
~command_line_args() {
for (int i = 0; i < argc; ++i) {
rust_vec *s = ((rust_vec**)&args->data)[i];
kernel->free(s);
}
kernel->free(args);
#ifdef __WIN32__
for (int i = 0; i < argc; ++i) {
kernel->free(argv[i]);
}
kernel->free(argv);
#endif
}
};
/**
* Main entry point into the Rust runtime. Here we create a Rust service,
* initialize the kernel, create the root domain and run it.
*/
int check_claims = 0;
extern "C" CDECL int
rust_start(uintptr_t main_fn, int argc, char **argv, void* crate_map) {
rust_env *env = load_env();
update_log_settings(crate_map, env->logspec);
check_claims = env->check_claims;
rust_srv *srv = new rust_srv(env);
rust_kernel *kernel = new rust_kernel(srv);
rust_sched_id sched_id = kernel->create_scheduler(env->num_sched_threads);
rust_scheduler *sched = kernel->get_scheduler_by_id(sched_id);
rust_task *root_task = sched->create_task(NULL, "main");
command_line_args *args
= new (kernel, "main command line args")
command_line_args(root_task, argc, argv);
LOG(root_task, dom, "startup: %d args in 0x%" PRIxPTR,
args->argc, (uintptr_t)args->args);
for (int i = 0; i < args->argc; i++) {
LOG(root_task, dom, "startup: arg[%d] = '%s'", i, args->argv[i]);
}
root_task->start((spawn_fn)main_fn, NULL, args->args);
root_task = NULL;
int ret = kernel->wait_for_exit();
delete args;
delete kernel;
delete srv;
free_env(env);
return ret;
}
//
// Local Variables:
// mode: C++
// fill-column: 78;
// indent-tabs-mode: nil
// c-basic-offset: 4
// buffer-file-coding-system: utf-8-unix
// End:
//
|
