jl_uv.c
// This file is a part of Julia. License is MIT: http://julialang.org/license
#include "platform.h"
#include <stdio.h>
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#ifdef _OS_WINDOWS_
#include <ws2tcpip.h>
#include <malloc.h>
#else
#include "errno.h"
#include <unistd.h>
#include <sys/socket.h>
#endif
#include "julia.h"
#include "julia_internal.h"
#include "support/ios.h"
#include "uv.h"
#if defined(_COMPILER_MICROSOFT_) && !defined(write)
#include <io.h>
#define write _write
#endif
#if defined(_COMPILER_MICROSOFT_) && !defined(_Static_assert)
#define _Static_assert static_assert
#endif
#ifdef __cplusplus
#include <cstring>
extern "C" {
#endif
extern jl_module_t *jl_old_base_module;
static jl_value_t *close_cb = NULL;
static void jl_uv_call_close_callback(void *val)
{
jl_value_t *cb;
if (!jl_old_base_module) {
if (close_cb == NULL)
close_cb = jl_get_global(jl_base_module, jl_symbol("_uv_hook_close"));
cb = close_cb;
}
else {
cb = jl_get_global(jl_base_relative_to(((jl_datatype_t*)jl_typeof(val))->name->module), jl_symbol("_uv_hook_close"));
}
assert(cb && jl_is_function(cb));
jl_apply((jl_function_t*)cb, (jl_value_t**)&val, 1);
}
DLLEXPORT void jl_uv_closeHandle(uv_handle_t *handle)
{
// if the user killed a stdio handle,
// revert back to direct stdio FILE* writes
// so that errors can still be reported
if (handle == (uv_handle_t*)JL_STDIN)
JL_STDIN = (JL_STREAM*)STDIN_FILENO;
if (handle == (uv_handle_t*)JL_STDOUT)
JL_STDOUT = (JL_STREAM*)STDOUT_FILENO;
if (handle == (uv_handle_t*)JL_STDERR)
JL_STDERR = (JL_STREAM*)STDERR_FILENO;
// also let the client app do its own cleanup
if (handle->type != UV_FILE && handle->data)
jl_uv_call_close_callback(handle->data);
free(handle);
}
DLLEXPORT void jl_uv_shutdownCallback(uv_shutdown_t *req, int status)
{
/*
* This happens if the remote machine closes the connecition while we're
* in the shutdown request (in that case we call uv_close, thus cancelling this)
* request.
*/
if (status != UV__ECANCELED && !uv_is_closing((uv_handle_t*)req->handle)) {
uv_close((uv_handle_t*)req->handle, &jl_uv_closeHandle);
}
free(req);
}
// getters and setters
DLLEXPORT void *jl_uv_process_data(uv_process_t *p) { return p->data; }
DLLEXPORT void *jl_uv_buf_base(const uv_buf_t *buf) { return buf->base; }
DLLEXPORT size_t jl_uv_buf_len(const uv_buf_t *buf) { return buf->len; }
DLLEXPORT void jl_uv_buf_set_base(uv_buf_t *buf, char *b) { buf->base = b; }
DLLEXPORT void jl_uv_buf_set_len(uv_buf_t *buf, size_t n) { buf->len = n; }
DLLEXPORT void *jl_uv_connect_handle(uv_connect_t *connect) { return connect->handle; }
DLLEXPORT void *jl_uv_getaddrinfo_data(uv_getaddrinfo_t *req) { return req->data; }
DLLEXPORT uv_file jl_uv_file_handle(jl_uv_file_t *f) { return f->file; }
DLLEXPORT void *jl_uv_req_data(uv_req_t *req) { return req->data; }
DLLEXPORT void jl_uv_req_set_data(uv_req_t *req, void *data) { req->data = data; }
DLLEXPORT void *jl_uv_handle_data(uv_handle_t *handle) { return handle->data; }
DLLEXPORT void *jl_uv_write_handle(uv_write_t *req) { return req->handle; }
DLLEXPORT int jl_run_once(uv_loop_t *loop)
{
if (loop) {
loop->stop_flag = 0;
return uv_run(loop,UV_RUN_ONCE);
}
else return 0;
}
DLLEXPORT void jl_run_event_loop(uv_loop_t *loop)
{
if (loop) {
loop->stop_flag = 0;
uv_run(loop,UV_RUN_DEFAULT);
}
}
DLLEXPORT int jl_process_events(uv_loop_t *loop)
{
if (loop) {
loop->stop_flag = 0;
return uv_run(loop,UV_RUN_NOWAIT);
}
else return 0;
}
DLLEXPORT int jl_init_pipe(uv_pipe_t *pipe, int writable, int readable, int julia_only)
{
int flags = 0;
if (writable)
flags |= UV_PIPE_WRITABLE;
if (readable)
flags |= UV_PIPE_READABLE;
if (!julia_only)
flags |= UV_PIPE_SPAWN_SAFE;
int err = uv_pipe_init(jl_io_loop, pipe, flags);
return err;
}
DLLEXPORT void jl_close_uv(uv_handle_t *handle)
{
if (handle->type == UV_FILE) {
uv_fs_t req;
jl_uv_file_t *fd = (jl_uv_file_t*)handle;
if (fd->file != -1) {
uv_fs_close(handle->loop, &req, fd->file, NULL);
fd->file = -1;
}
jl_uv_closeHandle(handle); // synchronous (ok since the callback is known to not interact with any global state)
return;
}
if (handle->type == UV_NAMED_PIPE || handle->type == UV_TCP) {
if (((uv_stream_t*)handle)->shutdown_req) {
// don't close the stream while attempting a graceful shutdown
return;
}
if (uv_is_writable((uv_stream_t*)handle)) {
// attempt graceful shutdown of writable streams to give them a chance to flush first
uv_shutdown_t *req = (uv_shutdown_t*)malloc(sizeof(uv_shutdown_t));
req->data = 0;
/*
* We are explicitly ignoring the error here for the following reason:
* There is only two scenarios in which this returns an error:
* a) In case the stream is already shut down, in which case we're likely
* in the process of closing this stream (since there's no other call to
* uv_shutdown).
* b) In case the stream is already closed, in which case uv_close would
* cause an assertion failure.
*/
uv_shutdown(req, (uv_stream_t*)handle, &jl_uv_shutdownCallback);
return;
}
}
if (!uv_is_closing((uv_handle_t*)handle)) {
// avoid double-closing the stream
if (handle->type == UV_TTY)
uv_tty_set_mode((uv_tty_t*)handle,0);
uv_close(handle,&jl_uv_closeHandle);
}
}
DLLEXPORT void jl_forceclose_uv(uv_handle_t *handle)
{
uv_close(handle,&jl_uv_closeHandle);
}
DLLEXPORT void jl_uv_associate_julia_struct(uv_handle_t *handle, jl_value_t *data)
{
handle->data = data;
}
DLLEXPORT void jl_uv_disassociate_julia_struct(uv_handle_t *handle)
{
handle->data = NULL;
}
DLLEXPORT int jl_spawn(char *name, char **argv, uv_loop_t *loop,
uv_process_t *proc, jl_value_t *julia_struct,
uv_handle_type stdin_type, uv_pipe_t *stdin_pipe,
uv_handle_type stdout_type, uv_pipe_t *stdout_pipe,
uv_handle_type stderr_type, uv_pipe_t *stderr_pipe,
int detach, char **env, char *cwd, uv_exit_cb cb)
{
uv_process_options_t opts;
uv_stdio_container_t stdio[3];
int error;
opts.file = name;
opts.env = env;
#ifdef _OS_WINDOWS_
opts.flags = 0;
#else
opts.flags = UV_PROCESS_RESET_SIGPIPE;
#endif
opts.cwd = cwd;
opts.args = argv;
if (detach)
opts.flags |= UV_PROCESS_DETACHED;
opts.stdio = stdio;
opts.stdio_count = 3;
stdio[0].type = stdin_type;
stdio[0].data.stream = (uv_stream_t*)(stdin_pipe);
stdio[1].type = stdout_type;
stdio[1].data.stream = (uv_stream_t*)(stdout_pipe);
stdio[2].type = stderr_type;
stdio[2].data.stream = (uv_stream_t*)(stderr_pipe);
opts.exit_cb = cb;
error = uv_spawn(loop,proc,&opts);
return error;
}
#ifdef _OS_WINDOWS_
#include <time.h>
DLLEXPORT struct tm* localtime_r(const time_t *t, struct tm *tm)
{
struct tm *tmp = localtime(t); //localtime is reentrant on windows
if (tmp)
*tm = *tmp;
return tmp;
}
#endif
DLLEXPORT uv_loop_t *jl_global_event_loop(void)
{
return jl_io_loop;
}
DLLEXPORT int jl_fs_unlink(char *path)
{
uv_fs_t req;
JL_SIGATOMIC_BEGIN();
int ret = uv_fs_unlink(jl_io_loop, &req, path, NULL);
uv_fs_req_cleanup(&req);
JL_SIGATOMIC_END();
return ret;
}
DLLEXPORT int jl_fs_rename(char *src_path, char *dst_path)
{
uv_fs_t req;
JL_SIGATOMIC_BEGIN();
int ret = uv_fs_rename(jl_io_loop, &req, src_path, dst_path, NULL);
uv_fs_req_cleanup(&req);
JL_SIGATOMIC_END();
return ret;
}
DLLEXPORT int jl_fs_sendfile(int src_fd, int dst_fd,
int64_t in_offset, size_t len)
{
uv_fs_t req;
JL_SIGATOMIC_BEGIN();
int ret = uv_fs_sendfile(jl_io_loop, &req, dst_fd, src_fd,
in_offset, len, NULL);
uv_fs_req_cleanup(&req);
JL_SIGATOMIC_END();
return ret;
}
DLLEXPORT int jl_fs_symlink(char *path, char *new_path, int flags)
{
uv_fs_t req;
int ret = uv_fs_symlink(jl_io_loop, &req, path, new_path, flags, NULL);
uv_fs_req_cleanup(&req);
return ret;
}
DLLEXPORT int jl_fs_chmod(char *path, int mode)
{
uv_fs_t req;
int ret = uv_fs_chmod(jl_io_loop, &req, path, mode, NULL);
uv_fs_req_cleanup(&req);
return ret;
}
DLLEXPORT int jl_fs_write(int handle, const char *data, size_t len, int64_t offset)
{
uv_fs_t req;
uv_buf_t buf[1];
buf[0].base = (char*)data;
buf[0].len = len;
int ret = uv_fs_write(jl_io_loop, &req, handle, buf, 1, offset, NULL);
uv_fs_req_cleanup(&req);
return ret;
}
DLLEXPORT int jl_fs_read(int handle, char *data, size_t len)
{
uv_fs_t req;
uv_buf_t buf[1];
buf[0].base = data;
buf[0].len = len;
int ret = uv_fs_read(jl_io_loop, &req, handle, buf, 1, -1, NULL);
uv_fs_req_cleanup(&req);
return ret;
}
DLLEXPORT int jl_fs_read_byte(int handle)
{
uv_fs_t req;
char c;
uv_buf_t buf[1];
buf[0].base = &c;
buf[0].len = 1;
int ret = uv_fs_read(jl_io_loop, &req, handle, buf, 1, -1, NULL);
uv_fs_req_cleanup(&req);
if (ret == -1)
return ret;
return (int)c;
}
DLLEXPORT int jl_fs_close(int handle)
{
uv_fs_t req;
int ret = uv_fs_close(jl_io_loop, &req, handle, NULL);
uv_fs_req_cleanup(&req);
return ret;
}
DLLEXPORT int jl_uv_write(uv_stream_t *stream, const char *data, size_t n, uv_write_t *uvw, void *writecb)
{
uv_buf_t buf[1];
buf[0].base = (char*)data;
buf[0].len = n;
JL_SIGATOMIC_BEGIN();
int err = uv_write(uvw,stream,buf,1,(uv_write_cb)writecb);
JL_SIGATOMIC_END();
return err;
}
DLLEXPORT void jl_uv_writecb(uv_write_t *req, int status)
{
free(req);
if (status < 0) {
jl_safe_printf("jl_uv_writecb() ERROR: %s %s\n",
uv_strerror(status), uv_err_name(status));
}
}
// Note: jl_write() is called only by jl_vprintf().
// See: doc/devdocs/stdio.rst
static void jl_write(uv_stream_t *stream, const char *str, size_t n)
{
assert(stream);
_Static_assert(offsetof(uv_stream_t,type) == offsetof(ios_t,bm) &&
sizeof(((uv_stream_t*)0)->type) == sizeof(((ios_t*)0)->bm),
"UV and ios layout mismatch");
uv_file fd = 0;
// Fallback for output during early initialisation...
if (stream == (void*)STDOUT_FILENO || stream == (void*)STDERR_FILENO) {
if (!jl_io_loop) jl_io_loop = uv_default_loop();
fd = (uv_file)(size_t)stream;
}
else if (stream->type == UV_FILE) {
fd = ((jl_uv_file_t*)stream)->file;
}
if (fd) {
// Write to file descriptor...
jl_fs_write(fd, str, n, -1);
}
else if (stream->type > UV_HANDLE_TYPE_MAX) {
// Write to ios.c stream...
// This is needed because caller jl_static_show() in builtins.c can be
// called from fl_print in flisp/print.c (via cvalue_printdata()),
// and cvalue_printdata() passes ios_t* to jl_static_show().
ios_write((ios_t*)stream, str, n);
}
else {
// Write to libuv stream...
uv_write_t *req = (uv_write_t*)malloc(sizeof(uv_write_t)+n);
char *data = (char*)(req+1);
memcpy(data,str,n);
uv_buf_t buf[1];
buf[0].base = data;
buf[0].len = n;
req->data = NULL;
JL_SIGATOMIC_BEGIN();
int status = uv_write(req, stream, buf, 1, (uv_write_cb)jl_uv_writecb);
JL_SIGATOMIC_END();
if (status < 0) {
jl_uv_writecb(req, status);
}
}
}
extern int vasprintf(char **str, const char *fmt, va_list ap);
int jl_vprintf(uv_stream_t *s, const char *format, va_list args)
{
char *str=NULL;
int c;
va_list al;
#if defined(_OS_WINDOWS_) && !defined(_COMPILER_MINGW_)
al = args;
#else
va_copy(al, args);
#endif
c = vasprintf(&str, format, al);
if (c >= 0) {
jl_write(s, str, c);
free(str);
}
va_end(al);
return c;
}
int jl_printf(uv_stream_t *s, const char *format, ...)
{
va_list args;
int c;
va_start(args, format);
c = jl_vprintf(s, format, args);
va_end(args);
return c;
}
DLLEXPORT void jl_safe_printf(const char *fmt, ...)
{
static char buf[1000];
buf[0] = '\0';
va_list args;
va_start(args, fmt);
// Not async signal safe on some platforms?
vsnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
buf[999] = '\0';
if (write(STDERR_FILENO, buf, strlen(buf)) < 0) {
// nothing we can do; ignore the failure
}
}
DLLEXPORT void jl_exit(int exitcode)
{
uv_tty_reset_mode();
jl_atexit_hook(exitcode);
exit(exitcode);
}
DLLEXPORT int jl_getpid()
{
#ifdef _OS_WINDOWS_
return GetCurrentProcessId();
#else
return getpid();
#endif
}
//NOTE: These function expects port/host to be in network byte-order (Big Endian)
DLLEXPORT int jl_tcp_bind(uv_tcp_t *handle, uint16_t port, uint32_t host, unsigned int flags)
{
struct sockaddr_in addr;
memset(&addr, 0, sizeof(struct sockaddr_in));
addr.sin_port = port;
addr.sin_addr.s_addr = host;
addr.sin_family = AF_INET;
return uv_tcp_bind(handle, (struct sockaddr*)&addr, flags);
}
DLLEXPORT int jl_tcp_bind6(uv_tcp_t *handle, uint16_t port, void *host, unsigned int flags)
{
struct sockaddr_in6 addr;
memset(&addr, 0, sizeof(struct sockaddr_in6));
addr.sin6_port = port;
memcpy(&addr.sin6_addr, host, 16);
addr.sin6_family = AF_INET6;
return uv_tcp_bind(handle, (struct sockaddr*)&addr, flags);
}
DLLEXPORT int jl_udp_bind(uv_udp_t *handle, uint16_t port, uint32_t host, uint32_t flags)
{
struct sockaddr_in addr;
memset(&addr, 0, sizeof(struct sockaddr_in));
addr.sin_port = port;
addr.sin_addr.s_addr = host;
addr.sin_family = AF_INET;
return uv_udp_bind(handle, (struct sockaddr*)&addr, flags);
}
DLLEXPORT int jl_udp_bind6(uv_udp_t *handle, uint16_t port, void *host, uint32_t flags)
{
struct sockaddr_in6 addr;
memset(&addr, 0, sizeof(struct sockaddr_in6));
addr.sin6_port = port;
memcpy(&addr.sin6_addr, host, 16);
addr.sin6_family = AF_INET6;
return uv_udp_bind(handle, (struct sockaddr*)&addr, flags);
}
DLLEXPORT int jl_udp_send(uv_udp_t *handle, uint16_t port, uint32_t host, void *data, uint32_t size, uv_udp_send_cb cb)
{
struct sockaddr_in addr;
memset(&addr, 0, sizeof(struct sockaddr_in));
addr.sin_port = port;
addr.sin_addr.s_addr = host;
addr.sin_family = AF_INET;
uv_buf_t buf[1];
buf[0].base = (char *) data;
buf[0].len = size;
uv_udp_send_t *req = (uv_udp_send_t*)malloc(sizeof(uv_udp_send_t));
req->data = handle->data;
return uv_udp_send(req, handle, buf, 1, (struct sockaddr*)&addr, cb);
}
DLLEXPORT int jl_udp_send6(uv_udp_t *handle, uint16_t port, void *host, void *data, uint32_t size, uv_udp_send_cb cb)
{
struct sockaddr_in6 addr;
memset(&addr, 0, sizeof(struct sockaddr_in6));
addr.sin6_port = port;
memcpy(&addr.sin6_addr, host, 16);
addr.sin6_family = AF_INET6;
uv_buf_t buf[1];
buf[0].base = (char *) data;
buf[0].len = size;
uv_udp_send_t *req = (uv_udp_send_t *) malloc(sizeof(uv_udp_send_t));
req->data = handle->data;
return uv_udp_send(req, handle, buf, 1, (struct sockaddr*)&addr, cb);
}
DLLEXPORT int jl_uv_sizeof_interface_address()
{
return sizeof(uv_interface_address_t);
}
DLLEXPORT int jl_uv_interface_addresses(uv_interface_address_t **ifAddrStruct,int *count)
{
return uv_interface_addresses(ifAddrStruct,count);
}
DLLEXPORT int jl_uv_interface_address_is_internal(uv_interface_address_t *addr)
{
return addr->is_internal;
}
DLLEXPORT struct sockaddr_in *jl_uv_interface_address_sockaddr(uv_interface_address_t *ifa)
{
return &ifa->address.address4;
}
DLLEXPORT int jl_getaddrinfo(uv_loop_t *loop, const char *host, const char *service, jl_function_t *cb, uv_getaddrinfo_cb uvcb)
{
uv_getaddrinfo_t *req = (uv_getaddrinfo_t*)malloc(sizeof(uv_getaddrinfo_t));
struct addrinfo hints;
memset (&hints, 0, sizeof (hints));
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags |= AI_CANONNAME;
req->data = cb;
return uv_getaddrinfo(loop,req,uvcb,host,service,&hints);
}
DLLEXPORT struct sockaddr *jl_sockaddr_from_addrinfo(struct addrinfo *addrinfo)
{
return addrinfo->ai_addr;
}
DLLEXPORT struct addrinfo *jl_next_from_addrinfo(struct addrinfo *addrinfo)
{
return addrinfo->ai_next;
}
DLLEXPORT int jl_sockaddr_in_is_ip4(struct sockaddr_in *addr)
{
return (addr->sin_family==AF_INET);
}
DLLEXPORT int jl_sockaddr_in_is_ip6(struct sockaddr_in *addr)
{
return (addr->sin_family==AF_INET6);
}
DLLEXPORT int jl_sockaddr_is_ip4(struct sockaddr_storage *addr)
{
return (addr->ss_family==AF_INET);
}
DLLEXPORT int jl_sockaddr_is_ip6(struct sockaddr_storage *addr)
{
return (addr->ss_family==AF_INET6);
}
DLLEXPORT unsigned int jl_sockaddr_host4(struct sockaddr_in *addr)
{
return addr->sin_addr.s_addr;
}
DLLEXPORT unsigned int jl_sockaddr_host6(struct sockaddr_in6 *addr, char *host)
{
memcpy(host, &addr->sin6_addr, 16);
return addr->sin6_scope_id;
}
DLLEXPORT void jl_sockaddr_set_port(struct sockaddr_storage *addr,uint16_t port)
{
if (addr->ss_family==AF_INET)
((struct sockaddr_in*)addr)->sin_port = port;
else
((struct sockaddr_in6*)addr)->sin6_port = port;
}
DLLEXPORT int jl_tcp4_connect(uv_tcp_t *handle,uint32_t host, uint16_t port, uv_connect_cb cb)
{
struct sockaddr_in addr;
uv_connect_t *req = (uv_connect_t*)malloc(sizeof(uv_connect_t));
req->data = 0;
memset(&addr, 0, sizeof(struct sockaddr_in));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = host;
addr.sin_port = port;
return uv_tcp_connect(req,handle,(struct sockaddr*)&addr,cb);
}
DLLEXPORT int jl_tcp6_connect(uv_tcp_t *handle, void *host, uint16_t port, uv_connect_cb cb)
{
struct sockaddr_in6 addr;
uv_connect_t *req = (uv_connect_t*)malloc(sizeof(uv_connect_t));
req->data = 0;
memset(&addr, 0, sizeof(struct sockaddr_in6));
addr.sin6_family = AF_INET6;
memcpy(&addr.sin6_addr, host, 16);
addr.sin6_port = port;
return uv_tcp_connect(req,handle,(struct sockaddr*)&addr,cb);
}
DLLEXPORT int jl_connect_raw(uv_tcp_t *handle,struct sockaddr_storage *addr, uv_connect_cb cb)
{
uv_connect_t *req = (uv_connect_t*)malloc(sizeof(uv_connect_t));
req->data = 0;
return uv_tcp_connect(req,handle,(struct sockaddr*)addr,cb);
}
#ifdef _OS_LINUX_
DLLEXPORT int jl_tcp_quickack(uv_tcp_t *handle, int on)
{
int fd = (handle)->io_watcher.fd;
if (fd != -1) {
if (setsockopt(fd, IPPROTO_TCP, TCP_QUICKACK, &on, sizeof(on))) {
return -1;
}
}
return 0;
}
#endif
DLLEXPORT int jl_tcp_reuseport(uv_tcp_t *handle)
{
#if defined(SO_REUSEPORT)
int fd = (handle)->io_watcher.fd;
int yes = 1;
if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &yes, sizeof(yes))) {
return -1;
}
return 0;
#else
return 1;
#endif
}
DLLEXPORT int jl_tcp_getsockname_v4(uv_tcp_t *handle, uint32_t * ip, uint16_t * port)
{
struct sockaddr_in name;
int len = sizeof(name);
if (uv_tcp_getsockname(handle, (struct sockaddr *)&name, &len)) {
return -1;
}
*ip = ntohl(name.sin_addr.s_addr);
*port = ntohs(name.sin_port);
return 0;
}
#ifndef _OS_WINDOWS_
DLLEXPORT int jl_uv_unix_fd_is_watched(int fd, uv_poll_t *handle, uv_loop_t *loop)
{
if (fd >= loop->nwatchers)
return 0;
if (loop->watchers[fd] == NULL)
return 0;
if (handle && loop->watchers[fd] == &handle->io_watcher)
return 0;
return 1;
}
#endif
#ifdef _OS_WINDOWS_
static inline int ishexchar(char c)
{
if (c >= '0' && c <= '9') return 1;
if (c >= 'a' && c <= 'z') return 1;
return 0;
}
DLLEXPORT int jl_ispty(uv_pipe_t *pipe)
{
if (pipe->type != UV_NAMED_PIPE) return 0;
size_t len = 0;
if (uv_pipe_getsockname(pipe, NULL, &len) != UV_ENOBUFS) return 0;
char *name = (char *) alloca(len);
if (uv_pipe_getsockname(pipe, name, &len)) return 0;
// return true if name matches regex:
// ^\\\\?\\pipe\\(msys|cygwin)-[0-9a-z]{16}-[pt]ty[1-9][0-9]*-
//jl_printf(JL_STDERR,"pipe_name: %s\n", name);
int n = 0;
if (!strncmp(name,"\\\\?\\pipe\\msys-",14))
n = 14;
else if (!strncmp(name,"\\\\?\\pipe\\cygwin-",16))
n = 16;
else
return 0;
//jl_printf(JL_STDERR,"prefix pass\n");
name += n;
for (int n = 0; n < 16; n++)
if (!ishexchar(*name++)) return 0;
//jl_printf(JL_STDERR,"hex pass\n");
if ((*name++)!='-') return 0;
if (*name != 'p' && *name != 't') return 0;
name++;
if (*name++ != 't' || *name++ != 'y') return 0;
//jl_printf(JL_STDERR,"tty pass\n");
return 1;
}
#endif
DLLEXPORT uv_handle_type jl_uv_handle_type(uv_handle_t *handle)
{
#ifdef _OS_WINDOWS_
if (jl_ispty((uv_pipe_t*)handle))
return UV_TTY;
#endif
return handle->type;
}
DLLEXPORT int jl_tty_set_mode(uv_tty_t *handle, int mode)
{
if (handle->type != UV_TTY) return 0;
return uv_tty_set_mode(handle, mode);
}
#ifndef _OS_WINDOWS_
#if defined(__APPLE__)
int uv___stream_fd(uv_stream_t *handle);
#define uv__stream_fd(handle) (uv___stream_fd((uv_stream_t*)(handle)))
#else
#define uv__stream_fd(handle) ((handle)->io_watcher.fd)
#endif /* defined(__APPLE__) */
DLLEXPORT int jl_uv_handle(uv_stream_t *handle)
{
return uv__stream_fd(handle);
}
#else
DLLEXPORT HANDLE jl_uv_handle(uv_stream_t *handle)
{
switch (handle->type) {
case UV_TTY:
return ((uv_tty_t*)handle)->handle;
case UV_NAMED_PIPE:
return ((uv_pipe_t*)handle)->handle;
default:
return INVALID_HANDLE_VALUE;
}
}
#endif
#ifdef __cplusplus
}
#endif