Alien-uv
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libuv/include/uv.h view on Meta::CPAN
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
/* See https://github.com/libuv/libuv#documentation for documentation. */
#ifndef UV_H
#define UV_H
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _WIN32
/* Windows - set up dll import/export decorators. */
# if defined(BUILDING_UV_SHARED)
/* Building shared library. */
# define UV_EXTERN __declspec(dllexport)
# elif defined(USING_UV_SHARED)
/* Using shared library. */
# define UV_EXTERN __declspec(dllimport)
# else
/* Building static library. */
# define UV_EXTERN /* nothing */
# endif
#elif __GNUC__ >= 4
# define UV_EXTERN __attribute__((visibility("default")))
#else
# define UV_EXTERN /* nothing */
#endif
#include "uv/errno.h"
#include "uv/version.h"
#include <stddef.h>
#include <stdio.h>
#if defined(_MSC_VER) && _MSC_VER < 1600
# include "uv/stdint-msvc2008.h"
#else
# include <stdint.h>
#endif
#if defined(_WIN32)
# include "uv/win.h"
#else
# include "uv/unix.h"
#endif
/* Expand this list if necessary. */
#define UV_ERRNO_MAP(XX) \
XX(E2BIG, "argument list too long") \
XX(EACCES, "permission denied") \
XX(EADDRINUSE, "address already in use") \
XX(EADDRNOTAVAIL, "address not available") \
XX(EAFNOSUPPORT, "address family not supported") \
XX(EAGAIN, "resource temporarily unavailable") \
XX(EAI_ADDRFAMILY, "address family not supported") \
XX(EAI_AGAIN, "temporary failure") \
XX(EAI_BADFLAGS, "bad ai_flags value") \
XX(EAI_BADHINTS, "invalid value for hints") \
XX(EAI_CANCELED, "request canceled") \
XX(EAI_FAIL, "permanent failure") \
XX(EAI_FAMILY, "ai_family not supported") \
XX(EAI_MEMORY, "out of memory") \
XX(EAI_NODATA, "no address") \
XX(EAI_NONAME, "unknown node or service") \
XX(EAI_OVERFLOW, "argument buffer overflow") \
XX(EAI_PROTOCOL, "resolved protocol is unknown") \
XX(EAI_SERVICE, "service not available for socket type") \
XX(EAI_SOCKTYPE, "socket type not supported") \
XX(EALREADY, "connection already in progress") \
XX(EBADF, "bad file descriptor") \
XX(EBUSY, "resource busy or locked") \
XX(ECANCELED, "operation canceled") \
XX(ECHARSET, "invalid Unicode character") \
XX(ECONNABORTED, "software caused connection abort") \
XX(ECONNREFUSED, "connection refused") \
XX(ECONNRESET, "connection reset by peer") \
XX(EDESTADDRREQ, "destination address required") \
XX(EEXIST, "file already exists") \
XX(EFAULT, "bad address in system call argument") \
XX(EFBIG, "file too large") \
XX(EHOSTUNREACH, "host is unreachable") \
XX(EINTR, "interrupted system call") \
XX(EINVAL, "invalid argument") \
XX(EIO, "i/o error") \
XX(EISCONN, "socket is already connected") \
XX(EISDIR, "illegal operation on a directory") \
XX(ELOOP, "too many symbolic links encountered") \
XX(EMFILE, "too many open files") \
XX(EMSGSIZE, "message too long") \
XX(ENAMETOOLONG, "name too long") \
XX(ENETDOWN, "network is down") \
XX(ENETUNREACH, "network is unreachable") \
XX(ENFILE, "file table overflow") \
XX(ENOBUFS, "no buffer space available") \
XX(ENODEV, "no such device") \
XX(ENOENT, "no such file or directory") \
XX(ENOMEM, "not enough memory") \
XX(ENONET, "machine is not on the network") \
XX(ENOPROTOOPT, "protocol not available") \
XX(ENOSPC, "no space left on device") \
XX(ENOSYS, "function not implemented") \
XX(ENOTCONN, "socket is not connected") \
XX(ENOTDIR, "not a directory") \
XX(ENOTEMPTY, "directory not empty") \
libuv/include/uv.h view on Meta::CPAN
UV_EXTERN void uv_close(uv_handle_t* handle, uv_close_cb close_cb);
UV_EXTERN int uv_send_buffer_size(uv_handle_t* handle, int* value);
UV_EXTERN int uv_recv_buffer_size(uv_handle_t* handle, int* value);
UV_EXTERN int uv_fileno(const uv_handle_t* handle, uv_os_fd_t* fd);
UV_EXTERN uv_buf_t uv_buf_init(char* base, unsigned int len);
#define UV_STREAM_FIELDS \
/* number of bytes queued for writing */ \
size_t write_queue_size; \
uv_alloc_cb alloc_cb; \
uv_read_cb read_cb; \
/* private */ \
UV_STREAM_PRIVATE_FIELDS
/*
* uv_stream_t is a subclass of uv_handle_t.
*
* uv_stream is an abstract class.
*
* uv_stream_t is the parent class of uv_tcp_t, uv_pipe_t and uv_tty_t.
*/
struct uv_stream_s {
UV_HANDLE_FIELDS
UV_STREAM_FIELDS
};
UV_EXTERN size_t uv_stream_get_write_queue_size(const uv_stream_t* stream);
UV_EXTERN int uv_listen(uv_stream_t* stream, int backlog, uv_connection_cb cb);
UV_EXTERN int uv_accept(uv_stream_t* server, uv_stream_t* client);
UV_EXTERN int uv_read_start(uv_stream_t*,
uv_alloc_cb alloc_cb,
uv_read_cb read_cb);
UV_EXTERN int uv_read_stop(uv_stream_t*);
UV_EXTERN int uv_write(uv_write_t* req,
uv_stream_t* handle,
const uv_buf_t bufs[],
unsigned int nbufs,
uv_write_cb cb);
UV_EXTERN int uv_write2(uv_write_t* req,
uv_stream_t* handle,
const uv_buf_t bufs[],
unsigned int nbufs,
uv_stream_t* send_handle,
uv_write_cb cb);
UV_EXTERN int uv_try_write(uv_stream_t* handle,
const uv_buf_t bufs[],
unsigned int nbufs);
/* uv_write_t is a subclass of uv_req_t. */
struct uv_write_s {
UV_REQ_FIELDS
uv_write_cb cb;
uv_stream_t* send_handle; /* TODO: make private and unix-only in v2.x. */
uv_stream_t* handle;
UV_WRITE_PRIVATE_FIELDS
};
UV_EXTERN int uv_is_readable(const uv_stream_t* handle);
UV_EXTERN int uv_is_writable(const uv_stream_t* handle);
UV_EXTERN int uv_stream_set_blocking(uv_stream_t* handle, int blocking);
UV_EXTERN int uv_is_closing(const uv_handle_t* handle);
/*
* uv_tcp_t is a subclass of uv_stream_t.
*
* Represents a TCP stream or TCP server.
*/
struct uv_tcp_s {
UV_HANDLE_FIELDS
UV_STREAM_FIELDS
UV_TCP_PRIVATE_FIELDS
};
UV_EXTERN int uv_tcp_init(uv_loop_t*, uv_tcp_t* handle);
UV_EXTERN int uv_tcp_init_ex(uv_loop_t*, uv_tcp_t* handle, unsigned int flags);
UV_EXTERN int uv_tcp_open(uv_tcp_t* handle, uv_os_sock_t sock);
UV_EXTERN int uv_tcp_nodelay(uv_tcp_t* handle, int enable);
UV_EXTERN int uv_tcp_keepalive(uv_tcp_t* handle,
int enable,
unsigned int delay);
UV_EXTERN int uv_tcp_simultaneous_accepts(uv_tcp_t* handle, int enable);
enum uv_tcp_flags {
/* Used with uv_tcp_bind, when an IPv6 address is used. */
UV_TCP_IPV6ONLY = 1
};
UV_EXTERN int uv_tcp_bind(uv_tcp_t* handle,
const struct sockaddr* addr,
unsigned int flags);
UV_EXTERN int uv_tcp_getsockname(const uv_tcp_t* handle,
struct sockaddr* name,
int* namelen);
UV_EXTERN int uv_tcp_getpeername(const uv_tcp_t* handle,
struct sockaddr* name,
int* namelen);
UV_EXTERN int uv_tcp_connect(uv_connect_t* req,
uv_tcp_t* handle,
const struct sockaddr* addr,
uv_connect_cb cb);
/* uv_connect_t is a subclass of uv_req_t. */
struct uv_connect_s {
UV_REQ_FIELDS
uv_connect_cb cb;
uv_stream_t* handle;
UV_CONNECT_PRIVATE_FIELDS
};
/*
* UDP support.
*/
enum uv_udp_flags {
/* Disables dual stack mode. */
UV_UDP_IPV6ONLY = 1,
/*
* Indicates message was truncated because read buffer was too small. The
* remainder was discarded by the OS. Used in uv_udp_recv_cb.
*/
UV_UDP_PARTIAL = 2,
/*
* Indicates if SO_REUSEADDR will be set when binding the handle.
* This sets the SO_REUSEPORT socket flag on the BSDs and OS X. On other
* Unix platforms, it sets the SO_REUSEADDR flag. What that means is that
* multiple threads or processes can bind to the same address without error
* (provided they all set the flag) but only the last one to bind will receive
* any traffic, in effect "stealing" the port from the previous listener.
*/
UV_UDP_REUSEADDR = 4
};
typedef void (*uv_udp_send_cb)(uv_udp_send_t* req, int status);
typedef void (*uv_udp_recv_cb)(uv_udp_t* handle,
ssize_t nread,
const uv_buf_t* buf,
const struct sockaddr* addr,
unsigned flags);
/* uv_udp_t is a subclass of uv_handle_t. */
struct uv_udp_s {
UV_HANDLE_FIELDS
/* read-only */
/*
* Number of bytes queued for sending. This field strictly shows how much
* information is currently queued.
*/
size_t send_queue_size;
/*
* Number of send requests currently in the queue awaiting to be processed.
*/
size_t send_queue_count;
UV_UDP_PRIVATE_FIELDS
};
/* uv_udp_send_t is a subclass of uv_req_t. */
struct uv_udp_send_s {
UV_REQ_FIELDS
uv_udp_t* handle;
uv_udp_send_cb cb;
UV_UDP_SEND_PRIVATE_FIELDS
};
UV_EXTERN int uv_udp_init(uv_loop_t*, uv_udp_t* handle);
UV_EXTERN int uv_udp_init_ex(uv_loop_t*, uv_udp_t* handle, unsigned int flags);
UV_EXTERN int uv_udp_open(uv_udp_t* handle, uv_os_sock_t sock);
UV_EXTERN int uv_udp_bind(uv_udp_t* handle,
const struct sockaddr* addr,
unsigned int flags);
UV_EXTERN int uv_udp_connect(uv_udp_t* handle, const struct sockaddr* addr);
UV_EXTERN int uv_udp_getpeername(const uv_udp_t* handle,
struct sockaddr* name,
int* namelen);
UV_EXTERN int uv_udp_getsockname(const uv_udp_t* handle,
struct sockaddr* name,
int* namelen);
UV_EXTERN int uv_udp_set_membership(uv_udp_t* handle,
const char* multicast_addr,
const char* interface_addr,
uv_membership membership);
UV_EXTERN int uv_udp_set_multicast_loop(uv_udp_t* handle, int on);
UV_EXTERN int uv_udp_set_multicast_ttl(uv_udp_t* handle, int ttl);
UV_EXTERN int uv_udp_set_multicast_interface(uv_udp_t* handle,
const char* interface_addr);
UV_EXTERN int uv_udp_set_broadcast(uv_udp_t* handle, int on);
UV_EXTERN int uv_udp_set_ttl(uv_udp_t* handle, int ttl);
UV_EXTERN int uv_udp_send(uv_udp_send_t* req,
uv_udp_t* handle,
const uv_buf_t bufs[],
unsigned int nbufs,
const struct sockaddr* addr,
uv_udp_send_cb send_cb);
UV_EXTERN int uv_udp_try_send(uv_udp_t* handle,
const uv_buf_t bufs[],
unsigned int nbufs,
const struct sockaddr* addr);
UV_EXTERN int uv_udp_recv_start(uv_udp_t* handle,
uv_alloc_cb alloc_cb,
uv_udp_recv_cb recv_cb);
UV_EXTERN int uv_udp_recv_stop(uv_udp_t* handle);
UV_EXTERN size_t uv_udp_get_send_queue_size(const uv_udp_t* handle);
UV_EXTERN size_t uv_udp_get_send_queue_count(const uv_udp_t* handle);
/*
* uv_tty_t is a subclass of uv_stream_t.
*
* Representing a stream for the console.
*/
struct uv_tty_s {
UV_HANDLE_FIELDS
UV_STREAM_FIELDS
UV_TTY_PRIVATE_FIELDS
};
typedef enum {
/* Initial/normal terminal mode */
UV_TTY_MODE_NORMAL,
/* Raw input mode (On Windows, ENABLE_WINDOW_INPUT is also enabled) */
UV_TTY_MODE_RAW,
/* Binary-safe I/O mode for IPC (Unix-only) */
UV_TTY_MODE_IO
} uv_tty_mode_t;
UV_EXTERN int uv_tty_init(uv_loop_t*, uv_tty_t*, uv_file fd, int readable);
UV_EXTERN int uv_tty_set_mode(uv_tty_t*, uv_tty_mode_t mode);
UV_EXTERN int uv_tty_reset_mode(void);
UV_EXTERN int uv_tty_get_winsize(uv_tty_t*, int* width, int* height);
#ifdef __cplusplus
extern "C++" {
inline int uv_tty_set_mode(uv_tty_t* handle, int mode) {
return uv_tty_set_mode(handle, static_cast<uv_tty_mode_t>(mode));
}
}
#endif
UV_EXTERN uv_handle_type uv_guess_handle(uv_file file);
/*
* uv_pipe_t is a subclass of uv_stream_t.
*
* Representing a pipe stream or pipe server. On Windows this is a Named
* Pipe. On Unix this is a Unix domain socket.
*/
struct uv_pipe_s {
UV_HANDLE_FIELDS
UV_STREAM_FIELDS
int ipc; /* non-zero if this pipe is used for passing handles */
UV_PIPE_PRIVATE_FIELDS
};
UV_EXTERN int uv_pipe_init(uv_loop_t*, uv_pipe_t* handle, int ipc);
UV_EXTERN int uv_pipe_open(uv_pipe_t*, uv_file file);
UV_EXTERN int uv_pipe_bind(uv_pipe_t* handle, const char* name);
UV_EXTERN void uv_pipe_connect(uv_connect_t* req,
uv_pipe_t* handle,
const char* name,
uv_connect_cb cb);
UV_EXTERN int uv_pipe_getsockname(const uv_pipe_t* handle,
char* buffer,
size_t* size);
UV_EXTERN int uv_pipe_getpeername(const uv_pipe_t* handle,
char* buffer,
size_t* size);
UV_EXTERN void uv_pipe_pending_instances(uv_pipe_t* handle, int count);
UV_EXTERN int uv_pipe_pending_count(uv_pipe_t* handle);
UV_EXTERN uv_handle_type uv_pipe_pending_type(uv_pipe_t* handle);
UV_EXTERN int uv_pipe_chmod(uv_pipe_t* handle, int flags);
struct uv_poll_s {
UV_HANDLE_FIELDS
uv_poll_cb poll_cb;
UV_POLL_PRIVATE_FIELDS
};
enum uv_poll_event {
UV_READABLE = 1,
UV_WRITABLE = 2,
UV_DISCONNECT = 4,
UV_PRIORITIZED = 8
};
UV_EXTERN int uv_poll_init(uv_loop_t* loop, uv_poll_t* handle, int fd);
UV_EXTERN int uv_poll_init_socket(uv_loop_t* loop,
uv_poll_t* handle,
uv_os_sock_t socket);
UV_EXTERN int uv_poll_start(uv_poll_t* handle, int events, uv_poll_cb cb);
UV_EXTERN int uv_poll_stop(uv_poll_t* handle);
struct uv_prepare_s {
UV_HANDLE_FIELDS
UV_PREPARE_PRIVATE_FIELDS
};
UV_EXTERN int uv_prepare_init(uv_loop_t*, uv_prepare_t* prepare);
UV_EXTERN int uv_prepare_start(uv_prepare_t* prepare, uv_prepare_cb cb);
UV_EXTERN int uv_prepare_stop(uv_prepare_t* prepare);
struct uv_check_s {
UV_HANDLE_FIELDS
libuv/include/uv.h view on Meta::CPAN
/*
* uv_getaddrinfo_t is a subclass of uv_req_t.
*
* Request object for uv_getaddrinfo.
*/
struct uv_getaddrinfo_s {
UV_REQ_FIELDS
/* read-only */
uv_loop_t* loop;
/* struct addrinfo* addrinfo is marked as private, but it really isn't. */
UV_GETADDRINFO_PRIVATE_FIELDS
};
UV_EXTERN int uv_getaddrinfo(uv_loop_t* loop,
uv_getaddrinfo_t* req,
uv_getaddrinfo_cb getaddrinfo_cb,
const char* node,
const char* service,
const struct addrinfo* hints);
UV_EXTERN void uv_freeaddrinfo(struct addrinfo* ai);
/*
* uv_getnameinfo_t is a subclass of uv_req_t.
*
* Request object for uv_getnameinfo.
*/
struct uv_getnameinfo_s {
UV_REQ_FIELDS
/* read-only */
uv_loop_t* loop;
/* host and service are marked as private, but they really aren't. */
UV_GETNAMEINFO_PRIVATE_FIELDS
};
UV_EXTERN int uv_getnameinfo(uv_loop_t* loop,
uv_getnameinfo_t* req,
uv_getnameinfo_cb getnameinfo_cb,
const struct sockaddr* addr,
int flags);
/* uv_spawn() options. */
typedef enum {
UV_IGNORE = 0x00,
UV_CREATE_PIPE = 0x01,
UV_INHERIT_FD = 0x02,
UV_INHERIT_STREAM = 0x04,
/*
* When UV_CREATE_PIPE is specified, UV_READABLE_PIPE and UV_WRITABLE_PIPE
* determine the direction of flow, from the child process' perspective. Both
* flags may be specified to create a duplex data stream.
*/
UV_READABLE_PIPE = 0x10,
UV_WRITABLE_PIPE = 0x20,
/*
* Open the child pipe handle in overlapped mode on Windows.
* On Unix it is silently ignored.
*/
UV_OVERLAPPED_PIPE = 0x40
} uv_stdio_flags;
typedef struct uv_stdio_container_s {
uv_stdio_flags flags;
union {
uv_stream_t* stream;
int fd;
} data;
} uv_stdio_container_t;
typedef struct uv_process_options_s {
uv_exit_cb exit_cb; /* Called after the process exits. */
const char* file; /* Path to program to execute. */
/*
* Command line arguments. args[0] should be the path to the program. On
* Windows this uses CreateProcess which concatenates the arguments into a
* string this can cause some strange errors. See the note at
* windows_verbatim_arguments.
*/
char** args;
/*
* This will be set as the environ variable in the subprocess. If this is
* NULL then the parents environ will be used.
*/
char** env;
/*
* If non-null this represents a directory the subprocess should execute
* in. Stands for current working directory.
*/
const char* cwd;
/*
* Various flags that control how uv_spawn() behaves. See the definition of
* `enum uv_process_flags` below.
*/
unsigned int flags;
/*
* The `stdio` field points to an array of uv_stdio_container_t structs that
* describe the file descriptors that will be made available to the child
* process. The convention is that stdio[0] points to stdin, fd 1 is used for
* stdout, and fd 2 is stderr.
*
* Note that on windows file descriptors greater than 2 are available to the
* child process only if the child processes uses the MSVCRT runtime.
*/
int stdio_count;
uv_stdio_container_t* stdio;
/*
* Libuv can change the child process' user/group id. This happens only when
* the appropriate bits are set in the flags fields. This is not supported on
* windows; uv_spawn() will fail and set the error to UV_ENOTSUP.
*/
uv_uid_t uid;
uv_gid_t gid;
} uv_process_options_t;
/*
* These are the flags that can be used for the uv_process_options.flags field.
*/
enum uv_process_flags {
/*
* Set the child process' user id. The user id is supplied in the `uid` field
* of the options struct. This does not work on windows; setting this flag
* will cause uv_spawn() to fail.
*/
UV_PROCESS_SETUID = (1 << 0),
/*
* Set the child process' group id. The user id is supplied in the `gid`
* field of the options struct. This does not work on windows; setting this
* flag will cause uv_spawn() to fail.
*/
UV_PROCESS_SETGID = (1 << 1),
/*
* Do not wrap any arguments in quotes, or perform any other escaping, when
* converting the argument list into a command line string. This option is
* only meaningful on Windows systems. On Unix it is silently ignored.
*/
UV_PROCESS_WINDOWS_VERBATIM_ARGUMENTS = (1 << 2),
/*
* Spawn the child process in a detached state - this will make it a process
* group leader, and will effectively enable the child to keep running after
* the parent exits. Note that the child process will still keep the
* parent's event loop alive unless the parent process calls uv_unref() on
* the child's process handle.
*/
UV_PROCESS_DETACHED = (1 << 3),
/*
* Hide the subprocess window that would normally be created. This option is
* only meaningful on Windows systems. On Unix it is silently ignored.
*/
UV_PROCESS_WINDOWS_HIDE = (1 << 4),
/*
* Hide the subprocess console window that would normally be created. This
* option is only meaningful on Windows systems. On Unix it is silently
* ignored.
*/
UV_PROCESS_WINDOWS_HIDE_CONSOLE = (1 << 5),
/*
* Hide the subprocess GUI window that would normally be created. This
* option is only meaningful on Windows systems. On Unix it is silently
* ignored.
*/
UV_PROCESS_WINDOWS_HIDE_GUI = (1 << 6)
};
/*
* uv_process_t is a subclass of uv_handle_t.
*/
struct uv_process_s {
UV_HANDLE_FIELDS
uv_exit_cb exit_cb;
int pid;
UV_PROCESS_PRIVATE_FIELDS
};
UV_EXTERN int uv_spawn(uv_loop_t* loop,
uv_process_t* handle,
const uv_process_options_t* options);
UV_EXTERN int uv_process_kill(uv_process_t*, int signum);
UV_EXTERN int uv_kill(int pid, int signum);
UV_EXTERN uv_pid_t uv_process_get_pid(const uv_process_t*);
/*
* uv_work_t is a subclass of uv_req_t.
*/
struct uv_work_s {
UV_REQ_FIELDS
uv_loop_t* loop;
uv_work_cb work_cb;
uv_after_work_cb after_work_cb;
UV_WORK_PRIVATE_FIELDS
};
UV_EXTERN int uv_queue_work(uv_loop_t* loop,
uv_work_t* req,
uv_work_cb work_cb,
uv_after_work_cb after_work_cb);
UV_EXTERN int uv_cancel(uv_req_t* req);
struct uv_cpu_times_s {
uint64_t user;
uint64_t nice;
uint64_t sys;
uint64_t idle;
uint64_t irq;
};
struct uv_cpu_info_s {
char* model;
int speed;
struct uv_cpu_times_s cpu_times;
};
struct uv_interface_address_s {
char* name;
char phys_addr[6];
int is_internal;
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