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505 lines
19 KiB
505 lines
19 KiB
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to |
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* deal in the Software without restriction, including without limitation the |
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
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* sell copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
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* IN THE SOFTWARE. |
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*/ |
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#ifndef UV_UNIX_H |
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#define UV_UNIX_H |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <fcntl.h> |
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#include <dirent.h> |
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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include <netinet/tcp.h> |
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#include <arpa/inet.h> |
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#include <netdb.h> /* MAXHOSTNAMELEN on Solaris */ |
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#include <termios.h> |
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#include <pwd.h> |
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#if !defined(__MVS__) |
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#include <semaphore.h> |
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#include <sys/param.h> /* MAXHOSTNAMELEN on Linux and the BSDs */ |
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#endif |
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#include <pthread.h> |
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#include <signal.h> |
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#include "uv/threadpool.h" |
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#if defined(__linux__) |
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# include "uv/linux.h" |
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#elif defined (__MVS__) |
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# include "uv/os390.h" |
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#elif defined(__PASE__) /* __PASE__ and _AIX are both defined on IBM i */ |
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# include "uv/posix.h" /* IBM i needs uv/posix.h, not uv/aix.h */ |
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#elif defined(_AIX) |
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# include "uv/aix.h" |
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#elif defined(__sun) |
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# include "uv/sunos.h" |
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#elif defined(__APPLE__) |
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# include "uv/darwin.h" |
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#elif defined(__DragonFly__) || \ |
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defined(__FreeBSD__) || \ |
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defined(__FreeBSD_kernel__) || \ |
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defined(__OpenBSD__) || \ |
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defined(__NetBSD__) |
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# include "uv/bsd.h" |
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#elif defined(__CYGWIN__) || \ |
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defined(__MSYS__) || \ |
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defined(__GNU__) |
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# include "uv/posix.h" |
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#elif defined(__HAIKU__) |
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# include "uv/posix.h" |
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#endif |
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#ifndef NI_MAXHOST |
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# define NI_MAXHOST 1025 |
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#endif |
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#ifndef NI_MAXSERV |
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# define NI_MAXSERV 32 |
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#endif |
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#ifndef UV_IO_PRIVATE_PLATFORM_FIELDS |
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# define UV_IO_PRIVATE_PLATFORM_FIELDS /* empty */ |
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#endif |
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struct uv__io_s; |
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struct uv_loop_s; |
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typedef void (*uv__io_cb)(struct uv_loop_s* loop, |
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struct uv__io_s* w, |
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unsigned int events); |
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typedef struct uv__io_s uv__io_t; |
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struct uv__io_s { |
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uv__io_cb cb; |
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void* pending_queue[2]; |
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void* watcher_queue[2]; |
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unsigned int pevents; /* Pending event mask i.e. mask at next tick. */ |
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unsigned int events; /* Current event mask. */ |
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int fd; |
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UV_IO_PRIVATE_PLATFORM_FIELDS |
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}; |
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#ifndef UV_PLATFORM_SEM_T |
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# define UV_PLATFORM_SEM_T sem_t |
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#endif |
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#ifndef UV_PLATFORM_LOOP_FIELDS |
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# define UV_PLATFORM_LOOP_FIELDS /* empty */ |
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#endif |
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#ifndef UV_PLATFORM_FS_EVENT_FIELDS |
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# define UV_PLATFORM_FS_EVENT_FIELDS /* empty */ |
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#endif |
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#ifndef UV_STREAM_PRIVATE_PLATFORM_FIELDS |
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# define UV_STREAM_PRIVATE_PLATFORM_FIELDS /* empty */ |
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#endif |
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/* Note: May be cast to struct iovec. See writev(2). */ |
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typedef struct uv_buf_t { |
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char* base; |
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size_t len; |
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} uv_buf_t; |
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typedef int uv_file; |
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typedef int uv_os_sock_t; |
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typedef int uv_os_fd_t; |
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typedef pid_t uv_pid_t; |
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#define UV_ONCE_INIT PTHREAD_ONCE_INIT |
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typedef pthread_once_t uv_once_t; |
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typedef pthread_t uv_thread_t; |
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typedef pthread_mutex_t uv_mutex_t; |
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typedef pthread_rwlock_t uv_rwlock_t; |
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typedef UV_PLATFORM_SEM_T uv_sem_t; |
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typedef pthread_cond_t uv_cond_t; |
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typedef pthread_key_t uv_key_t; |
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/* Note: guard clauses should match uv_barrier_init's in src/unix/thread.c. */ |
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#if defined(_AIX) || \ |
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defined(__OpenBSD__) || \ |
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!defined(PTHREAD_BARRIER_SERIAL_THREAD) |
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/* TODO(bnoordhuis) Merge into uv_barrier_t in v2. */ |
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struct _uv_barrier { |
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uv_mutex_t mutex; |
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uv_cond_t cond; |
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unsigned threshold; |
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unsigned in; |
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unsigned out; |
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}; |
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typedef struct { |
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struct _uv_barrier* b; |
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# if defined(PTHREAD_BARRIER_SERIAL_THREAD) |
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/* TODO(bnoordhuis) Remove padding in v2. */ |
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char pad[sizeof(pthread_barrier_t) - sizeof(struct _uv_barrier*)]; |
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# endif |
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} uv_barrier_t; |
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#else |
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typedef pthread_barrier_t uv_barrier_t; |
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#endif |
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/* Platform-specific definitions for uv_spawn support. */ |
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typedef gid_t uv_gid_t; |
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typedef uid_t uv_uid_t; |
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typedef struct dirent uv__dirent_t; |
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#define UV_DIR_PRIVATE_FIELDS \ |
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DIR* dir; |
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#if defined(DT_UNKNOWN) |
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# define HAVE_DIRENT_TYPES |
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# if defined(DT_REG) |
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# define UV__DT_FILE DT_REG |
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# else |
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# define UV__DT_FILE -1 |
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# endif |
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# if defined(DT_DIR) |
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# define UV__DT_DIR DT_DIR |
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# else |
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# define UV__DT_DIR -2 |
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# endif |
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# if defined(DT_LNK) |
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# define UV__DT_LINK DT_LNK |
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# else |
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# define UV__DT_LINK -3 |
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# endif |
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# if defined(DT_FIFO) |
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# define UV__DT_FIFO DT_FIFO |
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# else |
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# define UV__DT_FIFO -4 |
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# endif |
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# if defined(DT_SOCK) |
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# define UV__DT_SOCKET DT_SOCK |
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# else |
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# define UV__DT_SOCKET -5 |
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# endif |
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# if defined(DT_CHR) |
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# define UV__DT_CHAR DT_CHR |
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# else |
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# define UV__DT_CHAR -6 |
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# endif |
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# if defined(DT_BLK) |
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# define UV__DT_BLOCK DT_BLK |
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# else |
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# define UV__DT_BLOCK -7 |
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# endif |
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#endif |
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/* Platform-specific definitions for uv_dlopen support. */ |
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#define UV_DYNAMIC /* empty */ |
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typedef struct { |
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void* handle; |
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char* errmsg; |
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} uv_lib_t; |
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#define UV_LOOP_PRIVATE_FIELDS \ |
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unsigned long flags; \ |
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int backend_fd; \ |
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void* pending_queue[2]; \ |
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void* watcher_queue[2]; \ |
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uv__io_t** watchers; \ |
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unsigned int nwatchers; \ |
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unsigned int nfds; \ |
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void* wq[2]; \ |
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uv_mutex_t wq_mutex; \ |
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uv_async_t wq_async; \ |
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uv_rwlock_t cloexec_lock; \ |
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uv_handle_t* closing_handles; \ |
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void* process_handles[2]; \ |
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void* prepare_handles[2]; \ |
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void* check_handles[2]; \ |
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void* idle_handles[2]; \ |
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void* async_handles[2]; \ |
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void (*async_unused)(void); /* TODO(bnoordhuis) Remove in libuv v2. */ \ |
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uv__io_t async_io_watcher; \ |
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int async_wfd; \ |
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struct { \ |
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void* min; \ |
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unsigned int nelts; \ |
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} timer_heap; \ |
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uint64_t timer_counter; \ |
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uint64_t time; \ |
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int signal_pipefd[2]; \ |
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uv__io_t signal_io_watcher; \ |
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uv_signal_t child_watcher; \ |
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int emfile_fd; \ |
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UV_PLATFORM_LOOP_FIELDS \ |
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#define UV_REQ_TYPE_PRIVATE /* empty */ |
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#define UV_REQ_PRIVATE_FIELDS /* empty */ |
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#define UV_PRIVATE_REQ_TYPES /* empty */ |
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#define UV_WRITE_PRIVATE_FIELDS \ |
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void* queue[2]; \ |
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unsigned int write_index; \ |
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uv_buf_t* bufs; \ |
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unsigned int nbufs; \ |
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int error; \ |
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uv_buf_t bufsml[4]; \ |
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#define UV_CONNECT_PRIVATE_FIELDS \ |
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void* queue[2]; \ |
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#define UV_SHUTDOWN_PRIVATE_FIELDS /* empty */ |
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#define UV_UDP_SEND_PRIVATE_FIELDS \ |
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void* queue[2]; \ |
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struct sockaddr_storage addr; \ |
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unsigned int nbufs; \ |
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uv_buf_t* bufs; \ |
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ssize_t status; \ |
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uv_udp_send_cb send_cb; \ |
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uv_buf_t bufsml[4]; \ |
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#define UV_HANDLE_PRIVATE_FIELDS \ |
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uv_handle_t* next_closing; \ |
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unsigned int flags; \ |
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#define UV_STREAM_PRIVATE_FIELDS \ |
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uv_connect_t *connect_req; \ |
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uv_shutdown_t *shutdown_req; \ |
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uv__io_t io_watcher; \ |
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void* write_queue[2]; \ |
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void* write_completed_queue[2]; \ |
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uv_connection_cb connection_cb; \ |
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int delayed_error; \ |
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int accepted_fd; \ |
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void* queued_fds; \ |
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UV_STREAM_PRIVATE_PLATFORM_FIELDS \ |
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#define UV_TCP_PRIVATE_FIELDS /* empty */ |
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#define UV_UDP_PRIVATE_FIELDS \ |
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uv_alloc_cb alloc_cb; \ |
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uv_udp_recv_cb recv_cb; \ |
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uv__io_t io_watcher; \ |
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void* write_queue[2]; \ |
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void* write_completed_queue[2]; \ |
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#define UV_PIPE_PRIVATE_FIELDS \ |
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const char* pipe_fname; /* strdup'ed */ |
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#define UV_POLL_PRIVATE_FIELDS \ |
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uv__io_t io_watcher; |
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#define UV_PREPARE_PRIVATE_FIELDS \ |
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uv_prepare_cb prepare_cb; \ |
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void* queue[2]; \ |
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#define UV_CHECK_PRIVATE_FIELDS \ |
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uv_check_cb check_cb; \ |
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void* queue[2]; \ |
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#define UV_IDLE_PRIVATE_FIELDS \ |
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uv_idle_cb idle_cb; \ |
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void* queue[2]; \ |
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#define UV_ASYNC_PRIVATE_FIELDS \ |
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uv_async_cb async_cb; \ |
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void* queue[2]; \ |
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int pending; \ |
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#define UV_TIMER_PRIVATE_FIELDS \ |
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uv_timer_cb timer_cb; \ |
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void* heap_node[3]; \ |
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uint64_t timeout; \ |
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uint64_t repeat; \ |
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uint64_t start_id; |
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#define UV_GETADDRINFO_PRIVATE_FIELDS \ |
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struct uv__work work_req; \ |
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uv_getaddrinfo_cb cb; \ |
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struct addrinfo* hints; \ |
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char* hostname; \ |
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char* service; \ |
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struct addrinfo* addrinfo; \ |
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int retcode; |
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#define UV_GETNAMEINFO_PRIVATE_FIELDS \ |
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struct uv__work work_req; \ |
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uv_getnameinfo_cb getnameinfo_cb; \ |
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struct sockaddr_storage storage; \ |
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int flags; \ |
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char host[NI_MAXHOST]; \ |
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char service[NI_MAXSERV]; \ |
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int retcode; |
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#define UV_PROCESS_PRIVATE_FIELDS \ |
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void* queue[2]; \ |
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int status; \ |
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#define UV_FS_PRIVATE_FIELDS \ |
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const char *new_path; \ |
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uv_file file; \ |
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int flags; \ |
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mode_t mode; \ |
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unsigned int nbufs; \ |
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uv_buf_t* bufs; \ |
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off_t off; \ |
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uv_uid_t uid; \ |
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uv_gid_t gid; \ |
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double atime; \ |
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double mtime; \ |
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struct uv__work work_req; \ |
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uv_buf_t bufsml[4]; \ |
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#define UV_WORK_PRIVATE_FIELDS \ |
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struct uv__work work_req; |
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#define UV_TTY_PRIVATE_FIELDS \ |
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struct termios orig_termios; \ |
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int mode; |
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#define UV_SIGNAL_PRIVATE_FIELDS \ |
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/* RB_ENTRY(uv_signal_s) tree_entry; */ \ |
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struct { \ |
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struct uv_signal_s* rbe_left; \ |
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struct uv_signal_s* rbe_right; \ |
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struct uv_signal_s* rbe_parent; \ |
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int rbe_color; \ |
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} tree_entry; \ |
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/* Use two counters here so we don have to fiddle with atomics. */ \ |
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unsigned int caught_signals; \ |
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unsigned int dispatched_signals; |
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#define UV_FS_EVENT_PRIVATE_FIELDS \ |
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uv_fs_event_cb cb; \ |
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UV_PLATFORM_FS_EVENT_FIELDS \ |
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/* fs open() flags supported on this platform: */ |
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#if defined(O_APPEND) |
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# define UV_FS_O_APPEND O_APPEND |
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#else |
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# define UV_FS_O_APPEND 0 |
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#endif |
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#if defined(O_CREAT) |
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# define UV_FS_O_CREAT O_CREAT |
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#else |
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# define UV_FS_O_CREAT 0 |
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#endif |
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#if defined(__linux__) && defined(__arm__) |
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# define UV_FS_O_DIRECT 0x10000 |
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#elif defined(__linux__) && defined(__m68k__) |
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# define UV_FS_O_DIRECT 0x10000 |
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#elif defined(__linux__) && defined(__mips__) |
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# define UV_FS_O_DIRECT 0x08000 |
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#elif defined(__linux__) && defined(__powerpc__) |
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# define UV_FS_O_DIRECT 0x20000 |
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#elif defined(__linux__) && defined(__s390x__) |
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# define UV_FS_O_DIRECT 0x04000 |
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#elif defined(__linux__) && defined(__x86_64__) |
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# define UV_FS_O_DIRECT 0x04000 |
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#elif defined(O_DIRECT) |
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# define UV_FS_O_DIRECT O_DIRECT |
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#else |
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# define UV_FS_O_DIRECT 0 |
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#endif |
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#if defined(O_DIRECTORY) |
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# define UV_FS_O_DIRECTORY O_DIRECTORY |
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#else |
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# define UV_FS_O_DIRECTORY 0 |
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#endif |
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#if defined(O_DSYNC) |
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# define UV_FS_O_DSYNC O_DSYNC |
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#else |
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# define UV_FS_O_DSYNC 0 |
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#endif |
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#if defined(O_EXCL) |
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# define UV_FS_O_EXCL O_EXCL |
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#else |
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# define UV_FS_O_EXCL 0 |
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#endif |
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#if defined(O_EXLOCK) |
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# define UV_FS_O_EXLOCK O_EXLOCK |
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#else |
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# define UV_FS_O_EXLOCK 0 |
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#endif |
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#if defined(O_NOATIME) |
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# define UV_FS_O_NOATIME O_NOATIME |
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#else |
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# define UV_FS_O_NOATIME 0 |
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#endif |
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#if defined(O_NOCTTY) |
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# define UV_FS_O_NOCTTY O_NOCTTY |
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#else |
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# define UV_FS_O_NOCTTY 0 |
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#endif |
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#if defined(O_NOFOLLOW) |
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# define UV_FS_O_NOFOLLOW O_NOFOLLOW |
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#else |
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# define UV_FS_O_NOFOLLOW 0 |
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#endif |
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#if defined(O_NONBLOCK) |
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# define UV_FS_O_NONBLOCK O_NONBLOCK |
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#else |
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# define UV_FS_O_NONBLOCK 0 |
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#endif |
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#if defined(O_RDONLY) |
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# define UV_FS_O_RDONLY O_RDONLY |
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#else |
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# define UV_FS_O_RDONLY 0 |
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#endif |
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#if defined(O_RDWR) |
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# define UV_FS_O_RDWR O_RDWR |
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#else |
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# define UV_FS_O_RDWR 0 |
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#endif |
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#if defined(O_SYMLINK) |
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# define UV_FS_O_SYMLINK O_SYMLINK |
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#else |
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# define UV_FS_O_SYMLINK 0 |
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#endif |
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#if defined(O_SYNC) |
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# define UV_FS_O_SYNC O_SYNC |
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#else |
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# define UV_FS_O_SYNC 0 |
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#endif |
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#if defined(O_TRUNC) |
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# define UV_FS_O_TRUNC O_TRUNC |
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#else |
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# define UV_FS_O_TRUNC 0 |
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#endif |
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#if defined(O_WRONLY) |
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# define UV_FS_O_WRONLY O_WRONLY |
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#else |
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# define UV_FS_O_WRONLY 0 |
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#endif |
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/* fs open() flags supported on other platforms: */ |
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#define UV_FS_O_FILEMAP 0 |
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#define UV_FS_O_RANDOM 0 |
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#define UV_FS_O_SHORT_LIVED 0 |
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#define UV_FS_O_SEQUENTIAL 0 |
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#define UV_FS_O_TEMPORARY 0 |
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#endif /* UV_UNIX_H */
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