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89393a77e5
This patch adds support for getting the unique process identifier from a given process_t. This patch implements both support for both the Unix and Microsoft Windows backend. See: https://bugs.torproject.org/28179
67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/* Copyright (c) 2003-2004, Roger Dingledine
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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* Copyright (c) 2007-2018, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file process_unix.h
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* \brief Header for process_unix.c
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**/
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#ifndef TOR_PROCESS_UNIX_H
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#define TOR_PROCESS_UNIX_H
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#ifndef _WIN32
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#include "orconfig.h"
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#include "lib/malloc/malloc.h"
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#include <event2/event.h>
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struct process_t;
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struct process_unix_t;
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typedef struct process_unix_t process_unix_t;
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process_unix_t *process_unix_new(void);
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void process_unix_free_(process_unix_t *unix_process);
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#define process_unix_free(s) \
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FREE_AND_NULL(process_unix_t, process_unix_free_, (s))
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process_status_t process_unix_exec(struct process_t *process);
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process_pid_t process_unix_get_pid(struct process_t *process);
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int process_unix_write(struct process_t *process, buf_t *buffer);
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int process_unix_read_stdout(struct process_t *process, buf_t *buffer);
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int process_unix_read_stderr(struct process_t *process, buf_t *buffer);
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#ifdef PROCESS_UNIX_PRIVATE
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struct process_unix_handle_t;
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typedef struct process_unix_handle_t process_unix_handle_t;
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STATIC void stdout_read_callback(evutil_socket_t fd, short event, void *data);
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STATIC void stderr_read_callback(evutil_socket_t fd, short event, void *data);
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STATIC void stdin_write_callback(evutil_socket_t fd, short event, void *data);
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STATIC void process_unix_start_reading(process_unix_handle_t *);
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STATIC void process_unix_stop_reading(process_unix_handle_t *);
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STATIC void process_unix_start_writing(process_unix_handle_t *);
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STATIC void process_unix_stop_writing(process_unix_handle_t *);
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STATIC void process_unix_waitpid_callback(int status, void *data);
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STATIC void process_unix_setup_handle(process_t *process,
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process_unix_handle_t *handle,
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short flags,
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event_callback_fn callback);
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STATIC int process_unix_read_handle(process_t *,
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process_unix_handle_t *,
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buf_t *);
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#endif /* defined(PROCESS_UNIX_PRIVATE). */
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#endif /* defined(_WIN32). */
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#endif /* defined(TOR_PROCESS_UNIX_H). */
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