27 lines
883 B
C
27 lines
883 B
C
/* Copyright (c) 2011-2017, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file util_process.h
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* \brief Headers for util_process.c
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**/
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#ifndef TOR_UTIL_PROCESS_H
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#define TOR_UTIL_PROCESS_H
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#ifndef _WIN32
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/** A callback structure waiting for us to get a SIGCHLD informing us that a
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* PID has been closed. Created by set_waitpid_callback. Cancelled or cleaned-
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* up from clear_waitpid_callback(). Do not access outside of the main thread;
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* do not access from inside a signal handler. */
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typedef struct waitpid_callback_t waitpid_callback_t;
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waitpid_callback_t *set_waitpid_callback(pid_t pid,
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void (*fn)(int, void *), void *arg);
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void clear_waitpid_callback(waitpid_callback_t *ent);
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void notify_pending_waitpid_callbacks(void);
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#endif /* !defined(_WIN32) */
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#endif /* !defined(TOR_UTIL_PROCESS_H) */
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