49 lines
1.9 KiB
C++
49 lines
1.9 KiB
C++
/// \file procs.h
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/// Contains generic function headers for managing processes.
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#pragma once
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#include "tinythread.h"
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#include <deque>
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#include <set>
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#include <string>
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#include <unistd.h>
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#include <vector>
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#include <stdint.h>
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/// Contains utility code, not directly related to streaming media
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namespace Util{
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/// Deals with spawning, monitoring and stopping child processes
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class Procs{
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private:
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static tthread::mutex plistMutex;
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static std::set<pid_t> plist; ///< Holds active process list.
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static bool thread_handler; ///< True while thread handler should be running.
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static void childsig_handler(int signum);
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static void exit_handler();
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static char *const *dequeToArgv(std::deque<std::string> &argDeq);
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static void grim_reaper(void *n);
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public:
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static bool childRunning(pid_t p);
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static tthread::thread *reaper_thread;
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static bool handler_set; ///< If true, the sigchld handler has been setup.
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static void fork_prepare();
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static void fork_complete();
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static void setHandler();
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static std::string getOutputOf(char *const *argv, uint64_t maxWait = 0);
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static std::string getOutputOf(std::deque<std::string> &argDeq, uint64_t maxWait = 0);
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static std::string getLimitedOutputOf(char *const *argv, uint64_t maxWait, uint32_t maxValBytes);
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static pid_t StartPiped(const char *const *argv, int *fdin, int *fdout, int *fderr);
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static pid_t StartPiped(std::deque<std::string> &argDeq, int *fdin, int *fdout, int *fderr);
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static void Stop(pid_t name);
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static void Murder(pid_t name);
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static void StopAll();
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static int Count();
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static bool isActive(pid_t name);
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static bool isRunning(pid_t pid);
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static void forget(pid_t pid);
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static void remember(pid_t pid);
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static std::set<int> socketList; ///< Holds sockets that should be closed before forking
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static int kill_timeout;
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};
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}// namespace Util
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