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a/src/utils/execmd.h |
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b/src/utils/execmd.h |
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* of concerns with multithreaded programs).
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* of concerns with multithreaded programs).
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*
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*
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*/
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*/
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class ExecCmd {
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class ExecCmd {
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public:
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public:
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// Use vfork instead of fork. This must not be called in a multithreaded
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// program.
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static void useVfork(bool on)
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{
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o_useVfork = on;
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}
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/**
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/**
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* Add/replace environment variable before executing command. This must
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* Add/replace environment variable before executing command. This must
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* be called before doexec() to have an effect (possibly multiple
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* be called before doexec() to have an effect (possibly multiple
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* times for several variables).
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* times for several variables).
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* @param envassign an environment assignment string ("name=value")
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* @param envassign an environment assignment string ("name=value")
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... |
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/**
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/**
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* Get rid of current process (become ready for start).
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* Get rid of current process (become ready for start).
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*/
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*/
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void zapChild() {setKill(); (void)wait();}
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void zapChild() {setKill(); (void)wait();}
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ExecCmd()
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ExecCmd()
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: m_advise(0), m_provide(0), m_timeoutMs(1000)
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: m_advise(0), m_provide(0), m_timeoutMs(1000)
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{
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{
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reset();
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reset();
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}
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}
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~ExecCmd();
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~ExecCmd();
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*/
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*/
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static bool which(const string& cmd, string& exe, const char* path = 0);
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static bool which(const string& cmd, string& exe, const char* path = 0);
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friend class ExecCmdRsrc;
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friend class ExecCmdRsrc;
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private:
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private:
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static bool o_useVfork;
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vector<string> m_env;
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vector<string> m_env;
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ExecCmdAdvise *m_advise;
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ExecCmdAdvise *m_advise;
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ExecCmdProvide *m_provide;
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ExecCmdProvide *m_provide;
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bool m_killRequest;
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bool m_killRequest;
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int m_timeoutMs;
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int m_timeoutMs;
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m_pipein[0] = m_pipein[1] = m_pipeout[0] = m_pipeout[1] = -1;
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m_pipein[0] = m_pipein[1] = m_pipeout[0] = m_pipeout[1] = -1;
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m_pid = -1;
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m_pid = -1;
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sigemptyset(&m_blkcld);
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sigemptyset(&m_blkcld);
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}
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}
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// Child process code
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// Child process code
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void dochild(const string &cmd, const vector<string>& args,
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inline void dochild(const string &cmd, const char **argv,
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bool has_input, bool has_output);
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const char **envv, bool has_input, bool has_output);
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/* Copyconst and assignment private and forbidden */
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/* Copyconst and assignment private and forbidden */
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ExecCmd(const ExecCmd &) {}
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ExecCmd(const ExecCmd &) {}
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ExecCmd& operator=(const ExecCmd &) {return *this;};
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ExecCmd& operator=(const ExecCmd &) {return *this;};
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};
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};
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