mirror of https://github.com/Icinga/icinga2.git
43 lines
568 B
C++
43 lines
568 B
C++
#include "i2-base.h"
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using namespace icinga;
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/**
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* Daemonize
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*
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* Detaches from the controlling terminal.
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*/
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void Utility::Daemonize(void) {
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#ifndef _WIN32
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pid_t pid;
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int fd;
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pid = fork();
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if (pid < 0)
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throw PosixException("fork failed", errno);
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if (pid)
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exit(0);
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fd = open("/dev/null", O_RDWR);
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if (fd < 0)
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throw PosixException("open failed", errno);
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if (fd != 0)
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dup2(fd, 0);
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if (fd != 1)
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dup2(fd, 1);
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if (fd != 2)
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dup2(fd, 2);
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if (fd > 2)
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close(fd);
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if (setsid() < 0)
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throw PosixException("setsid failed", errno);
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#endif
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}
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