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#include <iostream.h> |
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#include <Fork.h> |
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|
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static void print (char* name, pid_t child) |
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{ |
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if (child) { |
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cerr << "Parent " << getppid () << "; " |
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<< name << ' ' << getpid () << "; Child " << child << ";\n"; |
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} else if (0) { |
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cerr << "Parent " << getppid () << "; " |
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<< name << "'s child " << getpid () << ";\n"; |
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} |
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} |
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|
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int main (int ac, char** av) |
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{ |
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Fork::suicide_signal (SIGTERM); |
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|
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Fork a(0, 1); |
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|
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print ("a", a.process_id ()); |
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|
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if (a.is_child ()) { |
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sleep (3000); |
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} else if (a.is_parent ()) { |
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Fork b (1, 1); |
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print ("b", b.process_id ()); |
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{ |
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Fork c (b.is_parent (), 1); |
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if (b.is_child ()) |
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print ("cchild", c.process_id ()); |
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else |
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print ("cparent", c.process_id ()); |
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if (c.is_child ()) { |
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sleep (3000); |
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return 0; |
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} |
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} |
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if (b.is_child ()) { |
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sleep (120); |
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return 0x8; |
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} |
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} |
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|
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return 0; |
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} |
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|
