GNU/Linux man pages
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GNU/Linux |
CentOS 5.4 |
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signal.send.return(3stap) |
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signal.send.return − Signal being sent to a process completed
signal.send.return
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retstr |
The return value to either <command>__group_send_sig_info</command>, <command>specific_send_sig_info</command>, or <command>send_sigqueue</command> |
send2queue
Indicates whether the sent signal was sent to an existing <command>sigqueue</command>
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name |
The name of the function used to send out the signal | ||
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shared |
Indicates whether the sent signal is shared by the thread group. |
The signal’s sender. <remark>(correct?)</remark>
Possible <command>__group_send_sig_info</command> and <command>specific_send_sig_info</command> return values are as follows;
<command>0</command> −− The signal is sucessfully sent to a process, which means that <1> the signal was ignored by the receiving process, <2> this is a non−RT signal and the system already has one queued, and <3> the signal was successfully added to the <command>sigqueue</command> of the receiving process.
<command>−EAGAIN</command> −− The <command>sigqueue</command> of the receiving process is overflowing, the signal was RT, and the signal was sent by a user using something other than <command>kill</command>.
Possible <command>send_group_sigqueue</command> and <command>send_sigqueue</command> return values are as follows;
<command>0</command> −− The signal was either sucessfully added into the <command>sigqueue</command> of the receiving process, or a <command>SI_TIMER</command> entry is already queued (in which case, the overrun count will be simply incremented).
<command>1</command> −− The signal was ignored by the receiving process.
<command>−1</command> −− (<command>send_sigqueue</command> only) The task was marked <command>exiting</command>, allowing * <command>posix_timer_event</command> to redirect it to the group leader.
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signal.send.return(3stap) | |