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.TH WAIT 03/21/2013 "wait4 @PACKAGE_VERSION]" "wait4 Manual" |
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.SH NAME |
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wait4 \- Wait for arbitrary processes |
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.SH SYNOPSIS |
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.SY wait4 |
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.RB [ \-h | --help ] |
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.RB [ \-v | --version ] |
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.RB [ \-t | --timeout |
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.IR time ] |
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.IR pid ... |
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.YS |
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.SH DESCRIPTION |
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.PP |
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.B wait4 |
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waits for the process(es) identified by the specified PID(s) |
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to terminate, and reports the termination status of the |
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process whose PID is specified last. |
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.SH OPTIONS |
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.TP |
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.BR -h ", " --help |
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Display the help message. |
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.TP |
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.BR -v ", " --version |
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Display the version message. |
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.TP |
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.BR -t ", " --timeout " " \fItime\fR |
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Aborts waiting after the specified |
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.I time |
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(in seconds). |
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.SH NOTES |
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.PP |
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The ability to report the termination status of the waited |
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process depends on |
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.BR netlink (7). |
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On systems without netlink, a fallback |
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.BR kill (2)-based |
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mechanism is used, which does not allow to retrieve the |
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termination status; the exit status is then always 0. |
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.SH REPORTING BUGS |
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.PP |
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Report bugs to |
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.MT @PACKAGE_BUGREPORT@ |
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Damien Goutte-Gattat |
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.ME . |
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.SH COPYRIGHT |
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.ad l |
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.PP |
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Copyright \(co 2013 Damien Goutte-Gattat |
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.PP |
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This program is released under the GNU General Public License. |
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See the COPYING file in the source distribution or |
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.UR http://www.gnu.org/licenses/gpl.html |
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.UE . |