20 lines
763 B
Diff
20 lines
763 B
Diff
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Do not setup SIGHUP signal handler if we are in the batch mode
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Top enables a signal handler for the SIGHUP signal (loss of terminal). While
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this makes sense for top's default interactive mode, it doesn't make any sense
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for batch mode. If you run top in nohup just to collect data over time and
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disconnect top finishes which is not what one would expect.
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Index: procps-3.2.8/top.c
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--- top/top.c
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+++ top/top.c 2012-06-04 10:13:48.576010662 +0000
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@@ -2147,6 +2147,8 @@ static void before (char *me) {
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = SA_RESTART;
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for (i = SIGRTMAX; i; i--) {
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+ if (Batch && i == SIGHUP)
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+ continue;
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switch (i) {
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case SIGALRM: case SIGHUP: case SIGINT:
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case SIGPIPE: case SIGQUIT: case SIGTERM:
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