mirror of
https://gitlab.isc.org/isc-projects/bind9
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Only install default handlers for SIGTERM and SIGWAIT if we haven't installed
other handlers already.
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parent
473cb90680
commit
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@ -15,7 +15,7 @@
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* SOFTWARE.
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* SOFTWARE.
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*/
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*/
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/* $Id: app.c,v 1.20 2000/07/11 19:18:05 bwelling Exp $ */
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/* $Id: app.c,v 1.21 2000/07/12 01:46:57 bwelling Exp $ */
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#include <config.h>
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#include <config.h>
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@ -154,17 +154,22 @@ isc_app_start(void) {
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* will not cause sigwait() to return. We may have inherited
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* will not cause sigwait() to return. We may have inherited
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* unexpected actions for SIGHUP, SIGINT, and SIGTERM from our parent
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* unexpected actions for SIGHUP, SIGINT, and SIGTERM from our parent
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* process, * (e.g, Solaris cron). Set an action of SIG_DFL to make
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* process, * (e.g, Solaris cron). Set an action of SIG_DFL to make
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* sure sigwait() works as expected.
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* sure sigwait() works as expected. Only do this for SIGTERM and
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* SIGINT if we don't have sigwait(), since a different handler is
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* installed above.
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*/
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*/
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result = handle_signal(SIGHUP, SIG_DFL);
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result = handle_signal(SIGHUP, SIG_DFL);
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if (result != ISC_R_SUCCESS)
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if (result != ISC_R_SUCCESS)
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return (result);
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return (result);
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#ifdef HAVE_SIGWAIT
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result = handle_signal(SIGTERM, SIG_DFL);
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result = handle_signal(SIGTERM, SIG_DFL);
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if (result != ISC_R_SUCCESS)
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if (result != ISC_R_SUCCESS)
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return (result);
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return (result);
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result = handle_signal(SIGINT, SIG_DFL);
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result = handle_signal(SIGINT, SIG_DFL);
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if (result != ISC_R_SUCCESS)
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if (result != ISC_R_SUCCESS)
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return (result);
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return (result);
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#endif
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/*
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/*
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* Block SIGHUP, SIGINT, SIGTERM.
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* Block SIGHUP, SIGINT, SIGTERM.
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