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(debug_signal_handler): New function; toggles debug_flag.

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(main): Handle SIGUSR1 with that.
This commit is contained in:
Roland McGrath 1995-01-26 06:29:18 +00:00
parent b4890bdb1c
commit 3fb9ebf83f
1 changed files with 14 additions and 0 deletions
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14
main.c
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@ -397,6 +397,15 @@ enter_command_line_file (name)
return enter_file (savestring (name, strlen (name)));
}
/* Toggle -d on receipt of SIGUSR1. */
static RETSIGTYPE
debug_signal_handler (sig)
int sig;
{
debug_flag = ! debug_flag;
}
int
main (argc, argv, envp)
int argc;
@ -744,6 +753,11 @@ main (argc, argv, envp)
(void) signal (SIGCLD, child_handler);
#endif
/* Let the user send us SIGUSR1 to toggle the -d flag during the run. */
#ifdef SIGUSR1
(void) signal (SIGUSR1, debug_signal_handler);
#endif
/* Define the initial list of suffixes for old-style rules. */
set_default_suffixes ();