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(SA_NOCLDSTOP): Define to 0 if not defined.

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All uses changed.
(siginterrupt) [! HAVE_SIGINTERRUPT]: New macro.
(main) [! SA_NOCLDSTOP]: Use it.
This commit is contained in:
Paul Eggert
2005-04-09 04:57:37 +00:00
parent 9fd2c631bf
commit ed74cc7c26
1 changed files with 13 additions and 5 deletions
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src/sort.c
+13 -5
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@@ -55,9 +55,15 @@ struct rlimit { size_t rlim_cur; };
# include <langinfo.h>
#endif
/* Use SA_NOCLDSTOP as a proxy for whether the sigaction machinery is
present. */
#ifndef SA_NOCLDSTOP
# define SA_NOCLDSTOP 0
# define sigprocmask(How, Set, Oset) /* empty */
# define sigset_t int
# if ! HAVE_SIGINTERRUPT
# define siginterrupt(sig, flag) /* empty */
# endif
#endif
#ifndef STDC_HEADERS
@@ -2210,9 +2216,8 @@ parse_field_count (char const *string, size_t *val, char const *msgid)
static void
sighandler (int sig)
{
#ifndef SA_NOCLDSTOP
signal (sig, SIG_IGN);
#endif
if (! SA_NOCLDSTOP)
signal (sig, SIG_IGN);
cleanup ();
@@ -2337,7 +2342,7 @@ main (int argc, char **argv)
static int const sig[] = { SIGHUP, SIGINT, SIGPIPE, SIGTERM };
enum { nsigs = sizeof sig / sizeof sig[0] };
#ifdef SA_NOCLDSTOP
#if SA_NOCLDSTOP
struct sigaction act;
sigemptyset (&caught_signals);
@@ -2358,7 +2363,10 @@ main (int argc, char **argv)
#else
for (i = 0; i < nsigs; i++)
if (signal (sig[i], SIG_IGN) != SIG_IGN)
signal (sig[i], sighandler);
{
signal (sig[i], sighandler);
siginterrupt (sig[i], 1);
}
#endif
}