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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-02-14 17:40:56 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-02-14 17:40:56 +0000
commit82f631ac5740af938ccb3ee5f05f3463e0e44854 (patch)
treee6c11f828b367e3d8c64e246fdaccf23b4f7dcb1 /signal.c
parent67d0ce36f5c9405434a5a97230ca3593dbe86974 (diff)
* configure.in (sigsetmask): check when signal semantics is not POSIX.
* signal.c (USE_TRAP_MASK): set true if sigprocmask or sigsetmask is available. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15476 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'signal.c')
-rw-r--r--signal.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/signal.c b/signal.c
index 1618caf890..75d0a0fe5e 100644
--- a/signal.c
+++ b/signal.c
@@ -22,6 +22,12 @@
#undef SIGBUS
#endif
+#if defined HAVE_SIGPROCMASK || defined HAVE_SIGSETMASK
+#define USE_TRAP_MASK 1
+#else
+#define USE_TRAP_MASK 0
+#endif
+
#ifndef NSIG
# ifdef DJGPP
# define NSIG SIGMAX
@@ -629,7 +635,7 @@ rb_trap_exec(void)
}
struct trap_arg {
-#ifndef _WIN32
+#if USE_TRAP_MASK
# ifdef HAVE_SIGPROCMASK
sigset_t mask;
# else
@@ -813,7 +819,7 @@ trap(struct trap_arg *arg)
trap_list[sig].cmd = command;
/* enable at least specified signal. */
-#ifndef _WIN32
+#if USE_TRAP_MASK
#ifdef HAVE_SIGPROCMASK
sigdelset(&arg->mask, sig);
#else
@@ -823,7 +829,7 @@ trap(struct trap_arg *arg)
return oldcmd;
}
-#ifndef _WIN32
+#if USE_TRAP_MASK
static VALUE
trap_ensure(struct trap_arg *arg)
{
@@ -841,7 +847,7 @@ trap_ensure(struct trap_arg *arg)
void
rb_trap_restore_mask(void)
{
-#ifndef _WIN32
+#if USE_TRAP_MASK
# ifdef HAVE_SIGPROCMASK
sigprocmask(SIG_SETMASK, &trap_last_mask, NULL);
# else
@@ -904,7 +910,7 @@ sig_trap(int argc, VALUE *argv)
if (OBJ_TAINTED(arg.cmd)) {
rb_raise(rb_eSecurityError, "Insecure: tainted signal trap");
}
-#ifndef _WIN32
+#if USE_TRAP_MASK
/* disable interrupt */
# ifdef HAVE_SIGPROCMASK
sigfillset(&arg.mask);
@@ -955,7 +961,7 @@ static void
init_sigchld(int sig)
{
sighandler_t oldfunc;
-#ifndef _WIN32
+#if USE_TRAP_MASK
# ifdef HAVE_SIGPROCMASK
sigset_t mask;
# else
@@ -963,7 +969,7 @@ init_sigchld(int sig)
# endif
#endif
-#ifndef _WIN32
+#if USE_TRAP_MASK
/* disable interrupt */
# ifdef HAVE_SIGPROCMASK
sigfillset(&mask);
@@ -980,7 +986,7 @@ init_sigchld(int sig)
trap_list[sig].cmd = 0;
}
-#ifndef _WIN32
+#if USE_TRAP_MASK
#ifdef HAVE_SIGPROCMASK
sigdelset(&mask, sig);
sigprocmask(SIG_SETMASK, &mask, NULL);