* 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/branches/ruby_1_8@15476 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

4 files changed, 26 insertions, 12 deletions

diff --git a/ChangeLog b/ChangeLog
index 83196a95d7..c65931ed3e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Fri Feb 15 02:40:54 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* configure.in (sigsetmask): check when signal semantics is not POSIX.
+
+	* signal.c (USE_TRAP_MASK): set true if sigprocmask or sigsetmask is
+	  available.
+
 Thu Feb 14 17:44:32 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* ext/dl/ptr.c (dlmem_each_i): typo fixed.  a patch from IKOMA
diff --git a/configure.in b/configure.in
index c4068676e8..8837fdb091 100644
--- a/configure.in
+++ b/configure.in
@@ -670,6 +670,7 @@ fi
 if test "$ac_cv_func_sigprocmask" = yes && test "$ac_cv_func_sigaction" = yes; then
    AC_DEFINE(POSIX_SIGNAL)
 else
+  AC_CHECK_FUNCS(sigsetmask)
   AC_CACHE_CHECK(for BSD signal semantics, rb_cv_bsd_signal,
     [AC_TRY_RUN([
 #include <stdio.h>
@@ -692,7 +693,7 @@ main()
 ],
 	rb_cv_bsd_signal=yes,
 	rb_cv_bsd_signal=no,
-	rb_cv_bsd_signal=no)])
+	rb_cv_bsd_signal=$ac_cv_func_sigsetmask)])
   if test "$rb_cv_bsd_signal" = yes; then
     AC_DEFINE(BSD_SIGNAL)
   fi
diff --git a/signal.c b/signal.c
index 4f57d455b2..401dd90d5b 100644
--- a/signal.c
+++ b/signal.c
@@ -21,6 +21,12 @@
 #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
@@ -666,7 +672,7 @@ rb_trap_exec()
 }
 
 struct trap_arg {
-#ifndef _WIN32
+#if USE_TRAP_MASK
 # ifdef HAVE_SIGPROCMASK
     sigset_t mask;
 # else
@@ -815,7 +821,7 @@ trap(arg)
     trap_list[sig].cmd = command;
     trap_list[sig].safe = ruby_safe_level;
     /* enable at least specified signal. */
-#ifndef _WIN32
+#if USE_TRAP_MASK
 #ifdef HAVE_SIGPROCMASK
     sigdelset(&arg->mask, sig);
 #else
@@ -825,7 +831,7 @@ trap(arg)
     return oldcmd;
 }
 
-#ifndef _WIN32
+#if USE_TRAP_MASK
 static VALUE
 trap_ensure(arg)
     struct trap_arg *arg;
@@ -844,7 +850,7 @@ trap_ensure(arg)
 void
 rb_trap_restore_mask()
 {
-#ifndef _WIN32
+#if USE_TRAP_MASK
 # ifdef HAVE_SIGPROCMASK
     sigprocmask(SIG_SETMASK, &trap_last_mask, NULL);
 # else
@@ -904,7 +910,7 @@ sig_trap(argc, 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);
@@ -987,7 +993,7 @@ init_sigchld(sig)
     int sig;
 {
     sighandler_t oldfunc;
-#ifndef _WIN32
+#if USE_TRAP_MASK
 # ifdef HAVE_SIGPROCMASK
     sigset_t mask;
 # else
@@ -995,7 +1001,7 @@ init_sigchld(sig)
 # endif
 #endif
 
-#ifndef _WIN32
+#if USE_TRAP_MASK
     /* disable interrupt */
 # ifdef HAVE_SIGPROCMASK
     sigfillset(&mask);
@@ -1012,7 +1018,7 @@ init_sigchld(sig)
 	trap_list[sig].cmd = 0;
     }
 
-#ifndef _WIN32
+#if USE_TRAP_MASK
 #ifdef HAVE_SIGPROCMASK
     sigdelset(&mask, sig);
     sigprocmask(SIG_SETMASK, &mask, NULL);
diff --git a/version.h b/version.h
index 14be42b2f9..9375f6bd5d 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.8.6"
-#define RUBY_RELEASE_DATE "2008-02-14"
+#define RUBY_RELEASE_DATE "2008-02-15"
 #define RUBY_VERSION_CODE 186
-#define RUBY_RELEASE_CODE 20080214
+#define RUBY_RELEASE_CODE 20080215
 #define RUBY_PATCHLEVEL 5000
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 6
 #define RUBY_RELEASE_YEAR 2008
 #define RUBY_RELEASE_MONTH 2
-#define RUBY_RELEASE_DAY 14
+#define RUBY_RELEASE_DAY 15
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];