Support sigprocmask.

defines.ds

@@ -281,6 +281,13 @@
 /* Define if you have the sigsetmask function. */
 #define HAVE_SIGSETMASK 0
 
+/* Define if you have the sigprocmask function. */
+#define HAVE_SIGPROCMASK 0
+
+/* Define if you have the sigset_t type and sigemptyset macro */
+#define HAVE_SIGSET_T 0
+#define HAVE_SIGEMPTYSET 0
+
 /* Define if you have the stat function. */
 #define HAVE_STAT 1
 

defines.o2

@@ -244,6 +244,13 @@
 /* Define if you have the sigsetmask function. */
 #define HAVE_SIGSETMASK 0
 
+/* Define if you have the sigprocmask function. */
+#define HAVE_SIGPROCMASK 0
+
+/* Define if you have the sigset_t type and sigemptyset macro */
+#define HAVE_SIGSET_T 0
+#define HAVE_SIGEMPTYSET 0
+
 /* Define if you have the stat function. */
 #define HAVE_STAT 1
 

defines.o9

@@ -261,6 +261,13 @@
 /* Define if you have the sigsetmask function. */
 #define HAVE_SIGSETMASK 0
 
+/* Define if you have the sigprocmask function. */
+#define HAVE_SIGPROCMASK 0
+
+/* Define if you have the sigset_t type and sigemptyset macro */
+#define HAVE_SIGSET_T 0
+#define HAVE_SIGEMPTYSET 0
+
 /* Define if you have the stat function. */
 #define HAVE_STAT 0
 

defines.wn

@@ -245,6 +245,13 @@
 /* Define if you have the sigsetmask function. */
 #define HAVE_SIGSETMASK 0
 
+/* Define if you have the sigprocmask function. */
+#define HAVE_SIGPROCMASK 0
+
+/* Define if you have the sigset_t type and sigemptyset macro */
+#define HAVE_SIGSET_T 0
+#define HAVE_SIGEMPTYSET 0
+
 /* Define if you have the stat function. */
 #define HAVE_STAT 1
 

less.h

@@ -359,6 +359,20 @@ struct textlist
 #define LSIGNAL(sig,func) signal(sig,func)
 #endif
 
+#if HAVE_SIGPROCMASK
+#if HAVE_SIGSET_T
+#else
+#undef HAVE_SIGPROCMASK
+#endif
+#endif
+#if HAVE_SIGPROCMASK
+#if HAVE_SIGEMPTYSET
+#else
+#undef sigemptyset
+#define sigemptyset(mp) *(mp) = 0
+#endif
+#endif
+
 #define S_INTERRUPT 01
 #define S_STOP 02
 #define S_WINCH 04

os.c

@@ -99,12 +99,20 @@ iread(fd, buf, len)
  * We jumped here from intread.
  */
  reading = 0;
+#if HAVE_SIGPROCMASK
+ {
+ sigset_t mask;
+ sigemptyset(&mask);
+ sigprocmask(SIG_SETMASK, &mask, NULL);
+ }
+#else
 #if HAVE_SIGSETMASK
  sigsetmask(0);
 #else
 #ifdef _OSK
  sigmask(~0);
 #endif
+#endif
 #endif
  return (READ_INTR);
  }

version.c

@@ -597,6 +597,7 @@ v354 3/23/00 Add support for PCRE; add --with-regex configure option.
 -----------------------------------------------------------------
 v355 6/28/00 Add -# option (thanks to Andy Levinson).
 v356 7/5/00 Add -J option.
+v357 7/6/00 Support sigprocmask.
 */
 
-char version[] = "356";
+char version[] = "357";