19990502 sourceware importbinu_ss_19990502

1 files changed, 30 insertions, 0 deletions

diff --git a/libiberty/sigsetmask.c b/libiberty/sigsetmask.c
new file mode 100644
index 0000000..2a09e6a
--- /dev/null
+++ b/libiberty/sigsetmask.c
@@ -0,0 +1,30 @@
+/* Version of sigsetmask.c
+   Written by Steve Chamberlain (sac@cygnus.com).
+   Contributed by Cygnus Support.
+   This file is in the public doamin. */
+
+/* Set the current signal mask to the set provided, and return the 
+   previous value */
+
+#define _POSIX_SOURCE
+#include <ansidecl.h>
+/* Including <sys/types.h> seems to be needed by ISC. */
+#include <sys/types.h>
+#include <signal.h>
+
+#ifdef SIG_SETMASK
+int
+DEFUN(sigsetmask,(set),
+      int set)
+{
+    sigset_t new;
+    sigset_t old;
+    
+    sigemptyset (&new);
+    if (set != 0) {
+      abort();	/* FIXME, we don't know how to translate old mask to new */
+    }
+    sigprocmask(SIG_SETMASK, &new, &old);
+    return 1;	/* FIXME, we always return 1 as old value.  */
+}
+#endif