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-rw-r--r--contrib/binutils/libiberty/sigsetmask.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/contrib/binutils/libiberty/sigsetmask.c b/contrib/binutils/libiberty/sigsetmask.c
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+++ b/contrib/binutils/libiberty/sigsetmask.c
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+/* Version of sigsetmask.c
+ Written by Steve Chamberlain (sac@cygnus.com).
+ Contributed by Cygnus Support.
+ This file is in the public doamin. */
+
+/*
+
+@deftypefn Supplemental int sigsetmask (int @var{set})
+
+Sets the signal mask to the one provided in @var{set} and returns
+the old mask (which, for libiberty's implementation, will always
+be the value @code{1}).
+
+@end deftypefn
+
+*/
+
+#define _POSIX_SOURCE
+#include <ansidecl.h>
+/* Including <sys/types.h> seems to be needed by ISC. */
+#include <sys/types.h>
+#include <signal.h>
+
+extern void abort PARAMS ((void)) ATTRIBUTE_NORETURN;
+
+#ifdef SIG_SETMASK
+int
+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
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