FreeBSD: Add comment to SIG_SUSPEND/THR_RESTART definitions

* include/private/gcconfig.h (SIG_SUSPEND, SIG_THR_RESTART): Add
comment (suggest alternate value) for FreeBSD/i386, FreeBSD/alpha and
FreeBSD/x86_64.

diff --git a/include/private/gcconfig.h b/include/private/gcconfig.h
index d68b56115ef105bad7e3660a864d7cd9c40440f1..0e30abcab000772cacfc855a05c7a3f8ebf6318d 100644 (file)
--- a/include/private/gcconfig.h
+++ b/include/private/gcconfig.h
@@ -1350,6 +1350,7 @@
 #       else
 #           define SIG_SUSPEND SIGUSR1
 #           define SIG_THR_RESTART SIGUSR2
+                /* SIGTSTP and SIGCONT could be used alternatively.     */
 #       endif
 #       define FREEBSD_STACKBOTTOM
 #       ifdef __ELF__
@@ -1687,6 +1688,7 @@
 /* MPROTECT_VDB is not yet supported at all on FreeBSD/alpha. */
 #       define SIG_SUSPEND SIGUSR1
 #       define SIG_THR_RESTART SIGUSR2
+                /* SIGTSTP and SIGCONT could be used alternatively.     */
 #       define FREEBSD_STACKBOTTOM
 #       ifdef __ELF__
 #           define DYNAMIC_LOADING
@@ -2179,6 +2181,7 @@
 #       else
 #           define SIG_SUSPEND SIGUSR1
 #           define SIG_THR_RESTART SIGUSR2
+                /* SIGTSTP and SIGCONT could be used alternatively.     */
 #       endif
 #       define FREEBSD_STACKBOTTOM
 #       ifdef __ELF__