Add SPDX license identifiers to source files under the LGPL

[thirdparty/systemd.git] / src / basic / signal-util.c

diff --git a/src/basic/signal-util.c b/src/basic/signal-util.c
index 315efadd93b101c07fc3ea37bc44586f452a3fa9..3137f3d079c49272a95d9fe9b89360860c35c143 100644 (file)
--- a/src/basic/signal-util.c
+++ b/src/basic/signal-util.c
@@ -1,5 +1,4 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   This file is part of systemd.
 
@@ -40,7 +39,7 @@ int reset_all_signal_handlers(void) {
         for (sig = 1; sig < _NSIG; sig++) {
 
                 /* These two cannot be caught... */
-                if (sig == SIGKILL || sig == SIGSTOP)
+                if (IN_SET(sig, SIGKILL, SIGSTOP))
                         continue;
 
                 /* On Linux the first two RT signals are reserved by
@@ -257,7 +256,7 @@ int signal_from_string(const char *s) {
         }
         if (safe_atou(s, &u) >= 0) {
                 signo = (int) u + offset;
-                if (signo > 0 && signo < _NSIG)
+                if (SIGNAL_VALID(signo))
                         return signo;
         }
         return -EINVAL;