scc

commit 3ac7aacccae089572f5068ca516fe39ada4ead84
parent 27c9f34bbbbbd150afef63255816ca0c40f24d95
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Sat, 20 Jan 2024 23:00:37 +0100

make: Use volatile for stop

As stop can be modfied asynchrously by a signal handler using
volatile is safer, even when it is used in a loop calling
different functions.

Diffstat:
M
src/cmd/make/main.c
 | 
2
+-
M
src/cmd/make/make.h
 | 
2
+-

2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/cmd/make/main.c b/src/cmd/make/main.c
@@ -26,7 +26,7 @@
 int kflag, dflag, nflag, iflag, sflag;
 int eflag, pflag, tflag, qflag;
 int exitstatus;
-sig_atomic_t  stop;
+volatile sig_atomic_t  stop;
 
 void
 debug(char *fmt, ...)
diff --git a/src/cmd/make/make.h b/src/cmd/make/make.h
@@ -57,7 +57,7 @@ extern int eflag, pflag, tflag, qflag;
 extern int exitstatus;
 
 #ifdef SIGABRT
-extern sig_atomic_t stop;
+extern volatile sig_atomic_t stop;
 #endif
 
 /* defaults.c */