scc

commit a1ca74d8062b528533a7e014bb36b97695ee0c6e
parent 70566806e4b29de8864bb902bcecdfc15c74368a
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Mon,  6 Feb 2023 21:57:35 +0100

driver/posix: Add clean signal handling

Scc tends to generate too many intermediate files and
in case of signals we were not removing them. This helps
a bit in the case of signals that do not involve programming
errors.

Diffstat:
M
src/cmd/cc/posix/cc.c
 | 
10
++++++++++

1 file changed, 10 insertions(+), 0 deletions(-)
diff --git a/src/cmd/cc/posix/cc.c b/src/cmd/cc/posix/cc.c
@@ -85,6 +85,13 @@ terminate(void)
 }
 
 static void
+sighandler(int sig)
+{
+	terminate();
+	_exit(1);
+}
+
+static void
 addarg(int tool, char *arg)
 {
 	struct tool *t = &tools[tool];
@@ -485,6 +492,9 @@ main(int argc, char *argv[])
 	int link, n;
 
 	atexit(terminate);
+	signal(SIGHUP, sighandler);
+	signal(SIGINT, sighandler);
+	signal(SIGTERM, sighandler);
 
 	if (!(arch = getenv("ARCH")))
 		arch = ARCH;