summaryrefslogtreecommitdiffstats
path: root/shell/beispiele/fork_signal/signal.c
diff options
context:
space:
mode:
authorStefan Zabka <zabkaste@hu-berlin.de>2020-05-24 12:09:46 +0200
committerStefan Zabka <zabkaste@hu-berlin.de>2020-05-24 12:09:46 +0200
commit65966ded0cc15c5966c6568cf0ff2f2bbe1fc29a (patch)
tree60af69be16926ef0f24ad2a954d9205ce9277450 /shell/beispiele/fork_signal/signal.c
parent3b7e61eab8ce5d230bc1b172942c1ab9459ed161 (diff)
downloadbetriebssysteme-65966ded0cc15c5966c6568cf0ff2f2bbe1fc29a.tar.gz
betriebssysteme-65966ded0cc15c5966c6568cf0ff2f2bbe1fc29a.zip
Big remodelling
Diffstat (limited to 'shell/beispiele/fork_signal/signal.c')
-rw-r--r--shell/beispiele/fork_signal/signal.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/shell/beispiele/fork_signal/signal.c b/shell/beispiele/fork_signal/signal.c
new file mode 100644
index 0000000..500d2e1
--- /dev/null
+++ b/shell/beispiele/fork_signal/signal.c
@@ -0,0 +1,21 @@
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+
+void sig_handler(int signo) {
+ const char msg[] = "Speicherzugriffsfehler!\n";
+ write(2, msg, sizeof(msg) - 1);
+ exit(-1);
+}
+
+int main(void) {
+ if (signal(SIGSEGV, sig_handler) == SIG_ERR) {
+ perror("signal");
+ exit(-1);
+ }
+
+ int array[1] = {0};
+ array[1000000] = 3;
+ return 0;
+}