summaryrefslogtreecommitdiffstats
path: root/02_exercise/beispiele/fork_signal
diff options
context:
space:
mode:
Diffstat (limited to '02_exercise/beispiele/fork_signal')
-rw-r--r--02_exercise/beispiele/fork_signal/Makefile19
-rw-r--r--02_exercise/beispiele/fork_signal/fork.c39
-rw-r--r--02_exercise/beispiele/fork_signal/signal.c21
3 files changed, 0 insertions, 79 deletions
diff --git a/02_exercise/beispiele/fork_signal/Makefile b/02_exercise/beispiele/fork_signal/Makefile
deleted file mode 100644
index 499b8cb..0000000
--- a/02_exercise/beispiele/fork_signal/Makefile
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/usr/bin/make
-.SUFFIXES:
-
-CFLAGS = -c -O0
-
-%.o: %.c
- $(CC) $(CFLAGS) $^ -o $@
-
-%: %.o
- $(CC) -o $@ $^
-
-all: fork signal
-
-run: all
- ./fork 10
- ./signal
-
-clean:
- $(RM) $(RMFILES) fork signal
diff --git a/02_exercise/beispiele/fork_signal/fork.c b/02_exercise/beispiele/fork_signal/fork.c
deleted file mode 100644
index b144577..0000000
--- a/02_exercise/beispiele/fork_signal/fork.c
+++ /dev/null
@@ -1,39 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-
-int main(int argc, const char* argv[]) {
- pid_t pid;
- int h;
- int count;
-
- if (argc < 2) {
- printf("Usage: ./fork process#\n");
- return 0;
- }
-
- count = atoi(argv[1]) - 1;
- printf("Process#: %d\n", count + 1);
- printf("Parent started\n");
-
- pid = 1;
- for (h = 0; h < count; ++h) {
- if ((pid = fork()) < 0)
- printf("fork error\n");
- else if (pid == 0) {
- printf("Child %d started\n", h);
- sleep(1);
- printf("Child %d finished\n", h);
- exit(0);
- }
- }
-
- printf("Parent waiting\n");
- for (h = 0; h < count; ++h) {
- wait(NULL);
- }
- printf("Parent finished\n");
- return EXIT_SUCCESS;
-}
diff --git a/02_exercise/beispiele/fork_signal/signal.c b/02_exercise/beispiele/fork_signal/signal.c
deleted file mode 100644
index 500d2e1..0000000
--- a/02_exercise/beispiele/fork_signal/signal.c
+++ /dev/null
@@ -1,21 +0,0 @@
-#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;
-}