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rename example (test_fork => tests)

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This commit is contained in:
Stefan Lankes 2011-02-28 12:22:49 +01:00
parent 78cd455b20
commit 00a4e0e5ab
2 changed files with 15 additions and 6 deletions
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6
newlib/examples/Makefile
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@ -14,9 +14,9 @@ KEEP_DEBUG = --only-keep-debug
default: all default: all
all: hello test_fork all: hello tests
test_fork: test_fork.o tests: tests.o
$(CC) -T link.ld -o $@ $(LDFLAGS) $< $(CC) -T link.ld -o $@ $(LDFLAGS) $<
$(OBJCOPY) $(KEEP_DEBUG) $@ $@.sym $(OBJCOPY) $(KEEP_DEBUG) $@ $@.sym
$(OBJCOPY) $(STRIP_DEBUG) $@ $(OBJCOPY) $(STRIP_DEBUG) $@
@ -29,7 +29,7 @@ hello: hello.o
chmod a-x $@.sym chmod a-x $@.sym
clean: clean:
$(RM) hello test_fork *.sym *.o *~ $(RM) hello tests *.sym *.o *~
depend: depend:
$(CC) -MM $(CFLAGS) *.c > Makefile.dep $(CC) -MM $(CFLAGS) *.c > Makefile.dep

15
newlib/examples/test_fork.c → newlib/examples/tests.c
View file

@ -22,18 +22,27 @@
#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>
#include <errno.h> #include <errno.h>
#include <sys/types.h>
#include <sys/wait.h>
#undef errno #undef errno
extern int errno; extern int errno;
int main(int argc, char** argv) int main(int argc, char** argv)
{ {
pid_t pid = fork(); int status = 0;
pid_t pid;
printf("Create child process...\n"); printf("Create child process...\n");
if (pid == 0) // child
pid = fork();
if (pid == 0) { // child
printf("Hello from child process!\n"); printf("Hello from child process!\n");
else exit(42);
} else {
printf("Hello from parent process! pid = %u\n", pid); printf("Hello from parent process! pid = %u\n", pid);
wait(&status);
printf("Child terminated with status %d\n", status);
}
return errno; return errno;
} }