---
test/Makefile | 2 +-
test/pgrp.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 80 insertions(+), 1 deletions(-)
create mode 100644 test/pgrp.c
diff --git a/test/Makefile b/test/Makefile
index 0ad576f..cad40e0 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -7,7 +7,7 @@ CFLAGS += -g $(WARNS)
TESTS= onetask multitask bigmem pipes pipes2 fifo shmem \
ipcshm ipcmsq ipcsem ipcshm_multi zombie sigpending \
- itimer pty
+ itimer pty pgrp
LDLIBS = -lm
diff --git a/test/pgrp.c b/test/pgrp.c
new file mode 100644
index 0000000..e685d12
--- /dev/null
+++ b/test/pgrp.c
@@ -0,0 +1,79 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#define OUTFILE "/tmp/cr-test.out"
+
+pid_t do_fork(void)
+{
+ pid_t pid = fork();
+
+ if (pid < 0) {
+ perror("fork");
+ exit(1);
+ }
+
+ return pid;
+}
+
+int main(int argc, char *argv[])
+{
+ FILE *file;
+ pid_t p1, p2;
+ int i;
+
+ close(0);
+ close(1);
+ close(2);
+
+ setsid();
+
+ unlink(OUTFILE);
+ file = fopen(OUTFILE, "w+");
+ if (!file) {
+ perror("open");
+ exit(1);
+ }
+ if (dup2(0,2) < 0) {
+ perror("dup2");
+ exit(1);
+ }
+
+ fprintf(file, "hello, world\n");
+ fflush(file);
+
+ p1 = do_fork();
+ if (p1 == 0) {
+ fprintf(file, "[%d] child born 0\n", getpid());
+ fflush(file);
+ sleep(1);
+ fprintf(file, "[%d] child exit 0\n", getpid());
+ exit(0);
+ }
+
+ p2 = do_fork();
+ if (p2 == 0) {
+ fprintf(file, "[%d] child born 1\n", getpid());
+ sleep(1);
+ } else {
+ if (setpgid(p2, p1) < 0) {
+ perror("setpgid");
+ exit(1);
+ }
+ }
+
+ for (i = 0; i < 15; i++) {
+ fprintf(file, "[%d] count %d\n", getpid(), i);
+ fflush(file);
+ sleep(1);
+ fflush(file);
+ }
+
+ fprintf(file, "[pid %d] world, hello\n", getpid());
+ fflush(file);
+
+ return 0;
+}
--
1.6.0.4
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