netbird/gvisor
0
0
Fork 0
mirror of https://github.com/netbirdio/gvisor.git synced 2026-05-22 17:12:49 -07:00
Code Issues Packages Projects Releases Wiki Activity

De-flake SetForegroundProcessGroupDifferentSession.

Browse Source 
PiperOrigin-RevId: 272059043
This commit is contained in:
Kevin Krakauer
2019-09-30 13:59:36 -07:00
committed by gVisor bot
parent 61f6fbd0ce
commit c06cca6678
1 changed files with 17 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
test/syscalls/linux/pty.cc
+17 -8
View File
@@ -1527,27 +1527,36 @@ TEST_F(JobControlTest, SetForegroundProcessGroupEmptyProcessGroup) {
TEST_F(JobControlTest, SetForegroundProcessGroupDifferentSession) {
ASSERT_THAT(ioctl(slave_.get(), TIOCSCTTY, 0), SyscallSucceeds());
int sync_setsid[2];
int sync_exit[2];
ASSERT_THAT(pipe(sync_setsid), SyscallSucceeds());
ASSERT_THAT(pipe(sync_exit), SyscallSucceeds());
// Create a new process and put it in a new session.
pid_t child = fork();
if (!child) {
TEST_PCHECK(setsid() >= 0);
// Tell the parent we're in a new session.
TEST_PCHECK(!raise(SIGSTOP));
TEST_PCHECK(!pause());
_exit(1);
char c = 'c';
TEST_PCHECK(WriteFd(sync_setsid[1], &c, 1) == 1);
TEST_PCHECK(ReadFd(sync_exit[0], &c, 1) == 1);
_exit(0);
}
// Wait for the child to tell us it's in a new session.
int wstatus;
EXPECT_THAT(waitpid(child, &wstatus, WUNTRACED),
SyscallSucceedsWithValue(child));
EXPECT_TRUE(WSTOPSIG(wstatus));
char c = 'c';
ASSERT_THAT(ReadFd(sync_setsid[0], &c, 1), SyscallSucceedsWithValue(1));
// Child is in a new session, so we can't make it the foregroup process group.
EXPECT_THAT(ioctl(slave_.get(), TIOCSPGRP, &child),
SyscallFailsWithErrno(EPERM));
EXPECT_THAT(kill(child, SIGKILL), SyscallSucceeds());
EXPECT_THAT(WriteFd(sync_exit[1], &c, 1), SyscallSucceedsWithValue(1));
int wstatus;
EXPECT_THAT(waitpid(child, &wstatus, 0), SyscallSucceedsWithValue(child));
EXPECT_TRUE(WIFEXITED(wstatus));
EXPECT_EQ(WEXITSTATUS(wstatus), 0);
}
// Verify that we don't hang when creating a new session from an orphaned