* [LTP] [PATCH/RFC] lib: add LTP_IPC_PATH to env. variables by default
@ 2017-10-10 12:36 Jan Stancek
2017-10-10 13:10 ` Cyril Hrubis
0 siblings, 1 reply; 3+ messages in thread
From: Jan Stancek @ 2017-10-10 12:36 UTC (permalink / raw)
To: ltp
Child started by exec() that needs to do tst_reinit() in order
to use checkpoints will inherit LTP_IPC_PATH by default.
Parent can choose to override/omit it in envp array when calling
exec[lvp]e().
Also fix couple places to use IPC_ENV_VAR define.
Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
lib/tst_test.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/lib/tst_test.c b/lib/tst_test.c
index 233b370794a6..27a0b7c36679 100644
--- a/lib/tst_test.c
+++ b/lib/tst_test.c
@@ -100,10 +100,12 @@ static void setup_ipc(void)
results = SAFE_MMAP(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, ipc_fd, 0);
/* Checkpoints needs to be accessible from processes started by exec() */
- if (tst_test->needs_checkpoints)
+ if (tst_test->needs_checkpoints) {
sprintf(ipc_path, IPC_ENV_VAR "=%s", shm_path);
- else
+ putenv(ipc_path);
+ } else {
SAFE_UNLINK(shm_path);
+ }
SAFE_CLOSE(ipc_fd);
@@ -131,13 +133,13 @@ static void cleanup_ipc(void)
void tst_reinit(void)
{
- const char *path = getenv("LTP_IPC_PATH");
+ const char *path = getenv(IPC_ENV_VAR);
size_t size = getpagesize();
int fd;
void *ptr;
if (!path)
- tst_brk(TBROK, "LTP_IPC_PATH is not defined");
+ tst_brk(TBROK, IPC_ENV_VAR" is not defined");
if (access(path, F_OK))
tst_brk(TBROK, "File %s does not exist!", path);
--
1.8.3.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [LTP] [PATCH/RFC] lib: add LTP_IPC_PATH to env. variables by default
2017-10-10 12:36 [LTP] [PATCH/RFC] lib: add LTP_IPC_PATH to env. variables by default Jan Stancek
@ 2017-10-10 13:10 ` Cyril Hrubis
2017-10-10 15:06 ` Jan Stancek
0 siblings, 1 reply; 3+ messages in thread
From: Cyril Hrubis @ 2017-10-10 13:10 UTC (permalink / raw)
To: ltp
Hi!
Can you also remove the explicit passing of tst_ipc_envp in the
creat07.c? Then we may as well get rid of the tst_ipc_envp[] array
completely.
--
Cyril Hrubis
chrubis@suse.cz
^ permalink raw reply [flat|nested] 3+ messages in thread
* [LTP] [PATCH/RFC] lib: add LTP_IPC_PATH to env. variables by default
2017-10-10 13:10 ` Cyril Hrubis
@ 2017-10-10 15:06 ` Jan Stancek
0 siblings, 0 replies; 3+ messages in thread
From: Jan Stancek @ 2017-10-10 15:06 UTC (permalink / raw)
To: ltp
----- Original Message -----
> Hi!
> Can you also remove the explicit passing of tst_ipc_envp in the
> creat07.c? Then we may as well get rid of the tst_ipc_envp[] array
> completely.
Sent as new series except for 2 patches you already ACK-ed:
5deaf719987f security/dirtyc0w: synchronize parent and child
13b2549855af lib: allow checkpoints to be used by any uid
Regards,
Jan
^ permalink raw reply [flat|nested] 3+ messages in thread
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2017-10-10 12:36 [LTP] [PATCH/RFC] lib: add LTP_IPC_PATH to env. variables by default Jan Stancek
2017-10-10 13:10 ` Cyril Hrubis
2017-10-10 15:06 ` Jan Stancek
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