diff options
| author | Anand Avati <avati@redhat.com> | 2012-09-20 00:30:39 -0700 |
|---|---|---|
| committer | Anand Avati <avati@redhat.com> | 2012-09-20 10:52:32 -0700 |
| commit | e31a5847e269d865b7248554e328bc9ac358454a (patch) | |
| tree | d9336ef551480d7556e2ed502af1872d5a3c266b | |
| parent | 2fc6834e7a5d721e97a47f3ebaa201902af73c5a (diff) | |
runner: introduce a new variant runner_run_nowait()
which makes the child blindly _exit(0) (thereby relieving
the caller quickly) and the grandchild continues to actually
do execvp().
Change-Id: I4dac0f39aaaa5b2ae5dbeb96e221b8257f8d3a22
BUG: 762935
Signed-off-by: Anand Avati <avati@redhat.com>
Reviewed-on: http://review.gluster.org/3962
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Csaba Henk <csaba@redhat.com>
| -rw-r--r-- | libglusterfs/src/run.c | 19 | ||||
| -rw-r--r-- | libglusterfs/src/run.h | 6 |
2 files changed, 25 insertions, 0 deletions
diff --git a/libglusterfs/src/run.c b/libglusterfs/src/run.c index 50c1e30bfc6..94511b1c356 100644 --- a/libglusterfs/src/run.c +++ b/libglusterfs/src/run.c @@ -392,6 +392,25 @@ runner_run (runner_t *runner) return runner_run_generic (runner, runner_end); } + +int +runner_run_nowait (runner_t *runner) +{ + int pid; + + pid = fork (); + + if (!pid) { + setsid (); + _exit (runner_start (runner)); + } + + if (pid > 0) + runner->chpid = pid; + return runner_end (runner); +} + + int runner_run_reuse (runner_t *runner) { diff --git a/libglusterfs/src/run.h b/libglusterfs/src/run.h index 508c59c1375..d7554ef6d8c 100644 --- a/libglusterfs/src/run.h +++ b/libglusterfs/src/run.h @@ -166,6 +166,12 @@ int runner_end_reuse (runner_t *runner); int runner_run (runner_t *runner); /** + * variant for runner_run() which does not wait for acknowledgement + * from child, and always assumes it succeeds. + */ +int runner_run_nowait (runner_t *runner); + +/** * variant of runner_run() which does not free internal data * so that the runner instance can be run again. * |