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| author | Rom Lemarchand <romlem@google.com> | 2013-02-07 15:43:09 -0800 |
|---|---|---|
| committer | Rom Lemarchand <romlem@google.com> | 2013-02-08 09:37:52 -0800 |
| commit | 2f34c5033e21fed358a0e07b07c201dc943a1b5d (patch) | |
| tree | 854ef477e5db5b89a38c4a08a6c66afbd80fb14e /logwrapper/include/logwrap | |
| parent | c5c410fe3d3dd2f3dce51ed25cdd0a7ac7d5bc8e (diff) | |
| download | system_core-2f34c5033e21fed358a0e07b07c201dc943a1b5d.tar.gz system_core-2f34c5033e21fed358a0e07b07c201dc943a1b5d.tar.bz2 system_core-2f34c5033e21fed358a0e07b07c201dc943a1b5d.zip | |
logwrap: Change semantics of NULL status in android_fork_execvp
When passing a NULL status to android_fork_execvp the return
status will now be the return value of the child if it exited
properly, otherwise a non-0 value will be returned.
Change-Id: I13309c61b37b6b3f9d5507f7d6484e7b6baaf8d0
Diffstat (limited to 'logwrapper/include/logwrap')
| -rw-r--r-- | logwrapper/include/logwrap/logwrap.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/logwrapper/include/logwrap/logwrap.h b/logwrapper/include/logwrap/logwrap.h index 44523e31d..2be8736f6 100644 --- a/logwrapper/include/logwrap/logwrap.h +++ b/logwrapper/include/logwrap/logwrap.h @@ -37,7 +37,8 @@ __BEGIN_DECLS * arguments as separate strings. argv does not need to be * NULL-terminated * status: the equivalent child status as populated by wait(status). This - * value is only valid when logwrap successfully completes + * value is only valid when logwrap successfully completes. If NULL + * the return value of the child will be the function's return value. * ignore_int_quit: set to true if you want to completely ignore SIGINT and * SIGQUIT while logwrap is running. This may force the end-user to * send a signal twice to signal the caller (once for the child, and @@ -47,6 +48,8 @@ __BEGIN_DECLS * Return value: * 0 when logwrap successfully run the child process and captured its status * -1 when an internal error occurred + * -ECHILD if status is NULL and the child didn't exit properly + * the return value of the child if it exited properly and status is NULL * */ int android_fork_execvp(int argc, char* argv[], int *status, bool ignore_int_quit, |