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Diffstat (limited to 'logwrapper/include/logwrap/logwrap.h')
-rw-r--r-- | logwrapper/include/logwrap/logwrap.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/logwrapper/include/logwrap/logwrap.h b/logwrapper/include/logwrap/logwrap.h new file mode 100644 index 0000000..44523e3 --- /dev/null +++ b/logwrapper/include/logwrap/logwrap.h @@ -0,0 +1,57 @@ +/* system/core/include/logwrap/logwrap.h + * + * Copyright 2013, The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __LIBS_LOGWRAP_H +#define __LIBS_LOGWRAP_H + +#include <stdbool.h> + +__BEGIN_DECLS + +/* + * Run a command while logging its stdout and stderr + * + * WARNING: while this function is running it will clear all SIGCHLD handlers + * if you rely on SIGCHLD in the caller there is a chance zombies will be + * created if you're not calling waitpid after calling this. This function will + * log a warning when it clears SIGCHLD for processes other than the child it + * created. + * + * Arguments: + * argc: the number of elements in argv + * argv: an array of strings containing the command to be executed and its + * 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 + * 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 + * once for the caller) + * logwrap: when true, log messages from the child + * + * Return value: + * 0 when logwrap successfully run the child process and captured its status + * -1 when an internal error occurred + * + */ +int android_fork_execvp(int argc, char* argv[], int *status, bool ignore_int_quit, + bool logwrap); + +__END_DECLS + +#endif /* __LIBS_LOGWRAP_H */ |