The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame^] | 1 | /** |
| 2 | * @file daemon/opd_pipe.h |
| 3 | * Functions handling the $SESSIONDIR/opd_pipe FIFO special file. |
| 4 | * NOTE: This code is dealing with potencially insecure input. |
| 5 | * |
| 6 | * @remark Copyright 2008 OProfile authors |
| 7 | * @remark Read the file COPYING |
| 8 | * |
| 9 | * @author Daniel Hansel |
| 10 | */ |
| 11 | |
| 12 | #ifndef OPD_PIPE_H_ |
| 13 | #define OPD_PIPE_H_ |
| 14 | |
| 15 | /** |
| 16 | * opd_create_pipe - creates the oprofiled fifo file |
| 17 | * |
| 18 | * Creates the Oprofile daemon fifo pipe to enable communication between |
| 19 | * the daemon and the 'opcontrol --dump' command. Failure to create the pipe |
| 20 | * is a fatal error. |
| 21 | */ |
| 22 | void opd_create_pipe(void); |
| 23 | |
| 24 | /** |
| 25 | * opd_open_pipe - opens the oprofiled fifo file |
| 26 | */ |
| 27 | void opd_open_pipe(void); |
| 28 | |
| 29 | /** |
| 30 | * opd_close_pipe - closes the oprofiled fifo file |
| 31 | * |
| 32 | * Closes the Oprofile daemon fifo pipe. |
| 33 | */ |
| 34 | void opd_close_pipe(void); |
| 35 | |
| 36 | /** |
| 37 | * is_jitconv_requested - check for request to jit conversion |
| 38 | * |
| 39 | * Checks the Oprofile daemon fifo pipe for do_jitconv request. |
| 40 | * If jit conversion is requested ('do_jitconv' is sent) the check returns 1. |
| 41 | * Otherwise it returns 0. |
| 42 | */ |
| 43 | int is_jitconv_requested(void); |
| 44 | |
| 45 | #endif /*OPD_PIPE_H_*/ |