subrata_modak | 55d04e4 | 2009-10-26 11:25:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) International Business Machines Corp., 2001-2006 |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 12 | * the GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
Wanlong Gao | 4548c6c | 2012-10-19 18:03:36 +0800 | [diff] [blame] | 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
subrata_modak | 55d04e4 | 2009-10-26 11:25:55 +0000 | [diff] [blame] | 17 | */ |
| 18 | #ifndef _UTIL_H_ |
| 19 | #define _UTIL_H_ |
| 20 | |
| 21 | #include "config.h" |
| 22 | |
| 23 | #include <sys/time.h> |
| 24 | #include <sys/resource.h> |
| 25 | |
| 26 | #ifdef HAVE_SYS_VFS_H |
| 27 | #include <sys/vfs.h> |
| 28 | #endif |
| 29 | #include <sys/statvfs.h> |
| 30 | #include <unistd.h> |
| 31 | #include <stdlib.h> |
| 32 | #include <assert.h> |
| 33 | #include <string.h> |
| 34 | #include <pthread.h> |
| 35 | |
| 36 | |
| 37 | void ffsb_sleep(unsigned secs); |
| 38 | void *ffsb_malloc(size_t size); |
| 39 | void *ffsb_realloc(void *ptr, size_t size); |
| 40 | char *ffsb_strdup(const char *str); |
| 41 | size_t ffsb_strnlen(const char *str, size_t maxlen); |
| 42 | |
| 43 | void ffsb_mkdir(char *dirname); |
| 44 | void ffsb_getrusage(struct rusage *ru_self, struct rusage *ru_children); |
| 45 | void ffsb_sync(void); |
| 46 | void *ffsb_align_4k(void *ptr); |
| 47 | char *ffsb_printsize(char *buf, double size, int bufsize); |
| 48 | |
| 49 | int ffsb_system(char *command); |
| 50 | void ffsb_milli_sleep(unsigned time); |
| 51 | void ffsb_micro_sleep(unsigned time); |
| 52 | void ffsb_unbuffer_stdout(void); |
| 53 | void ffsb_bench_gettimeofday(void); |
| 54 | void ffsb_bench_getpid(void); |
| 55 | |
| 56 | uint64_t ffsb_get_filesize(char *name); |
| 57 | |
| 58 | typedef struct { |
| 59 | unsigned required_count; |
| 60 | unsigned current_count; |
| 61 | pthread_mutex_t plock; |
| 62 | pthread_cond_t pcond; |
| 63 | } ffsb_barrier_t ; |
| 64 | |
| 65 | void ffsb_barrier_init(ffsb_barrier_t *fb, unsigned count); |
| 66 | void ffsb_barrier_wait(ffsb_barrier_t *fb); |
| 67 | |
| 68 | double cpu_so_far(void); |
| 69 | double time_so_far(void); |
| 70 | double cpu_so_far_children(void); |
| 71 | float getfsutil(char *dirname); |
| 72 | uint64_t getfsutil_size(char *dirname); |
| 73 | |
| 74 | struct timeval tvsub(struct timeval t1, struct timeval t0); |
| 75 | struct timeval tvadd(struct timeval t1, struct timeval t0); |
| 76 | double tvtodouble(struct timeval *t); |
| 77 | |
| 78 | |
| 79 | #define max(a, b) (((a) > (b)) ? (a) : (b)) |
| 80 | |
| 81 | #ifndef timersub |
| 82 | #define timersub(a, b, result) \ |
| 83 | do { \ |
| 84 | (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ |
| 85 | (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ |
| 86 | \ |
| 87 | if ((result)->tv_usec < 0) { \ |
| 88 | (result)->tv_sec--; \ |
| 89 | (result)->tv_usec += 1000000; \ |
| 90 | } \ |
| 91 | } while (0) |
| 92 | #endif /* timersub */ |
| 93 | |
| 94 | #endif /* _UTIL_H_ */ |