| 1 | #include <stdio.h> |
| 2 | #include <string.h> |
| 3 | #include <dirent.h> |
| 4 | #include <sys/time.h> |
| 5 | #include <time.h> |
| 6 | #include <unistd.h> |
| 7 | |
| 8 | #include "../common/plat.h" |
| 9 | |
| 10 | |
| 11 | int plat_is_dir(const char *path) |
| 12 | { |
| 13 | DIR *dir; |
| 14 | if ((dir = opendir(path))) { |
| 15 | closedir(dir); |
| 16 | return 1; |
| 17 | } |
| 18 | return 0; |
| 19 | } |
| 20 | |
| 21 | int plat_get_root_dir(char *dst, int len) |
| 22 | { |
| 23 | extern char **g_argv; |
| 24 | int j; |
| 25 | |
| 26 | strncpy(dst, g_argv[0], len); |
| 27 | len -= 32; // reserve |
| 28 | if (len < 0) len = 0; |
| 29 | dst[len] = 0; |
| 30 | for (j = strlen(dst); j > 0; j--) |
| 31 | if (dst[j] == '/') { dst[j+1] = 0; break; } |
| 32 | |
| 33 | return j + 1; |
| 34 | } |
| 35 | |
| 36 | #ifdef __GP2X__ |
| 37 | /* Wiz has a borked gettimeofday().. */ |
| 38 | #define plat_get_ticks_ms plat_get_ticks_ms_good |
| 39 | #define plat_get_ticks_us plat_get_ticks_us_good |
| 40 | #endif |
| 41 | |
| 42 | unsigned int plat_get_ticks_ms(void) |
| 43 | { |
| 44 | struct timeval tv; |
| 45 | unsigned int ret; |
| 46 | |
| 47 | gettimeofday(&tv, NULL); |
| 48 | |
| 49 | ret = (unsigned)tv.tv_sec * 1000; |
| 50 | /* approximate /= 1000 */ |
| 51 | ret += ((unsigned)tv.tv_usec * 4195) >> 22; |
| 52 | |
| 53 | return ret; |
| 54 | } |
| 55 | |
| 56 | unsigned int plat_get_ticks_us(void) |
| 57 | { |
| 58 | struct timeval tv; |
| 59 | unsigned int ret; |
| 60 | |
| 61 | gettimeofday(&tv, NULL); |
| 62 | |
| 63 | ret = (unsigned)tv.tv_sec * 1000000; |
| 64 | ret += (unsigned)tv.tv_usec; |
| 65 | |
| 66 | return ret; |
| 67 | } |
| 68 | |
| 69 | void plat_sleep_ms(int ms) |
| 70 | { |
| 71 | usleep(ms * 1000); |
| 72 | } |
| 73 | |
| 74 | int plat_wait_event(int *fds_hnds, int count, int timeout_ms) |
| 75 | { |
| 76 | struct timeval tv, *timeout = NULL; |
| 77 | int i, ret, fdmax = -1; |
| 78 | fd_set fdset; |
| 79 | |
| 80 | if (timeout_ms >= 0) { |
| 81 | tv.tv_sec = timeout_ms / 1000; |
| 82 | tv.tv_usec = (timeout_ms % 1000) * 1000; |
| 83 | timeout = &tv; |
| 84 | } |
| 85 | |
| 86 | FD_ZERO(&fdset); |
| 87 | for (i = 0; i < count; i++) { |
| 88 | if (fds_hnds[i] > fdmax) fdmax = fds_hnds[i]; |
| 89 | FD_SET(fds_hnds[i], &fdset); |
| 90 | } |
| 91 | |
| 92 | ret = select(fdmax + 1, &fdset, NULL, NULL, timeout); |
| 93 | if (ret == -1) |
| 94 | { |
| 95 | perror("plat_wait_event: select failed"); |
| 96 | sleep(1); |
| 97 | return -1; |
| 98 | } |
| 99 | |
| 100 | if (ret == 0) |
| 101 | return -1; /* timeout */ |
| 102 | |
| 103 | ret = -1; |
| 104 | for (i = 0; i < count; i++) |
| 105 | if (FD_ISSET(fds_hnds[i], &fdset)) |
| 106 | ret = fds_hnds[i]; |
| 107 | |
| 108 | return ret; |
| 109 | } |
| 110 | |