X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=linux%2Fplat.c;h=751d97ac3bb1446770985ac56deddaa8017ab72d;hb=4ab30ad46130234838c82fe6d8ac4e55721dd46b;hp=102af6e337756e8f1bae656ec055697a8c2bc0f4;hpb=049a6b3e80151f6a5af726e25478ed15e111dfcc;p=libpicofe.git diff --git a/linux/plat.c b/linux/plat.c index 102af6e..751d97a 100644 --- a/linux/plat.c +++ b/linux/plat.c @@ -1,4 +1,9 @@ +#include #include +#include +#include +#include + #include "../common/plat.h" @@ -12,3 +17,59 @@ int plat_is_dir(const char *path) return 0; } +unsigned int plat_get_ticks_ms(void) +{ + struct timeval tv; + unsigned int ret; + + gettimeofday(&tv, NULL); + + ret = (unsigned)tv.tv_sec * 1000; + /* approximate division */ + ret += ((unsigned)tv.tv_usec * 4195) >> 22; + + return ret; +} + +void plat_sleep_ms(int ms) +{ + usleep(ms * 1000); +} + +int plat_wait_event(int *fds_hnds, int count, int timeout_ms) +{ + struct timeval tv, *timeout = NULL; + int i, ret, fdmax = -1; + fd_set fdset; + + if (timeout_ms >= 0) { + tv.tv_sec = timeout_ms / 1000; + tv.tv_usec = (timeout_ms % 1000) * 1000; + timeout = &tv; + } + + FD_ZERO(&fdset); + for (i = 0; i < count; i++) { + if (fds_hnds[i] > fdmax) fdmax = fds_hnds[i]; + FD_SET(fds_hnds[i], &fdset); + } + + ret = select(fdmax + 1, &fdset, NULL, NULL, timeout); + if (ret == -1) + { + perror("plat_wait_event: select failed"); + sleep(1); + return -1; + } + + if (ret == 0) + return -1; /* timeout */ + + ret = -1; + for (i = 0; i < count; i++) + if (FD_ISSET(fds_hnds[i], &fdset)) + ret = fds_hnds[i]; + + return ret; +} +