X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=platform%2Flinux%2Fplat.c;h=d777f23b2a09f29d011bc54ea4133715e37ac20c;hb=e05b81fc5b3f640496795ced5d893ece4cc51c2d;hp=102af6e337756e8f1bae656ec055697a8c2bc0f4;hpb=713c9224026b769b8238f898c85b63a17cd5bada;p=picodrive.git

diff --git a/platform/linux/plat.c b/platform/linux/plat.c
index 102af6e..d777f23 100644
--- a/platform/linux/plat.c
+++ b/platform/linux/plat.c
@@ -1,4 +1,10 @@
+#include <stdio.h>
+#include <string.h>
 #include <dirent.h>
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
+
 #include "../common/plat.h"
 
 
@@ -12,3 +18,93 @@ int plat_is_dir(const char *path)
 	return 0;
 }
 
+int plat_get_root_dir(char *dst, int len)
+{
+	extern char **g_argv;
+	int j;
+
+	strncpy(dst, g_argv[0], len);
+	len -= 32; // reserve
+	if (len < 0) len = 0;
+	dst[len] = 0;
+	for (j = strlen(dst); j > 0; j--)
+		if (dst[j] == '/') { dst[j+1] = 0; break; }
+
+	return j + 1;
+}
+
+#ifdef __GP2X__
+/* Wiz has a borked gettimeofday().. */
+#define plat_get_ticks_ms plat_get_ticks_ms_good
+#define plat_get_ticks_us plat_get_ticks_us_good
+#endif
+
+unsigned int plat_get_ticks_ms(void)
+{
+	struct timeval tv;
+	unsigned int ret;
+
+	gettimeofday(&tv, NULL);
+
+	ret = (unsigned)tv.tv_sec * 1000;
+	/* approximate /= 1000 */
+	ret += ((unsigned)tv.tv_usec * 4195) >> 22;
+
+	return ret;
+}
+
+unsigned int plat_get_ticks_us(void)
+{
+	struct timeval tv;
+	unsigned int ret;
+
+	gettimeofday(&tv, NULL);
+
+	ret = (unsigned)tv.tv_sec * 1000000;
+	ret += (unsigned)tv.tv_usec;
+
+	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;
+}
+