Tizen 2.1 base

1 files changed, 129 insertions, 0 deletions

diff --git a/sysman-util.c b/sysman-util.c
new file mode 100644
index 0000000..fb5f8d1
--- /dev/null
+++ b/sysman-util.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <dirent.h>
+#include <ctype.h>
+#include <string.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <poll.h>
+
+#include <vconf.h>
+#include "sysman.h"
+#include "sysman-priv.h"
+
+API int sysman_get_pid(const char *execpath)
+{
+	DIR *dp;
+	struct dirent *dentry;
+	int pid = -1, fd;
+	char buf[BUFF_MAX];
+	char buf2[BUFF_MAX];
+
+	dp = opendir("/proc");
+	if (!dp) {
+		ERR("open /proc");
+		return -1;
+	}
+
+	while ((dentry = readdir(dp)) != NULL) {
+		if (!isdigit(dentry->d_name[0]))
+			continue;
+
+		pid = atoi(dentry->d_name);
+
+		snprintf(buf, BUFF_MAX, "/proc/%d/cmdline", pid);
+		fd = open(buf, O_RDONLY);
+		if (fd < 0)
+			continue;
+		if (read(fd, buf2, BUFF_MAX) < 0) {
+			close(fd);
+			continue;
+		}
+		close(fd);
+
+		if (!strcmp(buf2, execpath)) {
+			closedir(dp);
+			return pid;
+		}
+	}
+
+	errno = ESRCH;
+	closedir(dp);
+	return -1;
+}
+
+API int sysman_get_cmdline_name(pid_t pid, char *cmdline, size_t cmdline_size)
+{
+	int fd, ret;
+	char buf[PATH_MAX + 1];
+	char *filename;
+
+	snprintf(buf, sizeof(buf), "/proc/%d/cmdline", pid);
+	fd = open(buf, O_RDONLY);
+	if (fd < 0) {
+		errno = ESRCH;
+		return -1;
+	}
+
+	ret = read(fd, buf, PATH_MAX);
+	close(fd);
+	buf[PATH_MAX] = '\0';
+
+	filename = strrchr(buf, '/');
+	if (filename == NULL)
+		filename = buf;
+	else
+		filename = filename + 1;
+
+	if (cmdline_size < strlen(filename) + 1) {
+		errno = EOVERFLOW;
+		return -1;
+	}
+
+	strncpy(cmdline, filename, cmdline_size - 1);
+	cmdline[cmdline_size - 1] = '\0';
+	return 0;
+}
+
+API int sysman_get_apppath(pid_t pid, char *app_path, size_t app_path_size)
+{
+	char buf[PATH_MAX];
+	int ret;
+
+	snprintf(buf, PATH_MAX, "/proc/%d/exe", pid);
+	if (app_path == NULL
+	    || (ret = readlink(buf, app_path, app_path_size)) == -1)
+		return -1;
+	if (app_path_size == ret) {
+		app_path[ret - 1] = '\0';
+		errno = EOVERFLOW;
+		return -1;
+	}
+
+	app_path[ret] = '\0';
+	return 0;
+}
+