From: Youngjae Cho <y0.cho@samsung.com>
Date: Mon, 17 Jul 2023 02:32:19 +0000 (+0900)
Subject: shared: Move suspend_path()/resume_path() to tzip
X-Git-Tag: accepted/tizen/unified/20230726.163529~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=991d161e6ebbcefeb13f0796d0dc82eace52dcf1;p=platform%2Fcore%2Fsystem%2Fdeviced.git

shared: Move suspend_path()/resume_path() to tzip

Those functions are only used by tzip module.

Change-Id: I28a861373835a6e26bed39de8280c29b348c7552
Signed-off-by: Youngjae Cho <y0.cho@samsung.com>
---

diff --git a/src/shared/common.c b/src/shared/common.c
index f52fa6f..552c3ad 100644
--- a/src/shared/common.c
+++ b/src/shared/common.c
@@ -261,152 +261,6 @@ void umount_partition_by_kill(const char *path, const int max_retry)
 	return;
 }
 
-#define CMD_FROZEN "FROZEN"
-#define CMD_THAWED "THAWED"
-static int freeze_processes_on_path(const char *frz_name, const char *part_path)
-{
-	char *fuser_cmd = NULL;
-	FILE *fuser_fp;
-	char *line = NULL;
-	size_t len = 0;
-	int task_fd;
-	int freezer_fd;
-	char *freezer_procs;
-	char *freezer_state;
-	int ret;
-
-	ret = asprintf(&fuser_cmd, "fuser -m %s | grep -o '[0-9]*'", part_path);
-	if (ret < 0)
-		return -1;
-
-	fuser_fp = popen(fuser_cmd, "r");
-	free(fuser_cmd);
-	if (fuser_fp == NULL)
-		return -1;
-
-	ret = asprintf(&freezer_procs, "/sys/fs/cgroup/freezer/%s/cgroup.procs", frz_name);
-	if (ret < 0) {
-		pclose(fuser_fp);
-		return -1;
-	}
-
-	task_fd = open(freezer_procs, O_RDWR);
-	free(freezer_procs);
-	if (task_fd < 0) {
-		pclose(fuser_fp);
-		return -1;
-	}
-
-	while (getline(&line, &len, fuser_fp) != -1) {
-		int ret;
-		int str_len = strlen(line);
-		if (str_len <= 1)
-			continue;
-
-		ret = write(task_fd, line, str_len-1);
-		if (ret < 0)
-			break;
-	}
-
-	close(task_fd);
-	free(line);
-	pclose(fuser_fp);
-
-	ret = asprintf(&freezer_state, "/sys/fs/cgroup/freezer/%s/freezer.state", frz_name);
-	if (ret < 0)
-		return -1;
-
-	freezer_fd = open(freezer_state, O_RDWR);
-	free(freezer_state);
-	if (freezer_fd < 0)
-		return -1;
-
-	ret = write(freezer_fd, CMD_FROZEN, strlen(CMD_FROZEN));
-	close(freezer_fd);
-	if (ret < 0)
-		return -1;
-
-	return 0;
-}
-
-static bool check_frozen(const char *frz_name)
-{
-	char *state_path = NULL;
-	char *line = NULL;
-	size_t len = 0;
-	FILE *fd;
-	int ret;
-	bool result = false;
-
-	ret = asprintf(&state_path, "/sys/fs/cgroup/freezer/%s/freezer.state", frz_name);
-	if (ret < 0)
-		return false;
-
-	fd = fopen(state_path, "r");
-	free(state_path);
-	if (fd == NULL)
-		return false;
-
-	ret = getline(&line, &len, fd);
-	if (ret != -1 && line) {
-		if (!strncmp(line, CMD_FROZEN, strlen(CMD_FROZEN)))
-			result = true;
-		else
-			result = false;
-
-	}
-
-	free(line);
-	fclose(fd);
-
-	return result;
-}
-
-static int thaw_processes_on_path(const char *frz_name)
-{
-	int freezer_fd;
-	int ret;
-
-	char *freezer_state;
-	ret = asprintf(&freezer_state, "/sys/fs/cgroup/freezer/%s/freezer.state", frz_name);
-	if (ret < 0)
-		return -1;
-
-	freezer_fd = open(freezer_state, O_RDWR);
-	free(freezer_state);
-	if (freezer_fd < 0)
-		return -1;
-
-	ret = write(freezer_fd, CMD_THAWED, strlen(CMD_THAWED));
-	close(freezer_fd);
-	if (ret < 0)
-		return -1;
-
-	return 0;
-}
-
-void suspend_path(const char *frz_name, const char *path, const int max_retry)
-{
-	bool frozen = false;
-	int retry = 0;
-
-	freeze_processes_on_path(frz_name, path);
-
-	do {
-		usleep((useconds_t)MSEC_TO_USEC(500));
-
-		frozen = check_frozen(frz_name);
-
-		retry++;
-
-	} while (!frozen && retry < max_retry);
-}
-
-void resume_path(const char *frz_name, const char *path)
-{
-	thaw_processes_on_path(frz_name);
-}
-
 int get_privilege(pid_t pid, char *name, size_t len)
 {
 	char path[PATH_MAX];
diff --git a/src/shared/common.h b/src/shared/common.h
index 627700c..1d9f1a0 100644
--- a/src/shared/common.h
+++ b/src/shared/common.h
@@ -204,8 +204,6 @@ int sys_check_node(char *path);
 int get_systemd_reboot_param(char *buf, unsigned bufsize);
 int terminate_process(const char *partition, bool force);
 int mount_check(const char* path);
-void suspend_path(const char *frz_name, const char *path, const int max_retry);
-void resume_path(const char *frz_name, const char *path);
 void umount_partition_by_kill(const char *path, const int max_retry);
 int get_privilege(pid_t pid, char *name, size_t len);
 bool is_emulator(void);
diff --git a/src/tzip/tzip.c b/src/tzip/tzip.c
index d99ed56..72bf41f 100644
--- a/src/tzip/tzip.c
+++ b/src/tzip/tzip.c
@@ -68,6 +68,152 @@ static int tzip_is_mounted(const char *mount_point);
 static int tzip_unmount_zipfs(const char *mount_point);
 static int tzip_mount_zipfs(const char *src_file, const char *mount_point, const char *smack);
 
+#define CMD_FROZEN "FROZEN"
+#define CMD_THAWED "THAWED"
+static int freeze_processes_on_path(const char *frz_name, const char *part_path)
+{
+	char *fuser_cmd = NULL;
+	FILE *fuser_fp;
+	char *line = NULL;
+	size_t len = 0;
+	int task_fd;
+	int freezer_fd;
+	char *freezer_procs;
+	char *freezer_state;
+	int ret;
+
+	ret = asprintf(&fuser_cmd, "fuser -m %s | grep -o '[0-9]*'", part_path);
+	if (ret < 0)
+		return -1;
+
+	fuser_fp = popen(fuser_cmd, "r");
+	free(fuser_cmd);
+	if (fuser_fp == NULL)
+		return -1;
+
+	ret = asprintf(&freezer_procs, "/sys/fs/cgroup/freezer/%s/cgroup.procs", frz_name);
+	if (ret < 0) {
+		pclose(fuser_fp);
+		return -1;
+	}
+
+	task_fd = open(freezer_procs, O_RDWR);
+	free(freezer_procs);
+	if (task_fd < 0) {
+		pclose(fuser_fp);
+		return -1;
+	}
+
+	while (getline(&line, &len, fuser_fp) != -1) {
+		int ret;
+		int str_len = strlen(line);
+		if (str_len <= 1)
+			continue;
+
+		ret = write(task_fd, line, str_len-1);
+		if (ret < 0)
+			break;
+	}
+
+	close(task_fd);
+	free(line);
+	pclose(fuser_fp);
+
+	ret = asprintf(&freezer_state, "/sys/fs/cgroup/freezer/%s/freezer.state", frz_name);
+	if (ret < 0)
+		return -1;
+
+	freezer_fd = open(freezer_state, O_RDWR);
+	free(freezer_state);
+	if (freezer_fd < 0)
+		return -1;
+
+	ret = write(freezer_fd, CMD_FROZEN, strlen(CMD_FROZEN));
+	close(freezer_fd);
+	if (ret < 0)
+		return -1;
+
+	return 0;
+}
+
+static bool check_frozen(const char *frz_name)
+{
+	char *state_path = NULL;
+	char *line = NULL;
+	size_t len = 0;
+	FILE *fd;
+	int ret;
+	bool result = false;
+
+	ret = asprintf(&state_path, "/sys/fs/cgroup/freezer/%s/freezer.state", frz_name);
+	if (ret < 0)
+		return false;
+
+	fd = fopen(state_path, "r");
+	free(state_path);
+	if (fd == NULL)
+		return false;
+
+	ret = getline(&line, &len, fd);
+	if (ret != -1 && line) {
+		if (!strncmp(line, CMD_FROZEN, strlen(CMD_FROZEN)))
+			result = true;
+		else
+			result = false;
+
+	}
+
+	free(line);
+	fclose(fd);
+
+	return result;
+}
+
+static int thaw_processes_on_path(const char *frz_name)
+{
+	int freezer_fd;
+	int ret;
+
+	char *freezer_state;
+	ret = asprintf(&freezer_state, "/sys/fs/cgroup/freezer/%s/freezer.state", frz_name);
+	if (ret < 0)
+		return -1;
+
+	freezer_fd = open(freezer_state, O_RDWR);
+	free(freezer_state);
+	if (freezer_fd < 0)
+		return -1;
+
+	ret = write(freezer_fd, CMD_THAWED, strlen(CMD_THAWED));
+	close(freezer_fd);
+	if (ret < 0)
+		return -1;
+
+	return 0;
+}
+
+static void suspend_path(const char *frz_name, const char *path, const int max_retry)
+{
+	bool frozen = false;
+	int retry = 0;
+
+	freeze_processes_on_path(frz_name, path);
+
+	do {
+		usleep((useconds_t)MSEC_TO_USEC(500));
+
+		frozen = check_frozen(frz_name);
+
+		retry++;
+
+	} while (!frozen && retry < max_retry);
+}
+
+static void resume_path(const char *frz_name, const char *path)
+{
+	thaw_processes_on_path(frz_name);
+}
+
 static int check_path_available(char *mountpath)
 {
 	const char *path;