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lmkd
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more O_CLOEXEC 

Change-Id: I330aef8d6f1fc35d6649995ef312954b84dff555
This commit is contained in:
Nick Kralevich 2015-12-18 20:52:37 -08:00
parent 2b0a64f26d
commit 148d8dd2f2
1 changed files with 7 additions and 7 deletions
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14
lmkd.c
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@ -230,7 +230,7 @@ static int pid_remove(int pid) {
} }
static void writefilestring(char *path, char *s) { static void writefilestring(char *path, char *s) {
int fd = open(path, O_WRONLY); int fd = open(path, O_WRONLY | O_CLOEXEC);
int len = strlen(s); int len = strlen(s);
int ret; int ret;
@ -487,7 +487,7 @@ static int zoneinfo_parse(struct sysmeminfo *mip) {
memset(mip, 0, sizeof(struct sysmeminfo)); memset(mip, 0, sizeof(struct sysmeminfo));
fd = open(ZONEINFO_PATH, O_RDONLY); fd = open(ZONEINFO_PATH, O_RDONLY | O_CLOEXEC);
if (fd == -1) { if (fd == -1) {
ALOGE("%s open: errno=%d", ZONEINFO_PATH, errno); ALOGE("%s open: errno=%d", ZONEINFO_PATH, errno);
return -1; return -1;
@ -518,7 +518,7 @@ static int proc_get_size(int pid) {
ssize_t ret; ssize_t ret;
snprintf(path, PATH_MAX, "/proc/%d/statm", pid); snprintf(path, PATH_MAX, "/proc/%d/statm", pid);
fd = open(path, O_RDONLY); fd = open(path, O_RDONLY | O_CLOEXEC);
if (fd == -1) if (fd == -1)
return -1; return -1;
@ -541,7 +541,7 @@ static char *proc_get_name(int pid) {
ssize_t ret; ssize_t ret;
snprintf(path, PATH_MAX, "/proc/%d/cmdline", pid); snprintf(path, PATH_MAX, "/proc/%d/cmdline", pid);
fd = open(path, O_RDONLY); fd = open(path, O_RDONLY | O_CLOEXEC);
if (fd == -1) if (fd == -1)
return NULL; return NULL;
ret = read_all(fd, line, sizeof(line) - 1); ret = read_all(fd, line, sizeof(line) - 1);
@ -686,19 +686,19 @@ static int init_mp(char *levelstr, void *event_handler)
struct epoll_event epev; struct epoll_event epev;
int ret; int ret;
mpfd = open(MEMCG_SYSFS_PATH "memory.pressure_level", O_RDONLY); mpfd = open(MEMCG_SYSFS_PATH "memory.pressure_level", O_RDONLY | O_CLOEXEC);
if (mpfd < 0) { if (mpfd < 0) {
ALOGI("No kernel memory.pressure_level support (errno=%d)", errno); ALOGI("No kernel memory.pressure_level support (errno=%d)", errno);
goto err_open_mpfd; goto err_open_mpfd;
} }
evctlfd = open(MEMCG_SYSFS_PATH "cgroup.event_control", O_WRONLY); evctlfd = open(MEMCG_SYSFS_PATH "cgroup.event_control", O_WRONLY | O_CLOEXEC);
if (evctlfd < 0) { if (evctlfd < 0) {
ALOGI("No kernel memory cgroup event control (errno=%d)", errno); ALOGI("No kernel memory cgroup event control (errno=%d)", errno);
goto err_open_evctlfd; goto err_open_evctlfd;
} }
evfd = eventfd(0, EFD_NONBLOCK); evfd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
if (evfd < 0) { if (evfd < 0) {
ALOGE("eventfd failed for level %s; errno=%d", levelstr, errno); ALOGE("eventfd failed for level %s; errno=%d", levelstr, errno);
goto err_eventfd; goto err_eventfd;