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universal7885: libfm: Use std::atomic for thread stopper

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This commit is contained in:
roynatech2544 2022-11-10 11:52:38 +09:00
commit fbc8d8ccc3
1 changed files with 4 additions and 3 deletions
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7
universal7885-common/apps/aidl-support/fm/default/libfm_slsi-impl/FMDeviceControl.cpp
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@ -7,6 +7,7 @@
#include <sys/poll.h> #include <sys/poll.h>
#include <unistd.h> #include <unistd.h>
#include <atomic>
#include <cerrno> #include <cerrno>
#include <cstring> #include <cstring>
#include <thread> #include <thread>
@ -17,7 +18,7 @@
namespace fm_radio_slsi { namespace fm_radio_slsi {
static bool FMThread = false; static atomic_bool kShouldRun;
static std::thread *poll_thread = nullptr; static std::thread *poll_thread = nullptr;
constexpr const char *FM_DEV_PATH = "/dev/radio0"; constexpr const char *FM_DEV_PATH = "/dev/radio0";
@ -211,7 +212,7 @@ static void fm_thread(int fd) {
unsigned char read_buf[FM_RADIO_RDS_DATA_MAX]; unsigned char read_buf[FM_RADIO_RDS_DATA_MAX];
int ret; int ret;
while (FMThread) { while (kShouldRun.load()) {
ret = fm_poll(fd, &radio_poll); ret = fm_poll(fd, &radio_poll);
if (ret < 0) { if (ret < 0) {
if (ret < FM_FAILURE) if (ret < FM_FAILURE)
@ -226,7 +227,7 @@ static void fm_thread(int fd) {
} }
void fm_thread_set(const int fd, const bool enable) { void fm_thread_set(const int fd, const bool enable) {
FMThread = enable; kShouldRun.store(enable);
if (enable) { if (enable) {
poll_thread = new std::thread(fm_thread, fd); poll_thread = new std::thread(fm_thread, fd);
} else { } else {