rxr: semaphore instead of keeprunning variable at startup

This commit is contained in:
maliakal_d 2020-01-27 18:03:03 +01:00
parent e527aad6ab
commit 53e5a097ab
2 changed files with 15 additions and 13 deletions

View File

@ -14,11 +14,12 @@
#include <syscall.h>
#include <unistd.h> //usleep
#include <memory>
#include <semaphore.h>
bool keeprunning;
sem_t semaphore;
void sigInterruptHandler(int p){
keeprunning = false;
sem_post(&semaphore);
}
/** Define Colors to print data call back in different colors for different recievers */
@ -65,7 +66,8 @@ void GetData(char* metadata, char* datapointer, uint32_t datasize, void* p){
int main(int argc, char *argv[]) {
keeprunning = true;
sem_init(&semaphore,1,0);
FILE_LOG(logINFOBLUE) << "Created [ Tid: " << syscall(SYS_gettid) << " ]";
// Catch signal SIGINT to close files and call destructors properly
@ -136,8 +138,8 @@ int main(int argc, char *argv[]) {
//receiver->registerCallBackRawDataReady(rawDataReadyCallBack,NULL);
FILE_LOG(logINFO) << "[ Press \'Ctrl+c\' to exit ]";
while(keeprunning)
pause();
sem_wait(&semaphore);
sem_destroy(&semaphore);
FILE_LOG(logINFOBLUE) << "Exiting [ Tid: " << syscall(SYS_gettid) << " ]";
FILE_LOG(logINFO) << "Exiting Receiver";
return 0;

View File

@ -29,6 +29,7 @@ It is linked in manual/manual-api from slsReceiverSoftware/include ]
#include <sys/wait.h> //wait
#include <syscall.h> //tid
#include <unistd.h> //usleep
#include <semaphore.h>
using namespace std;
@ -36,15 +37,14 @@ using namespace std;
#define PRINT_IN_COLOR(c,f, ...) printf ("\033[%dm" f RESET, 30 + c+1, ##__VA_ARGS__)
/** Variable is true to continue running, set to false upon interrupt */
bool keeprunning;
sem_t semaphore;
/**
* Control+C Interrupt Handler
* Sets the variable keeprunning to false, to let all the processes know to exit properly
* to let all the processes know to exit properly
*/
void sigInterruptHandler(int p){
keeprunning = false;
sem_post(&semaphore);
}
/**
@ -165,7 +165,7 @@ int main(int argc, char *argv[]) {
int numReceivers = 1;
int startTCPPort = 1954;
int withCallback = 0;
keeprunning = true;
sem_init(&semaphore,1,0);
/** - get number of receivers and start tcp port from command line arguments */
if ( (argc != 4) || (!sscanf(argv[1],"%d", &startTCPPort)) || (!sscanf(argv[2],"%d", &numReceivers)) || (!sscanf(argv[3],"%d", &withCallback)) )
@ -238,9 +238,9 @@ int main(int argc, char *argv[]) {
else if (withCallback == 2) receiver->registerCallBackRawDataModifyReady(GetData,nullptr);
}
/** - as long as keeprunning is true (changes with Ctrl+C) */
while(keeprunning)
pause();
/** - as long as no Ctrl+C */
sem_wait(&semaphore);
sem_destroy(&semaphore);
cprintf(BLUE,"Exiting Child Process [ Tid: %ld ]\n", (long)syscall(SYS_gettid));
exit(EXIT_SUCCESS);
break;