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check rc of system call, eliminating unused warning #21

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merged 1 commit into from
Jun 19, 2023
Merged

check rc of system call, eliminating unused warning #21

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4 changes: 2 additions & 2 deletions src/angular_servo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -119,10 +119,10 @@ void killPigpiod() {
void startPigpiod() {
if (!isPigpiodRunning()) {
cout << "pigpio daemon not running. attempting to start it." << endl;
system("sudo systemctl start pigpiod");
int rc = system("sudo systemctl start pigpiod");
sleep(1);

if (isPigpiodRunning()) {
if (isPigpiodRunning() && (rc != -1)) {
// Successfully started the pigpiod daemon
cout << "pigpiod daemon started successfully" << endl;
} else {
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