funkey/FunKey-ProdScreens
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magnet test records its PID in /var/run/funkey.pid and USR1 signal handling exits correctly

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This commit is contained in:
Vincent-FK
2021-01-19 01:26:16 +01:00
parent f8e5bc953b
commit ab4b5c7c10
1 changed files with 21 additions and 1 deletions
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22
prodScreen_magnetTest.c
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@@ -1,21 +1,36 @@
#include "funkey_prod_screens.h" #include "funkey_prod_screens.h"
#include <signal.h> #include <signal.h>
#define SHELL_CMD_RECORD_PID "record_pid"
#define SHELL_CMD_CANCEL_SCHED_POWERDOWN "cancel_sched_powerdown"
/* Static variable */ /* Static variable */
static int stop_menu_loop = 0; static int stop_menu_loop = 0;
static int res = EXIT_FAILURE;
/* Handler for SIGUSR1, caused by closing the console */ /* Handler for SIGUSR1, caused by closing the console */
void handle_sigusr1(int sig) void handle_sigusr1(int sig)
{ {
/* Send command to cancel any previously scheduled powerdown */
if (popen(SHELL_CMD_CANCEL_SCHED_POWERDOWN, "r") == NULL)
{
/* Countdown is still ticking, so better do nothing
than start writing and get interrupted!
*/
printf("Failed to cancel scheduled shutdown\n");
//exit(0);
}
//printf("Caught signal USR1 %d\n", sig); //printf("Caught signal USR1 %d\n", sig);
stop_menu_loop = 1; stop_menu_loop = 1;
res = 0;
} }
/// -------------- FUNCTIONS IMPLEMENTATION -------------- /// -------------- FUNCTIONS IMPLEMENTATION --------------
static int wait_event_loop(){ static int wait_event_loop(){
SDL_Event event; SDL_Event event;
int res = EXIT_FAILURE;
/// -------- Main loop --------- /// -------- Main loop ---------
while (!stop_menu_loop) while (!stop_menu_loop)
@@ -61,6 +76,11 @@ int launch_prod_screen_magnet(int argc, char *argv[]){
SDL_Surface *text_surface = NULL; SDL_Surface *text_surface = NULL;
SDL_Rect text_pos; SDL_Rect text_pos;
/* Record current PID */
char shell_cmd[100];
sprintf(shell_cmd, "%s %d", SHELL_CMD_RECORD_PID, getpid());
system(shell_cmd);
/* Init Signals */ /* Init Signals */
signal(SIGUSR1, handle_sigusr1); signal(SIGUSR1, handle_sigusr1);