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Add shutdown semaphore for termination instead of endless loop

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This commit is contained in:
Ed Gonzalez 2015-01-15 09:52:29 -06:00
parent 9e40822f4b
commit e7846b374d
1 changed files with 11 additions and 5 deletions
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16
DSP_API/main.c
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@ -61,6 +61,8 @@
const char* APP_NAME = "FreeDV"; // Name of Application const char* APP_NAME = "FreeDV"; // Name of Application
const char* CFG_FILE = "/home/root/FreeDV.cfg"; // Name of associated configuration file const char* CFG_FILE = "/home/root/FreeDV.cfg"; // Name of associated configuration file
static sem_t shutdown_sem;
/* This structure mirrors the one found in /usr/include/asm/ucontext.h */ /* This structure mirrors the one found in /usr/include/asm/ucontext.h */
typedef struct _sig_ucontext { typedef struct _sig_ucontext {
unsigned long uc_flags; unsigned long uc_flags;
@ -124,16 +126,20 @@ void setup_segfault_handler(void)
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// main() // main()
int main(void) { int main(void)
{
/* Semaphore will be used to signal end of execution */
sem_init(&shutdown_sem, 0, 0);
setup_segfault_handler(); setup_segfault_handler();
SmartSDR_API_Init(); SmartSDR_API_Init();
while(1) { /* Wait to be notified of shutdown */
usleep(100000); sem_wait(&shutdown_sem);
}
return 1; return 0;
} }