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Altera_Forum
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21 years ago

Semaphore support

Hi, I'm currently trying to initialize a semaphore by making a call to sem_init(), but instead of returning a non-zero value and printing a error condition, Nios II reboots. struct sem_...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

Hi bjskill,

The sem_init() routine initializes the semaphore object that the first argument points to. So you're passing

in an un-initialized pointer ... and something ends up getting trashed. Try:

/*struct sem_t *msem */

struct sem_t msem

/*if (sem_init(msem, 0, 0) != 0)*/

if (sem_init (&msem, 0, 0) != 0)

printf("Semaphore not initialized\n");

Regards,

--Scott