diff options
Diffstat (limited to 'stacks/max25-bcpr/include/bcpr/bcpr_lock.h')
| -rw-r--r-- | stacks/max25-bcpr/include/bcpr/bcpr_lock.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/stacks/max25-bcpr/include/bcpr/bcpr_lock.h b/stacks/max25-bcpr/include/bcpr/bcpr_lock.h new file mode 100644 index 0000000..fd6c6b7 --- /dev/null +++ b/stacks/max25-bcpr/include/bcpr/bcpr_lock.h @@ -0,0 +1,22 @@ +#ifndef BCPR_LOCK_H +#define BCPR_LOCK_H + +#include "bcpr/bcpr_config.h" + +typedef struct bcpr_port_lock { + char serial[64]; + unsigned iobase; + unsigned irq; + int lock_fd; + int uart_released; + int dry_run; +} bcpr_port_lock_t; + +/* Exclusive COM lock: flock + setserial uart none. irq must match setserial. */ +int bcpr_lock_acquire(bcpr_port_lock_t *lk, const bcpr_dev_config_t *dev, + int dry_run); +void bcpr_lock_release(bcpr_port_lock_t *lk); +int bcpr_lock_verify_irq(const char *serial, unsigned expect_irq, + unsigned *got_irq, unsigned *got_io); + +#endif |