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ddi_get_pid - returns the process ID

#include <sys/types.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>



pid_t ddi_get_pid(void);

illumos DDI specific (illumos DDI). ddi_get_pid() obtains the process ID of the current process. This value can be used to allow only a select process to perform a certain operation. It can also be used to determine whether a device context belongs to the current process. ddi_get_pid() returns the process ID. This routine can be called from user context only. drv_getparm(9F)

Writing Device Drivers

STREAMS Programming Guide