svcadm(8)을 검색하려면 섹션에서 8 을 선택하고, 맨 페이지 이름에 svcadm을 입력하고 검색을 누른다.
getmajor(9f)
getmajor(9F) Kernel Functions getmajor(9F)
NAME
getmajor - get major device number
SYNOPSIS
#include <sys/types.h>
#include <sys/mkdev.h>
#include <sys/ddi.h>
major_t getmajor(dev_t dev);
INTERFACE LEVEL
Architecture independent level 1 (DDI/DKI).
PARAMETERS
dev Device number.
DESCRIPTION
The getmajor() function extracts the major number from a device number.
RETURN VALUES
The major number.
CONTEXT
The getmajor() function can be called from user, interrupt, or kernel
context.
EXAMPLES
Example 1 Using getmajor()
The following example shows both the getmajor() and getminor(9F) func‐
tions used in a debug cmn_err(9F) statement to return the major and
minor numbers for the device supported by the driver.
dev_t dev;
#ifdef DEBUG
cmn_err(CE_NOTE,"Driver Started. Major# = %d,
Minor# = %d", getmajor(dev), getminor(dev));
#endif
SEE ALSO
cmn_err(9F), getminor(9F), makedevice(9F)
Writing Device Drivers in Oracle Solaris 11.4
WARNINGS
No validity checking is performed. If dev is invalid, an invalid number
is returned.
Oracle Solaris 11.4 16 Jan 2006 getmajor(9F)