gethostid¶
Synopsis¶
#include <unistd.h>
long gethostid(void);
Status¶
Implemented
Conformance¶
IEEE Std 1003.1-2017
Description¶
The gethostid() function shall retrieve a 32-bit identifier for the current host.
In Phoenix-RTOS the identifier is read from the /etc/hostid file, where it is stored by sethostid(). If the file
doesn’t exist (for example there is no root file system), gethostid() returns 0.
Return value¶
Upon successful completion, gethostid() shall return an identifier for the current host.
Errors¶
No errors are defined.
POSIX deviations¶
No POSIX deviations discovered.